Informacja

Drogi użytkowniku, aplikacja do prawidłowego działania wymaga obsługi JavaScript. Proszę włącz obsługę JavaScript w Twojej przeglądarce.

English (EN)·Polski (PL)·Yкраїнський (UK)
Przejdź do strony domowej biblioteki Centralna Biblioteka Wojskowa Link otwiera się w nowym oknie Logo biblioteki Prolib Integro - strona głównaCentralna Biblioteka Wojskowa

Wyszukujesz frazę "towers" wg kryterium: Wszystkie pola

  Lista filtrów
Wyrównaj
Wyświetlanie 1-15 z 73
Tytuł:
Badanie wpływu impregnacji Vinoflexem MP-400 na właściwości techniczne drewna wystroju rzeźbiarskiego wież pałacu w Wilanowie
INVESTIGATIONS OF EFFECTS OF ’ VINOFLEX MP-400” ON TECHNICAL PROPERTIES OF THE IMPREGNATED WOODEN CARVINGS IN TOWERS OF WILANÓW PALACE
Autorzy:
Ważny, Jerzy
Powiązania:
https://bibliotekanauki.pl/articles/536895.pdf
Data publikacji:
1970
Wydawca:
Narodowy Instytut Dziedzictwa
Tematy:
Pałac w Wilanowie
konserwacja rzeźb z Wilanowa
niszczenie drewnianych wież
Vinoflex MP-400
daedaleaquercina
kołatek dębowy
nasiąkliwość drewna
Opis:
Investigations were carried out of technical properties possessed by wood carvings forming the parts of adornments in towers of Royal Palace at Wilanów. The wood material of these carvings has been seriously destroyed as result of weather action (s.c. “w ea th e ring”) and also owing to development of three species of fungi, finally due to damages caused by insects which all the above factors considerably deteriorated their technical properties. Already the saturation of wood from which the carvtings were made with synthetic resin “Vinoflex MP-400” with a simultaneous application of negative pressure apparently improved its technical properties. Highly satisfactory results have been obtained for wood material damaged by weathering in superficial layers as w e ll as for that showing the medium degree of destruction by fungi. However, the carvings showing more serious damages, although a considerable degree of improvement as to their technical properties has been observed, differed substantially as to the lev e l compared with that of values characteristic for unaffected wood. In result of saturation with “Vinoflex MP-400” an essential reduction o f wood permeability and hygroscopicity has been achieved but both the improvement of its hardness and heightening of crushing strength was accompanied by an increase of specific weight. In several samples the above properties were nearing those characteristic for unaffected wood or even better.
Źródło:
Ochrona Zabytków; 1970, 2; 83-88
0029-8247
Pojawia się w:
Ochrona Zabytków
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Późnogotyckie hełmy wież wrocławskich i problem odbudowy hełmów wież katedry
THE LATE-GOTIC SPIRES ON THE TOWERS OF WROCŁAW HISTORIC BUILDINGS AND THE PROBLEM OF THEIR REBUILDING IN THE CATHEDRAL
Autorzy:
Małachowicz, Edmund
Powiązania:
https://bibliotekanauki.pl/articles/536627.pdf
Data publikacji:
1974
Wydawca:
Narodowy Instytut Dziedzictwa
Tematy:
hełmy wież wrocławskich
rekonstrukcja hełmów wież
wieża katedry wrocławskiej
kościół św. Wojciecha we Wrocławiu
rysunki Schendla
hełm przy kościele św. Macieja we Wrocławiu
konstrukcja hełmu gotyckiego
Opis:
The skyline of Wroclaw’s historic centre in which the tower spires played a dominating role has su ffe r ed considerable losses as a result of great battle that was fougth here in spring of 1945. From among a total of nineteen spires shooting prior to 1945 only three medieval spires fu lly survived and the two others preserved in parts. After the World War II was preserved only one spire, namely that on the tower of the Holy Cross Collegiate Church. The restoration of the Old Town panorama although running slowly is being carried out very carefully and systematically. As one of its most important steps is to be considered the rebuilding of spires crowning the towers of the Wroclaw Cathedral. Tending to its completion the restoration of façades requires that also this architectural element be solved. The scarcely available illustrative materials did not until now allow to prepare a satisfactory version of design for reconstruction of its Gothic spire, whereas that later, i.e. coming from the Renaissance period, had never been taken into consideration at all. As the unique and at the same time most important illustrative source presenting the spire on the Cathedral’s northern tower can be handled the panoramic v iew of the town of Wroclaw shown in the „Chronicle” by