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Tytuł:
The use of generating sets with LNG gas engines in “Shore to Ship” systems
Zastosowanie zespołów prądotwórczych z silnikami gazowymi LNG w systemach „Shore to Ship”
Autorzy:
Tarnapowicz, D.
German-Galkin, S.
Powiązania:
https://bibliotekanauki.pl/articles/1205811.pdf
Data publikacji:
2016
Wydawca:
STE GROUP
Tematy:
Shore To Ship system
LNG generating sets
system „Shore To Ship”
zespoły prądotwórcze LNG-Generator
zespoły prądotwórcze z silnikami gazowymi LNG
Opis:
The main sources of air pollution in ports are ships, on which electrical energy is produced in the autonomous generating sets Diesel-Generator. The most effective way to reduce harmful exhaust emissions from ships is to exclude marine generating sets and provide the shore-side electricity in “Shore to Ship” system. The main problem in the implementation of power supply for ships from land is connected with matching parameters of voltage in onshore network with marine network. Currently, the recommended solution is to supply ships from the onshore electricity network with the use of power electronic converters. This article presents an analysis of the „Shore to Ship” system with the use of generating sets with LNG gas engines. It shows topologies with LNG – Generator sets, environmental benefits of such a solution, advantages and disadvantages.
Głównym źródłem zanieczyszczenia powietrza w portach są statki morskie, na których energie elektryczną wytwarza się w autonomicznych zespołach prądotwórczych Diesel- Generator. Najbardziej skutecznym sposobem ograniczenia szkodliwych emisji spalin przez statki jest wyłączenie okrętowych zespołów prądotwórczych i dostarczenie energii elektrycznej z lądu w systemie „Shore To Ship”. Główny problem realizacji zasilania statków z lądu związany jest z dopasowaniem parametrów napięcia sieci lądowej z siecią okrętową. Obecnie zalecanym rozwiązaniem jest zasilanie z elektroenergetycznej sieci lądowej z wykorzystaniem przekształtników energoelektronicznych. W artykule przeprowadzono analizę systemu „Shore To Ship” z wykorzystaniem zespołów prądotwórczych z silnikami gazowymi LNG. Przedstawiono topologie układów z generatorami LNG, korzyści ekologiczne takiego rozwiązania, zalety i wady.
Źródło:
Management Systems in Production Engineering; 2016, 3 (23); 172-177
2299-0461
Pojawia się w:
Management Systems in Production Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The determination of times of transhipment processes at maritime container terminals
Autorzy:
Bartosiewicz, A.
Kucharski, A.
Powiązania:
https://bibliotekanauki.pl/articles/2211919.pdf
Data publikacji:
2022
Wydawca:
Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
Tematy:
container vessel
transhipment process
container terminal
maritime container transportation
maritime container terminal
ship-to-Shore
rubber-tyred gantr
Baltic Container Terminal
Gdynia
Opis:
Nowadays managers and decision-makers around the world seek every opportunity to lower costs of the ship’s mooring time at seaports. In this article, main operations taking place at maritime container terminals are first disaggregated in several elementary activities. Then the vessel cycle time is analysed while separately investigating the STS (Ship to Shore) crane cycle time, the RTG (Rubber-Tyred Gantry) crane work cycle time and the IMV (Internal Movement Vehicle) transfer time. A triangular distribution describes times of each of the container handling stages while the PERT (Program Evaluation and Review Technique) method is used to estimate the total time for all reloading activities. The paper demonstrates the proposed method effectiveness with data of Baltic Container Terminal (BCT) Gdynia. The use of formulas developed for the calculation of times of individual operations that affect the reloading of a container at maritime container terminals enables an in-depth assessment of the effectiveness of the reloading processes. Thus, the proposed tool gives terminal managers opportunity to track which stage of the container reloading consumes most time and generates biggest costs.
Źródło:
TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2022, 16, 3; 507--513
2083-6473
2083-6481
Pojawia się w:
TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Synchronization of national grid network with the electricity ships network in the "shore to ship" system
Synchronizacja elektroenergetycznej sieci krajowej z elektryczna siecią okrętową w systemie "shore to ship"
Autorzy:
Tarnapowicz, D.
