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Causes of hot and cold water system failure [PDF]
MATEC Web of Conferences, 2019 The paper presents causes of the failures of hot and cold water systems. Most often they occur in the case of installations built with metal pipes and result from the use of improper materials and the adoption of wrong solutions.
Szaflik Władysław
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Numerical simulation of factors influencing the efficiency of a horizontal gas filter
You-qi chuyun, 2021 The performance of the filter elements configured at the gas station and the user entrance changes dynamically with the service conditions. If the filter element is not cleaned and replaced in time, the gas passing efficiency will be affected seriously ...
Peng XU +4 more
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Assessment of solar radiation distribution in indoor spaces for local thermal comfort evaluation [PDF]
E3S Web of ConferencesShortwave solar radiation significantly influences local thermal comfort in indoor environments, particularly in spaces with large glazed areas. Although building performance simulation tools such as EnergyPlus accurately predict solar gains at the room ...
Grygierek Krzysztof +3 more
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Archives of Environmental Protection, 2015 Na potrzeby określania emisji zanieczyszczeń pyłowych do atmosfery z przemysłowych instalacji technologicznych często wykonywane są manualne pomiary rozkładu prędkości gazu w kanałach instalacji gazów odlotowych przy pomocy układów z różnicowo ...
Szulikowski Jerzy, Kateusz Przemysław
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Progress of research on leakage diffusion of gas pipelines
You-qi chuyun, 2022 Gas pipelines in China have gradually entered the stage of frequent accidents, and gas leakage will increase the safety risk of pipeline operation, even resulting in personnel casualties.
Peng XU +4 more
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Journal of Civil Engineering and Management, 1998 Kaip žinia, pagrindinis šildymo, vėdinimo ir oro kondicionavimo sistemų—mikroklimato kondicionavimo sistemų (MKS)—specialistų uždavinys yra reikiamų mikroklimato parametrų užtikrinimas patalpos darbo zonoje minimaliomis materialinėmis ir energetinėmis ...
Natalija Parfentjeva +2 more
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Thermal Comfort and Energy Use with Local Heaters
Energies, 2020 This paper presents the investigation of a local heating system consisting of three heating mats incorporated within a sedentary workplace. Thermal comfort and individual power settings for the heating mats were studied in experiments with 41 human ...
Jan Kaczmarczyk, Joanna Ferdyn-Grygierek
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The Energy-Saving Potential of Chilled Ceilings Combined with Personalized Ventilation
Energies, 2021 The energy consumption of purely convective (i.e., various air volume (VAV) mixing ventilation) and combined radiant and convective HVAC systems (chilled ceiling combined with mixing ventilation—CCMV or personalized ventilation—CCPV) was investigated ...
Aleksandra Lipczynska +2 more
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Energies, 2022 Generating energy from renewable sources is becoming more and more popular and widespread. Air source heat pumps are one of the most popular types of heat pumps due to the general availability of a heat source and relatively low investment costs. The aim
Piotr Ciuman +2 more
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A sustainable analysis of a detached house heating system throughout its life cycle. A case study
International Journal of Strategic Property Management, 2007 Approximately 40% of final energy is consumed in buildings both in Lithuania and the European Union. In cold climate countries major part of the consumed energy is heat.
Violeta Sasnaskaitė +2 more
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