Hartmann Schedel that was printed in 1493. However, the right interpretation of the above illustration made requirable a series of more comprehensive studies with which was covered an entire group of medieval spires of the Wroclaw towers. In the mid-fourteen century the erection of the most representative buildings of that town was nearly completed. During the early years of that century were erected the spired towers of Dominican Church and of City Hall. The erection of the remaining towers lasted throughout the entire fourteenth century and in some instances prolonged up to the eighties of the fifteenth century. In that particular case of Cathedral Church it has finally been completed in the second half of the 16th century and in addition already in Renaissance forms. Within his present study the author, basing on illu strative sources, data coming from written records and from investigations of relics and traces preserved in situ, has reconstructed the silhouettes of the seven late-Gothic spires, namely those on towers of St. Albert’s, St. Magdalene, St. Elizabeth, St. James’s, St. Matthew’s, of City Hall and of St. John’s Cathedral. This allowed to consider the drawing by Schedel more realistically and to utilize it as a fully reliable historic source. The spires crowning the Wroclaw towers represented a few kinds of pyramidal shapes characteristically situated on the tower terrace surrounded by a stone parapet. These structures having enormous heights, in some instances amounting to 25 and even to 60 m e tres, formed the final stage of the late Gothic architectural features clearly pointing to predominance of form over the then available constructional and material possibilities. During their lifetimes, oscillating between this of 47 and 124 years all they, except l'or that in Holy Cross Church, suffered destruction as a consequence of loosening of their joints and deterioration of material. In light of the present study the reconstructed silhouette of the Cathedral spire erected in 1416 had the shape of a square-based pyramid rising above the tower terrace surrounded by a stone parapet. The dimensions of the spire base corresponded to those of the tower’s interior. The heights of spires varied within a range from 26 (Holy Cross Church) to 59 metres (St. Elizabeth) counting from the level of terrace up to the sphere supporting the cross. The sloping angle of the spire sides, amounting to 82—86°, that is usually observed in the other surveyed Gothic spires of the Wroclaw towers in the case under discussion determined the height of 39 to 40 metres. The only doubt may arise as to the height at which was situated the upper floor gallery and thus as to the size of the latter. Of secondary importance seem to be the details of both gallery and crowning as it is well known that the gallery was decorated with eight gilded balls while the top ended with a gilded sphere and a cross. The previously planned restoration of the destructed in 1759 spires of Wroclaw Cathedral had as its sole objective the rebuilding of Gothic shapes and such plans were continued until the end of the nineteenth century. The designs presented by architect J. Ebers, in 1905, and by E. von Rechenberg, in 1907, did not gain an approval and in 1911 that of II. Hartung was adopted for execution. However, already in the course of its realization it has been partly altered. All the above designs were based on illustration in Schedel’s „Chronicle”, but all they interpreted it in different ways and let be said here — in general, quite unsatisfactorily. At present, in addition to reconstruction of historical forms, it is suggested to shape the spires in modern forms or to leave the towers without spires and with their crowning formed of terraces and parapets only. The reconstruction of the medieval architectural forms is suggested by both possibilities to recover them and the changes in architecture of neo-Gothic façades that have been introduced in the nineteenth and early in the twentieth century. However, with a Gothic spire was covered only the northern tower and at present a pair of spires is required. Thus the building of two spires would be something more than a pure reconstruction. It would be some kind of continuation of medieval idea whose realization has been broken by the style changes. It would not be the first undertaking of that kind in Europe and it seems that several views expressed here are speaking in favour of its starting.