Powiązania:
https://bibliotekanauki.pl/articles/409904.pdf
Data publikacji:
2013
Wydawca:
STE GROUP
Tematy:
shore to ship system
synchronization
phase locked loop PLL
system „shore to ship”
synchronizacja
pętla fazowa PLL
Opis:
‘Shore to ship’ system – ships’ power supply from the local electrical substations – is one of the effective ways to limit the negative impact of the ships lying in ports on the environment. Energy infrastructure of the port installation necessary to provide ships with power supply has to be designed so that different types of ships can use it. The important issue concerning ‘shore to ship’ system is the quality of power supply. This can be achieved via sustaining continuity of power supply while switching from the ships’ electrical network over to the national grid. In this article the author presents the way of synchronizing the national grid with the ships’ electrical network during ship’s lying in port. Such synchronization would allow for uninterruptible work of the ship’s electrical devices.
Jednym ze skutecznych sposobów ograniczenia negatywnego wpływu statków cumujących w portach na środowisko jest zastosowanie systemu „shore to ship” – dostawy energii elektrycznej na statki z lokalnych stacji elektroenergetycznych. Infrastruktura energetyczna instalacji portowej niezbędna do zasilania statków musi być zaprojektowana tak, aby możliwa była obsługa różnych typów statków. Ważnym zagadnieniem przy stosowaniu systemu „shore to ship” jest jakość dostaw energii elektrycznej poprzez miedzy innymi zapewnienie ciągłości zasilania przy przełączaniu z elektrycznego zasilania autonomicznego statku na zasilanie z elektrycznej sieci lądowej. W niniejszym artykule przedstawiono sposób synchronizacji elektroenergetycznej sieci lądowej z siecią okrętową podczas postoju statku w porcie zapewniającą bezprzerwową prace okrętowych urządzeń elektrycznych.
Źródło:
Management Systems in Production Engineering; 2013, 3 (11); 9-13
2299-0461
Pojawia się w:
Management Systems in Production Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Razrabotka matematiceskoj modeli teorii povrezdaemosti korpusov sudov
Development of a Mathematical Model of the Theory of Ship Hull Damage
Autorzy:
Burakovskij, E.
Dmitrovskij, W.
Powiązania:
https://bibliotekanauki.pl/articles/359003.pdf
Data publikacji:
2005
Wydawca:
Akademia Morska w Szczecinie. Wydawnictwo AMSz
Tematy:
OMiUO 2005
damage to ship hull
mathematical model
Poisson stream of loads
Opis:
The paper presents a mathematical model which makes it possible to describe the process of damage to vessel hulls making it explicit in time, which is based on a Poisson stream. It allows one mathematically to forecast volumes of damage of vessel hulls and to evaluate their technical condition on the basis of probability criteria.
Źródło:
Zeszyty Naukowe Akademii Morskiej w Szczecinie; 2005, 5 (77); 143-153
1733-8670
2392-0378
Pojawia się w:
Zeszyty Naukowe Akademii Morskiej w Szczecinie
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Ramps for ro-ro vessels in Baltic Sea
Autorzy:
Paulauskas, V.
Powiązania:
https://bibliotekanauki.pl/articles/360610.pdf
Data publikacji:
2012
Wydawca:
Akademia Morska w Szczecinie. Wydawnictwo AMSz
Tematy:
pontoons
ramps
ro-ro vessels
ro-ro ship-to-shore links pan
Opis:
Ro-ro vessels use shipside and shore ramps as roll-on/roll-off loading facilities. Baltic Sea has not tidal effects and water level did not change very much. In same time water level fluctuations in ports areas make difficulties to establish proper access to shore for ro-ro vessels during loading and unloading operations. Flexibility of ro-ro vessel-to-shore links pan is one of the key elements for optimization of ro-ro operations in ports. Feasibility outline of pontoon ramp potential, calculation methods and practical usage is studded and presented further in the article.
Źródło:
Zeszyty Naukowe Akademii Morskiej w Szczecinie; 2012, 32 (104) z. 2; 148-151
1733-8670
2392-0378
Pojawia się w:
Zeszyty Naukowe Akademii Morskiej w Szczecinie
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Quality of supply guaranteed in systems of shore supply connection of ships mooring in a port
Jakość zasilania gwarantowanego w systemach podłączenia zasilania statków z lądu cumujących w porcie
Autorzy:
Tarnapowicz, D.
