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    Wyświetlanie 1-8 z 8
    Tytuł:
    The influence of the cuboid float’s parameters on the stability of a floating building
    Autorzy:
    Karczewski, Artur
    Piątek, Łukasz
    Powiązania:
    https://bibliotekanauki.pl/articles/1585042.pdf
    Data publikacji:
    2020
    Wydawca:
    Politechnika Gdańska. Wydział Inżynierii Mechanicznej i Okrętownictwa
    Tematy:
    floating buildings
    floating houses
    houseboats
    stability
    floating body
    Opis:
    Usually, the concept of sufficient stability of a floating structure is connected with the capacity to keep a small heel angle despite the moment of heeling. The variable responsible for these characteristics is the initial metacentric height, which is the relation between the hydrostatic features of the pontoon and the mass properties of the entire object. This article answers the questions of how heavy the floating system should be, what the minimum acceptable draft is, and whether it is beneficial to use internal fixed ballast. To cover various technologies, a theoretical model of a cuboid float with average density representing different construction materials was analysed. The results indicate that the common practice of using heavy and deep floating systems is not always reasonable. In the case of floating buildings, which, unlike ships, can be exploited only under small heel angles, the shape and width of the submerged part of the object may influence the stability more than the weight or draft.
    Źródło:
    Polish Maritime Research; 2020, 3; 16-21
    1233-2585
    Pojawia się w:
    Polish Maritime Research
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Lightweight prefabricated floating buildings for shallow inland waters. Design and construction of the floating hotel apartment in Poland
    Autorzy:
    Ostrowska-Wawryniuk, Karolina
    Piątek, Łukasz
    Powiązania:
    https://bibliotekanauki.pl/articles/292876.pdf
    Data publikacji:
    2020
    Wydawca:
    Instytut Technologiczno-Przyrodniczy
    Tematy:
    Building Information Modeling
    floating building
    hotel apartments
    integrated project delivery
    stability simulation
    waterfront
    Opis:
    Since the beginning of the 21st century floating buildings have been growing in popularity in Poland. According to market research and quantitative studies, the majority of operative Polish floating buildings serve for commercial purposes, such as short-term rentals, vacation houses and floating marinas. Simultaneously, despite the increasing demand, the development of floating buildings in Poland is limited by the inconsistent legislation, government policy and, most importantly, natural conditions of Polish inland waters. The most attractive sites for floating architecture are the semi-natural lakeshores and riverbanks. At the same time, low water levels and poor maintenance of many Polish basins require special architectural and engineering solutions. The article presents our experience with meeting the market’s demand for small cost-effective floating commercial buildings despite the local shortcomings of inland waters on the example of the floating apartment built in 2019 on the Roś Lake in Pisz, Poland. The presented building was intended as a water-based extension of the existing hotel on land. It was designed as a “modern barn” with all-glazed gable wall allowing for a spectacular view to the lake. With a 50 sqm footprint, the one-story house with a mezzanine has a small draft of 33 cm and meets the stability criteria defined for inland waters. The presented case study shows that integrating the naval architecture theory, Building Information Modeling simulation along with cutting-edge construction techniques such as Scottsdale Construction System (SCS) and polyurethane spray insulation, can bring significant progress into the development of the floating buildings market in Poland.
    Źródło:
    Journal of Water and Land Development; 2020, 44; 118-125
    1429-7426
    2083-4535
    Pojawia się w:
    Journal of Water and Land Development
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Inteligentny system zabezpieczeń w budynkach mieszkalnych
    Intelligent security system in residential buildings
    Autorzy:
    Luft, Mirosław
    Pietruszczak, Daniel
    Piątek, Łukasz
    Powiązania:
    https://bibliotekanauki.pl/articles/317206.pdf
    Data publikacji:
    2019
    Wydawca:
    Instytut Naukowo-Wydawniczy "SPATIUM"
    Tematy:
    system zabezpieczeń
    monitoring
    budynek mieszkalny
    security system
    residential building
    Opis:
    Celem artykułu jest przedstawienie systemu zabezpieczeń połączonych razem z system inteligentnego zarządzania domem na przykładzie struktury sieci Fibaro. Została zaprezentowana problematyka dotycząca projektowania, doboru i montażu urządzeń systemów zabezpieczeń. Na podstawie zamieszczonych danych możliwe jest również porównanie działania stosowanych systemów w celu analizy skuteczności poszczególnych zabezpieczeń.
    The paper presents the security system connected to the intelligent home management system on the example of the Fibaro network structure. Issues related to the design, selection and installation of security system devices were presented. On the basis of the data provided, it is also possible to compare the operation of the systems used to analyze the effectiveness of individual protections.
    Źródło:
    Autobusy : technika, eksploatacja, systemy transportowe; 2019, 20, 12; 161-169
    1509-5878
    2450-7725
    Pojawia się w:
    Autobusy : technika, eksploatacja, systemy transportowe
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Floating buildings in the hotel, catering and water tourism industry in Poland – Business environment survey
    Autorzy:
    Piątek, Łukasz
    Wycisk, Aleksandra A.