Źródło:
Ochrona Zabytków; 1974, 4; 268-284
0029-8247
Pojawia się w:
Ochrona Zabytków
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Realizacje konserwatorskie przy ruinach zamków i strażnic w katowickiej części Jury Krakowsko-Częstochowskiej
WORK ON CONSERVATION OF CASTLES AND WATCH-TOWERS IN KATOWICE DISTRICT OF THE CRACOW—CZĘSTOCHOWA JURA MOUNTAINS
Autorzy:
Kudła, Adam
Powiązania:
https://bibliotekanauki.pl/articles/536136.pdf
Data publikacji:
1977
Wydawca:
Narodowy Instytut Dziedzictwa
Tematy:
Ogrodzieniec
typy warowni
system ścianowy
system zatokowy
fortyfikacje jurajskie
zamek w Ogrodzieńcu
Opis:
The historical outline o f Cracow—Częstochowa upland is followed by a description o f the types o f the castles in that region and their history which ended with the Swedish invasion o f Poland in the 17th century. The work on conservation o f the ruins o f the said castles was taken up after the conclusion o f the Second World War in 1945. However, the proceedings involved were not connected then with architectonic research. It was but the comprehensive work on preservation o f the ruins o f Ogrodzieniec Castle that has pointed to the correct direction o f conservation o f the castles in the Cracow—Częstochowa upland. The author deals with the scope o f that work approached from the viewpoint o f organization o f conservation proceedings. The ruins o f Ogrodzieniec Castle were made open to the public in 1973. It was then that the problem arose o f maintaining that historical monument in due condition. Hence, the need for its manager who would ensure to it a systematic and adequate protection.
Źródło:
Ochrona Zabytków; 1977, 1-2; 28-30
0029-8247
Pojawia się w:
Ochrona Zabytków
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Uwagi na marginesie zagadnienia wież drewnianych w rejonie północno-wschodniego Bałtyku
Sidenotes on the question of the wooden towers in the Jnorth-ea3t region of the Baltic
Autorzy:
Barnycz-Gupieniec, Romana
Powiązania:
https://bibliotekanauki.pl/articles/941771.pdf
Data publikacji:
1983
Wydawca:
Uniwersytet Łódzki. Wydawnictwo Uniwersytetu Łódzkiego
Opis:
The problem of wooden towers belongs to the more combined questions than it seems, particulary when it's considered against a broad comparative background. In the late 12th century began to appear little "conoidal" strongholds, which are regarded as the prototypes of the castles with the dwelling towers by some scholars or as some reduction of the larger constructions by the others. The towers performed the dwelling and defensive function. Their distant patterns can be recovered in the West-European constructions dated back as early as to the end of the 10th century. Recent excavations (Siedląeków) threw a little more light upon the questions of the so called knights' strongholds both in formal and functional aspects, and the new studies supported the supposition that defensive and dwelling towers were located also within the ramparts along side the ground-floor dwelling and husbandry constructions (Kaszowo, Raciąż, Chmielno). Thus the functional character of the towers extends and they can be regarded as the last defence objects which usually played a role of the watching posts. The material concerning the towers is to be divided into two groups: 1. towers survived until nowadays or readable while excavating, 2, information about the towers derived from the wrlsten and iconographic sources as well as from the toponomastic names. In the north-east region of the Baltic the towers occured in number, along the important water routes, especially along those leading from the Finnish Bay inside Russia.The towers from this region can be cinsidered as the examples of the earliest constructions of this kind. That type of construction is know also from Finland, Estonia and Sweden and dates back to the 11th or 12th century at least. The towers standing along the Swedish water routes controlled and blocked the fords. The former investigations provided the ascertainment that the towers were built in the laft constructions, in three or more floors with the dwelling room. In a case of necessity they were used as the pi.sons. The problem of the wooden or stone towers is still an open question and one may suggest that the further investigations will bring new determinations.