Powiązania:
https://bibliotekanauki.pl/articles/1205751.pdf
Data publikacji:
2014
Wydawca:
STE GROUP
Tematy:
shore to ship system
electrical power quality
total harmonic distortion
conversion of electrical energy
system „shore to ship”
jakość energii elektrycznej
współczynnik zawartości harmonicznych
przekształcanie energii elektrycznej
Opis:
Increased sea transport with a constantly growing demand by ships for electric power means higher emission of pollutions generated by ships to the atmosphere. To turn off automatic generator sets which are the main source of air pollution emissions by ships mooring in the port a ship has to be connected to the power land network. Quality of electric power supplied from the land is of a great importance connected with security of the work of naval systems and economical ship functioning. Complicated computer steering systems more and more frequently used on ships are very sensitive to disturbances and require energy supply of a very high quality. In this article basic information about quality of electric power supplied to the ship from the land network and chosen ways of its improvement are presented.
Zwiększony transport morski, przy ciągle rosnącym zapotrzebowaniu przez statki na energię elektryczną oznacza większą emisję zanieczyszczeń generowanych przez statki do atmosfery. W celu wyłączenia autonomicznych zespołów prądotwórczych, które są głównym źródłem emisji zanieczyszczeń powietrza przez statki cumujące w porcie jest podłączenie statku do elektroenergetycznej sieci lądowej. Jakość energii elektrycznej dostarczanej z lądu ma ogromne znaczenie związane z bezpieczeństwem pracy systemów okrętowych i ekonomicznym funkcjonowaniem statku. Stosowane coraz powszechniej na statkach skomplikowane komputerowe systemy sterowania są bardzo wrażliwe na zaburzenia i wymagają zasilania o bardzo wysokiej jakości. W niniejszym artykule przedstawiono podstawowe informacje dotyczące jakości energii elektrycznej dostarczanej na statek z sieci lądowej oraz wybrane sposoby jej poprawy.
Źródło:
Management Systems in Production Engineering; 2014, 4 (16); 179-183
2299-0461
Pojawia się w:
Management Systems in Production Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Przywilej morski w Polsce w okresie międzywojennym na tle porównawczym
Maritime Liens in Poland in the Interwar Period Against a Comparative Background
Autorzy:
Dworas-Kulik, Judyta
Powiązania:
https://bibliotekanauki.pl/articles/22792701.pdf
Data publikacji:
2018-12-31
Wydawca:
Stowarzyszenie Absolwentów i Przyjaciół Wydziału Prawa Katolickiego Uniwersytetu Lubelskiego
Tematy:
zabezpieczenie mienia morskiego
uprzywilejowanie wierzyciela
uprawnienia do statku morskiego
pierwszeństwo w zaspokajaniu roszczeń morskich
wierzytelności uprzywilejowane
protection of maritime property
privilege of the creditor
entitlement to a sea-going ship
priority in satisfying maritime claims
privileged debts
rights on a ship
Opis:
Rozwój transportu morskiego na przeł. XIX i XX w. przyczynił się do międzynarodowej unifikacji prawa morskiego w zakresie przywilejów na statku i hipoteki morskiej. Potrzeba ujednolicenia przepisów wynikała z konieczności realnego zapewnienia wierzycielom zaspokojenia ich roszczeń, bowiem różnorodność przepisów poszczególnych państw, szczególnie ilość przywilejów morskich, która powstała pod rządem różnych systemów prawnych oraz hierarchia ich stosowania ograniczały znaczenie instytucji hipoteki morskiej. Treść przepisów międzynarodowych stała się podstawą do kształtowania polskich przepisów 76 dotyczących wyżej wskazanych instytucji prawa morskiego. Te jednakże powstały dopiero z początkiem lat 60-tych XX w., stąd też bogata literatura przedmiotu dotyczy głównie okresu z przeł. XX i XXI w. Problematyka instytucji przywileju morskiego w okresie dwudziestolecia międzywojennego była dotąd jedynie sygnalizowana w literaturze przedmiotu, dlatego też niniejsza publikacja ma na celu kompleksowe omówienie zagadnienia.
The development of maritime transport at the turn of the 19th and 20th centuries contributed to the international unification of maritime law with regard to shipboard privileges and maritime mortgage. The need to harmonize the regulations resulted from the necessity of real assurance for creditors to satisfy their claims, because the diversity of regulations of individual states, the number of maritime privileges was established under different legal systems and the hierarchy of their application limited the significance of the maritime mortgage institution. The content of international regulations has become the basis for shaping Polish regulations regarding the above-mentioned maritime law institutions. These, however, were created only at the beginning of the 1960s, hence the rich literature of the subject mainly concerns the period from the turn of the 20th and the 21st century. The issue of maritime privilege institutions in the interwar period has so far only been signalled, therefore, this publication aims to provide a comprehensive discussion of the issue.
