Zobrazeno 1 - 8
of 8
pro vyhledávání: '"Fujun Ju"'
Autor:
Fujun Ju, Qianlei Hou, Xiaowei Fan, Jiafeng Wu, Huifan Zheng, Qinglei Liu, Lihao Hou, Wenbo Liu
Publikováno v:
Case Studies in Thermal Engineering, Vol 60, Iss , Pp 104675- (2024)
The effects of starting mode and outlet temperature of heat sink (OTHS) on the starting performances of direct-heated heat pump water heater using natural blend were investigated experimentally. The results indicated that both starting mode and OTHS
Externí odkaz:
https://doaj.org/article/6898d9e4e27046be92eb2a70ada896c3
Autor:
Fujun Ju, Zhenzhen Mu, Hongtao Liu, Xiaowei Fan, Qianlei Hou, Lihao Hou, Qinglei Liu, Wenbo Liu, Huifan Zheng
Publikováno v:
Case Studies in Thermal Engineering, Vol 53, Iss , Pp 103819- (2024)
To solve the problem of poor heat transfer effect in the subcooled region of integrated condenser, a combined condenser for instant heat pump water heater (IHPWH) was proposed and designed based on the condenser design model, aiming at obtaining an o
Externí odkaz:
https://doaj.org/article/ba6d3d33a0e1491bb7ccf4f6fff46a3d
Autor:
Fujun Ju, Zhenzhen Mu, Guozhu Li, Lihao Hou, Xiaowei Fan, Hongtao Liu, Qinglei Liu, Wenbo Liu
Publikováno v:
Energies, Vol 16, Iss 17, p 6145 (2023)
The influence of flow step ratio (FSR) on the startup characteristics of instant heat pump water heaters (IHPWHs) with natural mixture M (R744/R290 (12/88)) under nominal conditions was studied experimentally to verify the feasibility of a new quick
Externí odkaz:
https://doaj.org/article/93458c41c04c418192990df3f02e9291
Publikováno v:
Case Studies in Thermal Engineering, Vol 36, Iss , Pp 102203- (2022)
R290 refrigerant offers good environmental protection and thermodynamic characteristics. The feasibility of R290 replacing R134a was summarized through theoretical analysis and experimental tests in this paper. A coiled ice storage experimental test
Externí odkaz:
https://doaj.org/article/ff276b098c5a4cf1884cee692594575a
Publikováno v:
International Journal of Thermal Sciences. 132:1-13
The natural eco-friendly mixture of R744/R290 was investigated to replace R22 in a fully instrumented water-water heat pump test rig. The test results show that the R744/R290 mixture with optimum concentration of 12%/88% (Mopt) is the suitable workin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4466063658929e75c3f6411e175a8a96
https://doi.org/10.1016/j.ijthermalsci.2018.05.043
https://doi.org/10.1016/j.ijthermalsci.2018.05.043
Publikováno v:
Energy and Buildings. 169:148-156
The feasibility of applying natural eco-friendly blend of R744 (CO2) with R290 (propane) in a heat pump water heater (HPWH) system with large heat sink temperature lift was presented. The experiment and simulation investigations on the performances o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::264d3745f7b240982421cf958cdbf640
https://doi.org/10.1016/j.enbuild.2018.03.063
https://doi.org/10.1016/j.enbuild.2018.03.063
Publikováno v:
Applied Thermal Engineering. 123:1345-1355
The eco-friendly zeotropic mixtures of R1233zd(E) with four hydrocarbons were investigated to replace the traditional refrigerants (R22 and R134a) in heat pump water heaters. Under the nominal working condition, the performances of heat pump were ana
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::006338e78f4cba16ef2c50f58e7d0c96
https://doi.org/10.1016/j.applthermaleng.2017.05.137
https://doi.org/10.1016/j.applthermaleng.2017.05.137
Publikováno v:
Volume 8B: Heat Transfer and Thermal Engineering.
In this paper, the eco-friendly zeotropic mixture, R744/R1234yf was chosen as the alternative refrigerant in the instant heat pump water heater system. The cycle performance of heat pump was analyzed theoretically under the nominal working condition
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5715f37c695c5aacdf752c216e24ddb3
https://doi.org/10.1115/imece2015-53800
https://doi.org/10.1115/imece2015-53800