Źródło:
Acta Universitatis Lodziensis. Folia Archaeologica; 1983, 3
0208-6034
2449-8300
Pojawia się w:
Acta Universitatis Lodziensis. Folia Archaeologica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Towers of measurable functions
Autorzy:
Hirschorn, James
Powiązania:
https://bibliotekanauki.pl/articles/1205065.pdf
Data publikacji:
2000
Wydawca:
Polska Akademia Nauk. Instytut Matematyczny PAN
Opis:
We formulate variants of the cardinals f, p and t in terms of families of measurable functions, in order to examine the effect upon these cardinals of adding one random real.
Źródło:
Fundamenta Mathematicae; 2000, 164, 2; 165-192
0016-2736
Pojawia się w:
Fundamenta Mathematicae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
"Mój kraj to szczyt gotyckich wież". Romantyczne portrety katedr w epistolografii Zygmunta Krasińskiego.
“My country is the top of the gothics towers". Romantic Views of Cathedrals in Zygmunt Krasiňski’s Epistolography
Autorzy:
Łuczkowski, Tomasz
Powiązania:
https://bibliotekanauki.pl/articles/51763352.pdf
Data publikacji:
2001
Wydawca:
Uniwersytet Łódzki. Wydawnictwo Uniwersytetu Łódzkiego
Opis:
Sights of gothic cathedrals in Zygmunt Krasiński’s letters are proves of his great and deep fascination of medieval times. Following the examples of Goethe, Chateaubriand, and Friedrich he defines beauty of gothics churches. Such conact with a monumental architecture seems to be a pretext to estetic and philosophical reflections. Not only did he touch a matter of light in order to show the organic style of architecture, but also emphazised the importance of this case in creating a special style. View of the church remains have got also some kind of a metaforic meaning fог the times that passed by and a symbol of previous generations. It makes us think about the significance of our life.
Źródło:
Acta Universitatis Lodziensis. Folia Litteraria Polonica; 2001, 2; 47-58
1505-9057
2353-1908
Pojawia się w:
Acta Universitatis Lodziensis. Folia Litteraria Polonica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Wieże telegrafu optycznego w krajobrazie Francji
Optical telegraph towers in the French landscape
Autorzy:
Herkt-Knapp, D.
Powiązania:
https://bibliotekanauki.pl/articles/1186085.pdf
Data publikacji:
2004
Wydawca:
Uniwersytet Przyrodniczy we Wrocławiu
Tematy:
telegraf optyczny
wieża
krajobraz
Francja
optical telegraph
tower
landscape
French
Opis:
Long distance information transfer was known already since ancient times. People were always trying to improve the transfer going farther and faster. Some methods were based on smoke or light signals, other methods used horses or couriers carrying post for special fee. Considerable improvement in an information transfer came in 18th century when Claude Chappe invented and patented the optical telegraph system. It was a visual communication network based on towers equipped with so called semaphores. Very quickly this invention gained an acknowledgement of the French government. In the beginning of 19th century, 29 largest towns gained permanent telegraphic link to Paris. Around 50 years later, the optical telegraph system of C. Chappe was replaced by technically more advanced and easier to use electrical telegraph. Monumental towers of optical telegraph lost their prestigious place in the landscape with the time. Technical and technological development only helped their destruction. Somebody might not know that the optical telegraph system of Chappe brothers was the first well organized communication network.
Źródło:
Architektura Krajobrazu; 2004, 1-2; 30-35
1641-5159
Pojawia się w:
Architektura Krajobrazu
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Obliczanie pierwszej częstości drgań własnych wież kratowych o zbieżnych liniowo krawężnikach
Calculation of first natural frequency of lattice towers with a constant sloping legs
Autorzy:
Jaworski, J.
Zadrozny, M.