Źródło:
Biuletyn Stowarzyszenia Absolwentów i Przyjaciół Wydziału Prawa Katolickiego Uniwersytetu Lubelskiego; 2018, 13, 15 (2); 65-76
2719-3128
2719-7336
Pojawia się w:
Biuletyn Stowarzyszenia Absolwentów i Przyjaciół Wydziału Prawa Katolickiego Uniwersytetu Lubelskiego
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Neuroevolutionary approach to COLREGs ship maneuvers
Autorzy:
Łącki, M.
Powiązania:
https://bibliotekanauki.pl/articles/116206.pdf
Data publikacji:
2019
Wydawca:
Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
Tematy:
collision avoidance
colregs
neuroevolutionary approach to colregs
ship handling system
artificial helmsman
Artificial Neural Network (ANN)
evolutionary algorithms
ship manoeuvering
Opis:
The paper describes the usage of neuroevolutionary method in collision avoidance of two power-driven vessels approaching each other regarding COLREGs rules. This may be also be seen as the ship handling system that simulates a learning process of a group of artificial helmsmen - autonomous control units, created with artificial neural networks. The helmsman observes an environment by its input signals and according to assigned CORLEGs rule, he calculates the values of required parameters of maneuvers (propellers rpm and rudder deflection) in a collision avoidance situation. In neuroevolution such units are treated as individuals in population of artificial neural networks, which through environmental sensing and evolutionary algorithms learn to perform given task safely and efficiently. The main task of this project is to evolve a population of helmsmen which is able to effectively implement chosen rule: crossing or overtaking.
Źródło:
TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2019, 13, 4; 745-750
2083-6473
2083-6481
Pojawia się w:
TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Modelling of seakeeping qualities of open-top container carriers in the preliminary design phase
Autorzy:
Cepowski, T.
Powiązania:
https://bibliotekanauki.pl/articles/259333.pdf
Data publikacji:
2011
Wydawca:
Politechnika Gdańska. Wydział Inżynierii Mechanicznej i Okrętownictwa
Tematy:
open-deck container carrier
designing
preliminary design phase
seakeeping qualities
green water entering the deck
green water ingress to holds
vertical accelerations
transverse accelerations
main ship hull dimensions
artificial neural networks
Opis:
In this paper are presented problems of modelling seakeeping qualities of open-top container carriers in the preliminary design phase. Approximations of accelerations and occurrence rate of green water ingress to holds are presented in function of main ship design and wave parameters. The approximations have been elaborated by applying theory of artificial neural networks in the wide range of ship hull dimensions and forms, while ship motion and wave parameters have been limited to real operational conditions described by means of the so called operational scenario. Such approach has made it possible to reach high accuracy of approximation and simple structure of mathematical model simulatneously.
Źródło:
Polish Maritime Research; 2011, 2; 19-27
1233-2585
Pojawia się w:
Polish Maritime Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Minimizing greenhouse gas emissions from ships using a Pareto multi-objective optimization approach
Autorzy:
Domachowski, Zygfryd
Powiązania:
https://bibliotekanauki.pl/articles/1573584.pdf
Data publikacji:
2021
Wydawca:
Politechnika Gdańska. Wydział Inżynierii Mechanicznej i Okrętownictwa
Tematy:
minimizing emissions from ships
Pareto multi-objective optimization
minimizing emissions as preference objective
ship routing optimization
hybrid power to lower emissions
Opis:
To confront climate change, decarbonization strategies must change the global economy. According to statements made as part of the European Green Deal, maritime transport should also become drastically less polluting. As a result, the price of transport must reflect the impact it has on the environment and on health. In such a framework, the purpose of this paper is to suggest a novel method for minimizing emissions from ships, based on so-called Pareto multi-objective optimization. For a given voyage by a ship, the problem is to minimize emissions on the one hand and minimize fuel consumption or passage time on the other. Minimizing emissions is considered as the preferred objective. Therefore, the objective of minimizing fuel consumption or passage time needs to be reformulated as a constraint. Solving such a problem consists of finding most favourable path and speed for the ship and satisfying the optimization criteria. Relatively new systems such as hybrid diesel–electric systems have the potential to offer significant emissions benefits. A hybrid power supply utilizes the maximum efficiency of the direct mechanical drive and the flexibility of a combination of combustion power from the prime mover and stored power from energy storage from an electrical supply, at part load and overload. A new report by the American Bureau of Shipping suggests that maritime transport is likely to meet the International Maritime Organization’s target by 2030, solely by using current technology and operational measures. However, this would not be enough to attain the target of reducing CO2 emissions by 2050 by at least 50% compared to 2008. New technologies and operational methods must be applied.