    Parzych, Dariusz
    Modrzejewska, Katarzyna
    Powiązania:
    https://bibliotekanauki.pl/articles/293197.pdf
    Data publikacji:
    2020
    Wydawca:
    Instytut Technologiczno-Przyrodniczy
    Tematy:
    catering industry
    commercial buildings
    floating buildings
    floating architecture
    hotel industry
    water tourism industry
    Opis:
    The paper presents results from social research on the Polish business representatives potentially interested in using the floating buildings. The main purposes of the study were to assess the level of knowledge about floating buildings and diagnose stimulants and inhibitors of their development in the hotel, catering, and water tourism industry. Combining the quantitative and the qualitative methodology, research was conducted using an on-line survey (CAWI) and Focused Group Interviews (FGI). Both involved a non-probabilistic, purposive sampling to reach a specific subgroup of the industry: owners or employees of catering, hotel or water tourism companies having or considering having a floating building. The group included both new and long-standing companies using facilities on water or with direct and indirect access to the water. The study identified stimulating and inhibitory factors broken down into internal (context-independent) and external (context-dependent) conditions. Results show that in Poland floating commercial buildings are a niche topic but also a developable one. Although 71% of the respondents notice difficulties resulting from the insufficient infrastructure and 66.5% of them indicate the lack of legal regulations, they also see the potential of floating buildings: depending on the industry, from 90 to 95% respondents find them “definitely attractive” or “rather attractive”. The most common reason for rejecting floating development is the lack of attractive moorages in the area (43.5% answers).
    Źródło:
    Journal of Water and Land Development; 2020, 45; 100-106
    1429-7426
    2083-4535
    Pojawia się w:
    Journal of Water and Land Development
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Restrictions on religious practices in selected European countries during the COVID-19 pandemic: A legal-sociological study from Poland’s experiences
    Autorzy:
    Skoczylas, Łukasz
    Piątek, Wojciech
    Olszanowski, Jan
    Golędzinowski, Filip
    Powiązania:
    https://bibliotekanauki.pl/articles/28408770.pdf
    Data publikacji:
    2023
    Wydawca:
    Uniwersytet im. Adama Mickiewicza w Poznaniu
    Tematy:
    Covid-19
    coronavirus
    pandemic restrictions
    religious freedom
    religious practices
    sociology of law
    sociology of religion
    Opis:
    The aim of this paper is to present legal restrictions related to religious ceremonies during the Covid-19 pandemic, which are not currently in force in Poland but are being applied in selected European countries. The study examines the possible extent of their acceptance by believers in Poland, a country with persistently high levels of religious observance. It transpires that negative evaluations prevail in the case of the following restrictions: advanced registration for participation in religious services, the possibility of only vaccinated persons participating in services, and singing being prohibited. On the other hand, a more positive view was taken of designating specific places that can be occupied in the place of worship, and the requirement for all attendees to wear a mask (including priests and leaders of religious practices). The research revealed a general tendency for those who participate more frequently in religious practices to view restrictions more negatively.
    Źródło:
    Society Register; 2023, 7, 1; 35-52
    2544-5502
    Pojawia się w:
    Society Register
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Analiza wybranych aspektów jakości energii elektrycznej w sieci niskiego napięcia ze znaczącym udziałem generacji rozproszonej na terenie klastra Wirtualna Zielona Elektrownia Ochotnica
    Analysis of selected aspects of power quality in a low-voltage electricity network with a significant share of distributed generation in Virtual Green Ochotnica Power Plant cluster
    Autorzy:
    Topolski, Łukasz
    Schab, Wojciech
    Firlit, Andrzej
    Piątek, Krzysztof
    Powiązania:
    https://bibliotekanauki.pl/articles/950124.pdf
    Data publikacji:
    2019
    Wydawca:
    Politechnika Gdańska. Wydział Elektrotechniki i Automatyki
    Tematy:
    mikroinstalacje jednofazowe
    asymetria napięć
    asymetria prądów
    wzrost napięcia
    prosument
    single-phase PV microinstallations
    voltage unbalance
    current unbalance
    voltage swells
    Opis:
    W artykule przedstawiono wpływ 1-fazowych mikroinstalacji fotowoltaicznych na wybrane parametry jakości energii elektrycznej, w pewnej sieci niskiego napięcia, z udziałem mikroinstalacji wynoszącym 48%, zlokalizowanej na terenie klastra Wirtualna Zielona Elektrownia Ochotnica.
    The article presents the impact of 2,08 kW single-phase PV microinstallations on selected power quality parameters, such as voltage swells, current and voltage unbalance and voltage fluctuations expressed as Pst indicator, in a certain low-voltage electricity network with the share of prosumers of 48 %, located within the cluster Virtual Green Ochotnica Power Plant in Poland. The article also presents power generation profiles for power station MV/LV and prosumers and explains the reasons of voltage swells and unbalance.
    Źródło:
    Zeszyty Naukowe Wydziału Elektrotechniki i Automatyki Politechniki Gdańskiej; 2019, 67; 83-86
    1425-5766
    2353-1290
    Pojawia się w:
    Zeszyty Naukowe Wydziału Elektrotechniki i Automatyki Politechniki Gdańskiej
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-8 z 8

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