Powiązania:
https://bibliotekanauki.pl/articles/40908.pdf
Data publikacji:
2008
Wydawca:
Szkoła Główna Gospodarstwa Wiejskiego w Warszawie. Wydawnictwo Szkoły Głównej Gospodarstwa Wiejskiego w Warszawie
Tematy:
drgania wlasne
moment bezwladnosci
pierwsza czestosc drgan
wieze pretowe
inertia moment
proper vibration
proper vibration frequency
rod tower
Źródło:
Acta Scientiarum Polonorum. Architectura; 2008, 07, 1
1644-0633
Pojawia się w:
Acta Scientiarum Polonorum. Architectura
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Precyzyjne pomiary drgań budowli przy użyciu naziemnego radaru interferometrycznego
Precise structure vibration measurement using a groundbased interferometric radar
Autorzy:
Gocał, J.
Bałut, A.
Kocierz, R.
Kuras, P.
Ortyl, Ł.
Owerko, T.
Rączka, A.
Strach, M.
Szpyra, R.
Powiązania:
https://bibliotekanauki.pl/articles/130884.pdf
Data publikacji:
2009
Wydawca:
Stowarzyszenie Geodetów Polskich
Tematy:
interferometria radarowa
monitoring drgań
wibracje konstrukcji
wieże
kominy
mosty
wiadukty
radar interferometry
vibration monitoring
construction vibrations
towers
chimney
bridges
viaducts
Opis:
Monitoring długotrwałych przemieszczeń i odkształceń obiektów inżynierskich jest jednym z podstawowych zagadnień geodezji inżynieryjnej. Jednakże obiekty o wydłużonym kształcie są dodatkowo narażone na występowanie ruchów szybkozmiennych, powodowanych czynnikami atmosferycznymi, sejsmicznymi i wynikającymi z eksploatacji. Szczególnie podatne na drgania są kominy, maszty i wieże oraz przęsła i pylony mostów, zwłaszcza wiszących. Specyfika pomiaru wibracji polega na zapewnieniu odpowiedniej częstotliwości rejestracji danych, dlatego klasyczne techniki geodezyjne, wykorzystywane do pomiaru powolnych ruchów, nie znajdują zastosowania w pomiarze drgań. Ponadto, badanie kinematyki obiektu powinno cechować się wysoką dokładnością oraz możliwością uzyskania obrazu zjawiska dla całego obiektu. Rozwój nowych technologii pozwala coraz lepiej prowadzić badania dynamiki konstrukcji inżynierskich. Duże możliwości posiada naziemny radar interferometryczny, innowacyjne urządzenie, działające w oparciu o technikę skokowej modulacji częstotliwości fali oraz interferometrii mikrofalowej. Dokładność pomiaru przemieszczeń względnych przy użyciu radaru osiąga niespotykane dotychczas wartości. Dodatkowo wysoka częstotliwość rejestracji oraz duży zasięg pomiaru pozwalają zaliczyć to urządzenie do najlepszych narzędzi monitorujących drgania. Artykuł przedstawia wyniki pierwszych w Polsce pomiarów drgań, wykonanych przy użyciu naziemnego radaru interferometrycznego IBIS, będącego własnością Wydziału Geodezji Górniczej i Inżynierii Środowiska AGH w Krakowie. Uzyskane rezultaty potwierdzają efektywność omawianej technologii w monitoringu drgań. Testy wykonano na kilku obiektach mostowych oraz wieżowych.
Monitoring of long-term displacements and deformations of engineering objects is one of the main problems of engineering surveying. However, objects of a slender shape are additionally exposed to fast-variable movements, caused by atmospheric, seismic and operation factors. Particularly susceptible to vibration are chimneys, masts and towers, and also spans and pylons of bridges, especially of suspension bridges. The specificity of vibration measurement is to ensure the appropriate frequency of recording data. Hence, classical surveying techniques used to measure slow movements are not applied to vibration measurement. In addition, the kinematics tests should be performed with a high accuracy and should enable obtaining the whole object deformation image. The development of new technologies makes it possible to better investigate engineering structures dynamics. It is the ground-based interferometric radar, an innovative device, operating on the basis of the stepped-frequency continuous wave modulation technique and the microwave interferometry that has a great potential as regards that investigation. The measurement accuracy of relative movements with the use of the radar amounts to unprecedented values. Moreover, high frequency of recording and a large range of measurement allow classifying this device among the best vibration monitoring tools. The article presents results of the first vibration measurements made in Poland using the IBIS ground-based interferometric radar, owned by the Faculty of Mining Surveying and Environmental Engineering of AGH University of Science and Technology. The effectiveness of the discussed technology in vibration monitoring is confirmed by the obtained results. Tests were performed on several bridge and tower structures.