Źródło:
Polish Maritime Research; 2021, 2; 96-101
1233-2585
Pojawia się w:
Polish Maritime Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Measuring ship collision risk in a dense traffic environment
Autorzy:
Huang, Y.
Van Gelder, P. H. A. J. M.
Powiązania:
https://bibliotekanauki.pl/articles/116331.pdf
Data publikacji:
2019
Wydawca:
Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
Tematy:
collision avoidance
Imminent Collision Risk Assessment (ICRA)
Time to Closest Point of Approach (TCPA)
Distance at Closest Point of Approach (DCPA)
risk measures
dense traffic environment
ship collision rsk
measuring ship collision risk
Opis:
Collision risk measurement is an essential topic for ship collision prevention. Many risk measures, i.e. DCPA/TCPA, etc., decouple the ship traffic into several pairs of ships and then evaluate the risk in each pair. This kind of measurement loses some information of the entire traffic and might include some biases in risk measurement, especially in multiple-ship scenarios. In this article, Imminent Collision Risk Assessment (ICRA) is extended, which formulates collision risk as a ratio of reachable maneuvers leading to a collision and all reachable maneuvers (velocities). Two groups of scenarios have been simulated to show the ICRA is suitable for assessing the collision risk in multiple-ship scenarios. Moreover, two improvements have been introduced: (1) a generalized velocity obstacle algorithm is introduced to collect the maneuvers leading to collisions, which considers ship dynamics; (2) the constraints of forces are considered in the formulation of reachable maneuvers. As a result, the proposed measurement helps one ship assess the risk of approaching obstacles which are difficult to avoid the collision in terms of own-ship’s dynamics and kinetic constraints.
Źródło:
TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2019, 13, 4; 737-744
2083-6473
2083-6481
Pojawia się w:
TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Low to middle vibro-acoustic noise prediction in ship cabin by using plate-cavity coupling model
Autorzy:
Zhou, Z.
Wu, J.
Powiązania:
https://bibliotekanauki.pl/articles/260260.pdf
Data publikacji:
2018
Wydawca:
Politechnika Gdańska. Wydział Inżynierii Mechanicznej i Okrętownictwa
Tematy:
low to middle frequencies
vibration
ship noise
analysis model
rapid calculation method
Opis:
A plate-cavity coupling method based on modal expansion technique in the closed sound cavity was introduced, aiming at ship cabin structural noise. Using this method, a coupled equation was established. The structural vibration acceleration of the target cabin was extracted from a ship vibration response calculation, applied to the model. Then the target cabin noise value was obtained through numerical calculation. The effectiveness and reliability of the method were validated through experiments. The coupled model predicts noise in the cabin does not require fluid finite element model of the cabin air, thus greatly reducing the calculation time compared with the pure finite element method. It was shown that the method is suitable for the calculation of noise in a single ship cabin; the method has a high calculation efficiency. Furthermore, the calculated result is a continuum. On the one hand, it can be conveniently converted to an octave or 1/3 octave according to the specification. On the other hand, the form of the continuum also provides a corresponding response to the subsequent vibration and noise control.
Źródło:
Polish Maritime Research; 2018, S 2; 149-157
1233-2585
Pojawia się w:
Polish Maritime Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
International standardization in the design of “Shore To Ship” - power supply systems of ships in port
Autorzy:
Tarnapowicz, D.
German-Galkin, S.
Powiązania:
https://bibliotekanauki.pl/articles/410120.pdf
Data publikacji:
2018
Wydawca:
STE GROUP
Tematy:
Shore to Ship system
High Voltage Shore Connection
Low Voltage Shore Connection
Opis:
The decisive source of air pollution emissions in ports is the berthed ships. This is primarily caused by the work of ship’s autonomous generator sets. One way of reducing the air pollution emissions in ports is the supply of ships from electricity inland system. The main problem connected with the power connection of ships to the inland network is caused by different values of levels and frequencies of voltages in these networks (in various countries) in relation to different values of levels and frequencies of voltages present in the ship’s network. It is also important that the source power can range from a few hundred kW up to several MW. In order to realize a universal „Shore to Ship” system that allows the connection of ships to the electricity inland network, the international standardization is necessary. This article presents the current recommendations, standards and regulations for the design of „Shore to Ship” systems.
