Zobrazeno 1 - 10
of 52
pro vyhledávání: '"Jan Wajs"'
Publikováno v:
Energies, Vol 14, Iss 7, p 1846 (2021)
The jet impingement phenomenon plays an important role among the heat transfer intensification methods. Very often its application and analyses refer to simple flat surfaces, while there is a lack of information in the literature for cases addressing
Externí odkaz:
https://doaj.org/article/e6d6697314004d90904b517104758d8e
Publikováno v:
Energies, Vol 14, Iss 1, p 105 (2020)
One of the methods of heat transfer enhancement is utilization of the turbulent impinging jets, which were recently applied, for example, in the heat exchangers. Their positive impact on the heat transfer performance was proven, but many questions re
Externí odkaz:
https://doaj.org/article/de2ed6b64f444ba38c26e1c07876c7fb
Publikováno v:
Energies, Vol 12, Iss 21, p 4097 (2019)
A photovoltaic (PV) roof tile serves both as a roofing material and as an electricity-producing surface. The main aim of the present study was to increase the overall system efficiency of PV tiles by using heat recovery. The chosen strategy was two-f
Externí odkaz:
https://doaj.org/article/995605ca8ecd4dabbc017a715dffeae8
Publikováno v:
Energies, Vol 12, Iss 17, p 3276 (2019)
In this paper a patented design of a heat exchanger with minijets, with a cylindrical construction is presented. It is followed by the results of its systematic experimental investigations in the single-phase convection heat transfer mode. Based on t
Externí odkaz:
https://doaj.org/article/8707270ae97a421da6de47200d0cace0
Publikováno v:
Processes, Vol 9, Iss 2178, p 2178 (2021)
Processes; Volume 9; Issue 12; Pages: 2178
Processes; Volume 9; Issue 12; Pages: 2178
The necessity of economical and rational use of natural energy sources caused a rapid development of research on the possibilities of using non-conventional energy resources. Taking the above into account, a new technological process of thermochemica
Publikováno v:
International Journal of Molecular Sciences
International Journal of Molecular Sciences, Vol 22, Iss 9201, p 9201 (2021)
International Journal of Molecular Sciences, Vol 22, Iss 9201, p 9201 (2021)
Providing optimal operating conditions is one of the major challenges for effective heating or cooling systems. Moreover, proper adjustment of the heat transfer fluid is also important from the viewpoint of the correct operation, maintenance, and cos
Autor:
Dariusz Mikielewicz, Jan Wajs
Publikováno v:
Energy. 182:460-470
Traditional heat pumps are a very attractive pro-ecological solutions for a number of applications, including providing of heating or heat recovery from industrial processes. The application range of heat pumps could be greatly enlarged when the oper
Publikováno v:
Energy Conversion and Management. 258:115518
Publikováno v:
Energy. 238:121683
Considering the development of energy sector, distributed small-scale power generation, e.g., gas micro-CHP, is attracting considerable interest. In such installations, the heat exchanger is one of the key components possessing a significant influenc
Publikováno v:
Energy. 157:853-861
In this paper, the original compact shell-and-tube heat exchanger with circular minichannels of in-house design and manufacturing is presented as the condenser for the domestic micro heat and power plant investigations as well as other future technic