Źródło:
Archiwum Fotogrametrii, Kartografii i Teledetekcji; 2009, 19; 123-142
2083-2214
2391-9477
Pojawia się w:
Archiwum Fotogrametrii, Kartografii i Teledetekcji
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Wieże i punkty widokowe w krajobrazie ziemi kłodzkiej
Towers and viewing points in Kłodzko Land landscape
Autorzy:
Staffa, M.
Latocha, A.
Powiązania:
https://bibliotekanauki.pl/articles/1186960.pdf
Data publikacji:
2009
Wydawca:
Uniwersytet Przyrodniczy we Wrocławiu
Tematy:
wieża
punkt widokowy
krajobraz
Ziemia Kłodzka
tower
viewing point
landscape
Kłodzko Land
Opis:
Increasing belief that former forms of touristic management, with simultaneous interest of self-governments and social organizations, in development of various form of tourism based on searching for new "touristic products" which can be sold with a profit caused a surprisingly high interest in viewing towers so characteristic for the Sudeten. The apogee of their creation was on the brink of the 19th and 20th century. Only a few of them which were erected at that time were preserved until now in good technical shape and serve the initial purpose. Most of them were devastated or completely disappeared from the landscape. Others lost their viewing value because of the growth of trees surrounding them. Many self-governments from the Sudeten region are presently planning (most commonly basing on expected European Union resources) rebuilding or more often building viewing towers in their areas. The problem increases, especially if we take into consideration the fact that each tower is a far-reaching intrusion on the landscape, regularly already protected by law or deserving such protection. Even an open-worked, light tower becomes a landscape dominant mark, due to its location at altitude. To control the situation and direct such tendencies an attempt was made, in co-operation with self-governments, to define the scale of the problem and pointing out possible locations of towers and viewing points in the area of Kłodzko Land with use of the objects which already exist, both managed and those which were not exploited up to now.
Źródło:
Architektura Krajobrazu; 2009, 1; 33-43
1641-5159
Pojawia się w:
Architektura Krajobrazu
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Numeryczne modelowanie przebiegu zniszczenia konstrukcji jako narzędzie wspomagające projektowanie wież stalowych
Numerical modeling of structure collapseas an aiding tool for steel tower design
Autorzy:
Silicki, A.
Szwczyk, P.
Powiązania:
https://bibliotekanauki.pl/articles/154817.pdf
Data publikacji:
2010
Wydawca:
Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:
wieże stalowe
modelowanie mechanizmu zniszczenia konstrukcji
wymiarowanie konstrukcji
steel towers
modeling of structure collapse
structure sizing
Opis:
W pracy poruszono problem zastosowania numerycznego modelowania przebiegu zniszczenia konstrukcji jako narzędzia wspomagającego proces projektowania wież stalowych. Do analizy mechanizmu zniszczenia konstrukcji zaproponowano algorytm opierający się na przyrostowej metodzie analizy zagadnień nieliniowych. Zastosowanie zaproponowanego algorytmu, jako narzędzia pomocniczego przy wymiarowaniu przekrojów prętów zaprezentowano na przykładzie analizy wieży widokowej o wysokości 40 m.
