Zobrazeno 1 - 10
of 36
pro vyhledávání: '"Omer Comakli"'
Publikováno v:
The Scientific World Journal, Vol 2013 (2013)
The aim of this study is to experimentally investigate the effect of the coiled wire insertions on dynamic instabilities and to compare the results with the smooth tube for forced convection boiling. The experiments were conducted in a circular tube,
Externí odkaz:
https://doaj.org/article/9589b3d70f294efd934fcb8627c0c29f
Autor:
Semih Erzincanli, Ilker Firat, Omer Comakli, Orhan Yildirim, Gokhan Omeroglu, Mehmet Kaya, Sendogan Karagoz
Publikováno v:
Thermal Science. 26:1771-1783
This experimental study deals with the heat transfer and friction effects of sinusoidal part turbulators for single-phase flows occurring in a circular shaped pipe. Turbulators with three different radius values are placed in the pipe to make the flo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e2ae05c094627848ff15ee83476fb186
https://doi.org/10.2298/tsci210206183k
https://doi.org/10.2298/tsci210206183k
Publikováno v:
Solar Energy. 218:35-47
In this study, a hybrid photovoltaic-thermal heat pump system, supported by a four-pass economizer and a PV/T panel, has been installed to pasteurize milk to be processed into cheese. The surface temperature, which increases with the solar radiation
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d5206113b601a7b9fbb3f5f784bb3ddf
https://doi.org/10.1016/j.solener.2021.02.014
https://doi.org/10.1016/j.solener.2021.02.014
Publikováno v:
Heat and Mass Transfer. 55:281-291
In this study, an existing laboratory heat pump is converted to a refrigeration unit in order to evaluate efficiency, power consumption, pressure and temperature variations and optimal charge amount of the system in new mode using refrigerant R-407C.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::21dcf4e0184a612b7654d230001ae26b
https://doi.org/10.1007/s00231-018-2412-5
https://doi.org/10.1007/s00231-018-2412-5
Publikováno v:
Energy and Buildings. 168:272-283
Heat pumps and refrigerators are two systems with different usage, but same working principles. Generally, HPs work in steady state condition and specific thermodynamic cycle, but refrigerator or freezer apparatus have variable cycle and work in the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a2812a9be5ef59cc9ae57dc4045e8c19
https://doi.org/10.1016/j.enbuild.2018.03.037
https://doi.org/10.1016/j.enbuild.2018.03.037
Publikováno v:
Heat and Mass Transfer. 53:2769-2784
In this experimental and numerical study an attempt to enhance the heat transfer rate by cylindrical blade that form turbulence flow inside the exchanger pipe is carried out. The effects of the blade geometry are also examined to investigate heat tra
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::79a8919a4261baa3c8d4436d89e0775a
https://doi.org/10.1007/s00231-017-2021-8
https://doi.org/10.1007/s00231-017-2021-8
Publikováno v:
International Journal of Refrigeration. 74:505-516
Lubricating oils play several key roles in compressors, such as lubrication of the parts exposed to friction, prevention of gas leakage at the compression chamber, and cooling of the pieces heated by friction. Oil viscosity and possibility of mixing
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5020e1c5cf0e17126e3aa99d2821cb30
https://doi.org/10.1016/j.ijrefrig.2016.11.017
https://doi.org/10.1016/j.ijrefrig.2016.11.017
Publikováno v:
Iranian Journal of Science and Technology, Transactions of Mechanical Engineering. 40:325-335
This paper describes an experimental study on the heat pump performance and compressor suction pressure, in order to find out the optimal refrigerant charge amount for different refrigerants. Independent of the choice of refrigerant, environmental an
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9809f6f202b91382baa6c1887cf5f324
https://doi.org/10.1007/s40997-016-0028-2
https://doi.org/10.1007/s40997-016-0028-2
Publikováno v:
Journal of Energy Engineering. 143
This article investigates how hydrofluorocarbon (HFC) refrigerant affects compressor operating conditions and system performance using experimental testing under different conditions. In a ...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9fd1ccca721690edf57cbb4b8c0327e9
https://doi.org/10.1061/(asce)ey.1943-7897.0000377
https://doi.org/10.1061/(asce)ey.1943-7897.0000377
Publikováno v:
Energy. 58:210-219
In this study, we designed a multifunctional heat pump system using just one scroll compressor and which can be run in four different modes, namely air to air, air to water, water to water and water to air, in order to make an experimental energetic
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d67bdd455500b8acbdf872a7bc61d0c7
https://doi.org/10.1016/j.energy.2013.06.014
https://doi.org/10.1016/j.energy.2013.06.014