No. 6 (2024): Instal 6 (463) 2024

Articles

• Study of the Impact of Grass Contamination on the Efficiency of Photovoltaic Panels

  Tomasz Rybak, Adam Mołczan, Sandra Jarmuła, Mateusz Lichoń, Sara Majewska, Marcin Michalski (Author)

  7-11

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• Efficiency of domestic hot water production in a district heating substation cooperating with the solar collector installation

  Kazimierz Żarski (Author)

  12-15

  • PDF (Polish)

• Review and analytical comparison of equations estimating the values of the Darcy friction factor

  Robert Mańko (Author)

  16-23

  • PDF (Polish)

• Leakage from closed pressure relief valve caused by surface imperfections – analytical model and measurement

  Grzegorz Romanik, Janusz Rogula, Elżbieta Romanik (Author)

  25-29

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• Numerical deformability analysis of composite panels used for construction of ventilation and air-conditioning ducts

  Krzysztof Kegler, Robert Cichowicz, Marcin Kamiński (Author)

  30-36

  • PDF (Polish)

• Analysis of filtration processes on mineral beds used in filters of natural swimming ponds

  Wojciech Walczak, Artur Serafin, Tadeusz Siwiec (Author)

  37-45

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• Method for determining the expected efficiency of water production

  Janusz Rak, Aleksandra Stec (Author)

  46-48

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• Assessment of groundwater quality in terms of organic matter content at water intakes in Środa Wielkopolska

  Izabela Zimoch, Aleksandra Górska, Łukasz Weber (Author)

  49-55

  • PDF (Polish)