The paper deals with the problem of numerical modeling of global structural failure and its application as a computer aided tool to design of steel towers. The first paragraph contains introduction and general remarks about steel tower design. Standard analysis of such structures requires building numerical 3D truss model. In simplified calculations a cantilever model with changing stiffness parameters is feasible. In the second paragraph there are introduced the standard design code procedure and semi-probabilistic method for safety analysis. The description of the proposed algorithm for structural failure modeling is given in the third paragraph. For that purpose the incremental method is used to select a failure mode [2, 4]. The assumptions used for modeling are illustrated in Figs. 1 - 3. The failure of a single structure element is defined as the exceeding stress limit or the critical Euler force - in case of compressed elements. The global criterion of structural failure is singularity of the stiffness matrix or exceeding the assumed limit displacement value. The proposed algorithm performance is shown on the example of analysis of a 40 m high steel tower (Fig. 4). Five variants of the structure are taken into account. In each variant the layout of profiles in structure is different and for each one the failure mode was determined. Two comparison criteria of the variants were assumed - the structural weight and load increase to the level resulting in the first element failure or collapse of the whole tower. The analysis results are illustrated in Figs. 5 and 6.
Źródło:
Pomiary Automatyka Kontrola; 2010, R. 56, nr 7, 7; 824-827
0032-4140
Pojawia się w:
Pomiary Automatyka Kontrola
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Analiza wież ciśnień typu grzybek i stanu zasobu na Kujawach i Pomorzu. Cechy pokrewne i dystynktywne
Analysis and state of resourses of the "mushroom" water towers in Kuyavia and Pomerania province. Related and distinctive features
Autorzy:
Brzeziński, P.
Powiązania:
https://bibliotekanauki.pl/articles/369373.pdf
Data publikacji:
2011
Wydawca:
Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
Tematy:
wieża ciśnień
infrastruktura kolejowa
zbiornik wodny Intze
water tower
railway infrastructure
Intze water tank
Opis:
Wieża typu "grzybek" jest najliczniej występującą kolejową wieżą ciśnień w województwie kujawsko-pomorskim. Budowane na podstawie projektu typowego, wieże te występowały na całym terenie byłego zaboru pruskiego. Dziś można je spotkać od Pomorza przez Wielkopolskę po teren Śląska. Przegląd tych wyjątkowych obiektów jest próbą wyłonienia obrazu przestrzennej unifikacji oraz procesu, w ramach którego niezwykle silna i jednoznaczna typologia podlega adaptacji lokalnej.
"Mushroom" tower is the most frequent railway water tower in the Kuyavia and Pomerania region. These towers were built using a typical project. The appearance of that type of water tower may be confirmed on the whole territory of the former Prussian region. An overview of these unique objects is an attempt to identify the image of spatial unification and show the process of local adaptation of strong, clear typology.
Źródło:
Przestrzeń i Forma; 2011, 15; 191-202
1895-3247
2391-7725
Pojawia się w:
Przestrzeń i Forma
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Optimization of guide vane positions in bended inflow of mechanical draft wet-cooling tower
Autorzy:
Klimanek, A.
Musioł, T.
Stechman, A.
Powiązania:
https://bibliotekanauki.pl/articles/240167.pdf
Data publikacji:
2011
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
chłodnia wody obiegowej
optymalizacja
projekt mechaniczny
przepływ wielofazowy
mechanical draft wet-cooling towers
multiphase flow
optimization
Opis:
Optimization of vane positions in a mechanical draft wet-cooling tower is presented in this paper. The originally installed, equally spaced, vanes produced non-uniform air velocity distribution reducing the performance of the fill of the cooling tower. A 2D CFD model of the tower has been created. The model has then been used to determine the objective function in the optimization procedure. The selected objective function was the standard deviation of the velocity of air entering the fill. The Goal Driven Optimization tools of the ANSYS Workbench 2.0 have been used for the optimization and the ANSYS Fluent 13.0 as a flow solver. The optimization allowed reduction of the objective function and producing a more uniform air flow.
Źródło:
Archives of Thermodynamics; 2011, 32, 3; 263-272
1231-0956
2083-6023
Pojawia się w:
Archives of Thermodynamics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Wpływ tężni na wartości średnioroczne stężenia kationów w kompleksie sorpcyjnym i roztworze glebowym czarnych ziem w Inowrocławiu
Influence of graduation towers on average annual cations content in sorption complex and soil solution of black earths in the Town of Inowroclaw
Autorzy:
Krzyżaniak-Sitarz, M.