Źródło:
Management Systems in Production Engineering; 2018, 1 (26); 9-13
2299-0461
Pojawia się w:
Management Systems in Production Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Impact of Nitrogen Oxides Emission Reduction Methods on Specific Fuel Consumption of Marine Diesel Engines
Autorzy:
Herdzik, Jerzy
Powiązania:
https://bibliotekanauki.pl/articles/2069919.pdf
Data publikacji:
2021
Wydawca:
Politechnika Koszalińska. Wydawnictwo Uczelniane
Tematy:
ship operation
medium speed diesel engine
slow speed diesel engine
emission to atmosphere
nitrogen oxides emission reduction
specific fuel consumption
Opis:
The paper has been presented the methods of nitrogen oxides emission reduction to fulfill the Tier 2 and Tier 3 requirements of the Annex VI of MARPOL Convention. It has been shown the development of marine two-stroke diesel engines and the change of nitrogen oxides emission from 1960 to 2000 and later up to 2020 after the implementation of NOx emission reduction methods. Specific fuel consumption before 2000, and as a prediction and given data in the manufacturers manuals for Tier 3 engines up to 2020, and as only a prediction up to 2030 has been analyzed and elaborated. Impact of nitrogen oxides reduction methods on the specific fuel consumption of the marine diesel engine has been evaluated. Additional emission of some gases to the atmosphere due to the implementation of reduction methods has been determined. EGR and SCR systems have got a lot of imperfections: required to install additional reduction systems (investment cost, required volume in the engine room), need maintenance and operation costs, produced wastes during treatment process. The estimated additional cost is about 0.8 USD/MWh of produced energy, taking into account only the cost of excessive used fuel. The whole increased cost may reach the level two-three times more due to cleaning systems investment costs, their operational cost and waste disposal. It has been the one of the reasons of worsening the transport effectiveness and competitiveness.
Źródło:
Rocznik Ochrona Środowiska; 2021, 23; 279--289
1506-218X
Pojawia się w:
Rocznik Ochrona Środowiska
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Human Capital. Theory and Evidence in Light of Socio-Economic Structuralism
Autorzy:
Tittenbrun, Jacek
Powiązania:
https://bibliotekanauki.pl/articles/1179292.pdf
Data publikacji:
2017
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
human capital
human capital and economic growth
human capital theory and policy
legal vs. economic ownership
managerial ownership
measurement of human capital
owner-ship of labour power
ownership
private returns of human capital
social returns to human capital
Opis:
In the era of mass currency pertaining to the Bourdesian concepts of cultural and social capital, the latter given in somewhat different renderings by a plethora of other authors, such as Putnam, Coleman and so on it is easy to forget what the true 'founding father', or 'mother', if you like of the entire 'capital' family was. Furthermore, the notion concerned, owing to its association to the economic, and in particular managerial practice and corporate governance, could be said to possess even greater importance than the two varieties of the supreme category mentioned above, all their -real or ostensible charm, apparently so attractive to the practitioners of the humanities and social sciences notwithstanding. However, the patience of the reader is kindly requested; the concept concerned will be tackled head-on in Part II of the present book while in the brief Part I the underlying theoretical and conceptual framework that shall be deployed in that analysis needs to be illuminated. And you know what? As opposed to some other authors who in similar circumstances tell the reader that she can, if she wants, skip this (purportedly hard to swallow and boring) theoretical considerations and skip to the core of the matter, which in this book is placed in Part II; as distinct thus to the majority of writers, the reader is not advised by the present author to skip the theoretical section, since absent these considerations, she is bound to have some difficulties in understanding or understanding in full the material in the remaining parts of the current work. Finally, being frank by default, so to speak, the undersigned must confess that there are certain more personal motivations behind the aformentioned recommendation, too; after all, parents worldwide commonly boast about their offspring and precisely such a relationship obtains between the current intellectual producer and the principal theoretical core of what is being put forward below.
Źródło:
World Scientific News; 2017, 79; 1-89
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł

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