Powiązania:
https://bibliotekanauki.pl/articles/126411.pdf
Data publikacji:
2011
Wydawca:
Towarzystwo Chemii i Inżynierii Ekologicznej
Tematy:
czarne ziemie
właściwości fizykochemiczne
antropopresja
tężnie
black earth
physical and chemical properties
anthropopressure
graduation tower
Opis:
Badaniami objęto gleby zlokalizowane w Parku Zdrojowym w Inowrocławiu, będące pod stałym wpływem tężni. Stałe oddziaływanie aerozoli unoszących się z tężni może na tyle zmodyfikować skład chemiczny gleb, że przestaną one w niedalekiej przyszłości funkcjonować jako czarne ziemie, a staną się glebami słono-sodowymi czy glebami antropogennymi słonymi. Ten specyficzny czynnik antropogenny powoduje wzrost stężenia kationów wapniowych i sodowych, zmieniając tym samym istotnie skład kompleksu sorpcyjnego analizowanych gleb. Analizy zawartości poszczególnych kationów w kompleksie sorpcyjnym wykazały wyraźną dominację jonów wapnia (91,42÷333,35 mmol(+)·kg–1), który w kilku profilach uzyskał często dwu- lub nawet trzykrotnie większe wartości stężenia niż w kujawskich czarnych ziemiach niepoddanych antropopresji. Kolejne miejsce w obsadzie kompleksu sorpcyjnego zajmował sód (16,28÷73,46 mmol(+)·kg–1). Badane gleby przyjmowały w większości poziomów wartości pośrednie stężenia sodu wymiennego, to znaczy charakteryzowały się kilkakrotnie większym stężeniem kationów sodowych w stosunku do niezasolonych czarnych ziem, jednak mniejszymi wartościami stężenia Na+ niż w glebach poddanych silnej antropopresji przez przemysł sodowy. Pozostałe badane pierwiastki (Mg2+, K+) charakteryzowały się małym stężeniem zarówno w kompleksie sorpcyjnym, jak i roztworze glebowym i nie wykazywały cech akumulacji w którymkolwiek z poziomów genetycznych.
The research concerns soils located in the Inowrocław Spa Park, under continuous influence of graduation towers. Such a continuous impact of aerosols may modify chemical composition of soils, and may lead to transformation of black earths into salt-affected anthropogenic soils in the nearest future. This specific anthropogenic factor effected the increase of calcium and sodium cations content, significantly changing the composition of soil sorption complex of the analyzed soils. The results of separate cations content in sorption complex showed the domination of calcium cations (91.42÷333.35 mmol(+)·kg–1), which in several soil profiles attained a two or even three times higher value than in Cuiavian black earths under no anthropogenic influence. Sodium came second in content series of cations (16.28÷73.46 mmol(+)·kg–1). In most of the horizons of the investigated soils the content of these exchangeable cations was on average level. It means that the content of sodium cations was several times higher than in the black earths not affected by salt, yet lower than in soils under the influence of sodium industry. The rest of the analyzed cations (Mg2+, K+) were characterized by low concentration both in soil sorption complex and in the soil solution and did not show accumulation characteristics in any genetic horizons.
Źródło:
Proceedings of ECOpole; 2011, 5, 1; 263-268
1898-617X
2084-4557
Pojawia się w:
Proceedings of ECOpole
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 73

Ta witryna wykorzystuje pliki cookies do przechowywania informacji na Twoim komputerze. Pliki cookies stosujemy w celu świadczenia usług na najwyższym poziomie, w tym w sposób dostosowany do indywidualnych potrzeb. Korzystanie z witryny bez zmiany ustawień dotyczących cookies oznacza, że będą one zamieszczane w Twoim komputerze. W każdym momencie możesz dokonać zmiany ustawień dotyczących cookies