Zobrazeno 1 - 10
of 24
pro vyhledávání: '"Zhaogang Qi"'
Publikováno v:
e-Prime: Advances in Electrical Engineering, Electronics and Energy, Vol 3, Iss , Pp 100118- (2023)
From the perspective of the engineering application, the influence of the oil charge ratio on the cooling performance of the electric vehicle CO2 air conditioning system is experimentally studied in this paper. An online test device for oil circulati
Externí odkaz:
https://doaj.org/article/f726662df11f408e9e94d9074b5987aa
Autor:
Xiangyang Zheng, Zhaogang Qi
Publikováno v:
Applied Thermal Engineering. 139:61-75
Offset strip fin is widely used to enhance heat exchanger’s performance. The state-of-the-art of experimental and numerical researches of offset strip fins and its applications were reviewed in the present paper. The characteristics of heat transfe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::beb8e44589282b47eff8be819117d556
https://doi.org/10.1016/j.applthermaleng.2018.04.101
https://doi.org/10.1016/j.applthermaleng.2018.04.101
Autor:
Ning Kong, Zhaogang Qi
Publikováno v:
Applied Thermal Engineering. 139:352-355
Calculating two-phase speed of sound is important to 1-D ejector modelling using wet working fluid. In this study, influences of six correlations on ejector modelling results were investigated. Ejector model based on mass, momentum and energy conserv
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f5bd144af36ad8770f83cb3019d069a5
https://doi.org/10.1016/j.applthermaleng.2018.04.120
https://doi.org/10.1016/j.applthermaleng.2018.04.120
Publikováno v:
Energy and Buildings. 226:110382
This paper aims to further explore the frosting and defrosting performance of coatings applied to microchannel heat exchangers. A visualization cycle experiment of hydrophilic, desiccant and hydrophobic coated microchannel heat exchangers was perform
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::62f1c95b0964a094348dfff21fa539bb
https://doi.org/10.1016/j.enbuild.2020.110382
https://doi.org/10.1016/j.enbuild.2020.110382
Autor:
Zhaogang Qi
Publikováno v:
International Journal of Refrigeration. 58:35-40
In this paper, the performance improvement potentials of R1234yf mobile air conditioning (MAC) system under various operation conditions were studied based on thermodynamic cycle analysis. The effects of superheat at evaporator outlet, subcooling at
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::64851384b71627b99000cad8fea0ee72
https://doi.org/10.1016/j.ijrefrig.2015.03.019
https://doi.org/10.1016/j.ijrefrig.2015.03.019
Autor:
Zhaogang Qi
Publikováno v:
International Journal of Refrigeration. 55:30-36
In heat exchanger design and simulation, a precise refrigerant pressure drop prediction is difficult because of limited correlation's accuracy. In the present paper, several quick and accurate empirical correlations for refrigerant pressure drop of t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::85e39ec6ea6910bf310b837ca480c849
https://doi.org/10.1016/j.ijrefrig.2015.03.009
https://doi.org/10.1016/j.ijrefrig.2015.03.009
Autor:
Zhaogang Qi
Publikováno v:
Renewable and Sustainable Energy Reviews. 38:754-764
There is a rising interest in electric vehicle׳s climate control system including cooling and heating. Electric vehicles (EVs, including hybrid electric vehicles and full electric vehicles) have inadequate waste heat to warm up the cabin and the cli
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::40e97227447ffc20870970c110aa7090
https://doi.org/10.1016/j.rser.2014.07.038
https://doi.org/10.1016/j.rser.2014.07.038
Autor:
Zhaogang Qi
Publikováno v:
Renewable and Sustainable Energy Reviews. 28:1-10
This paper presents the recent advances in water retention and drainage performance on air side of heat exchangers under wet and dehumidifying conditions. The experimental and numerical research results are addressed. The water retention and drainage
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fe754269a2793704eeb8a73a69010140
https://doi.org/10.1016/j.rser.2013.07.014
https://doi.org/10.1016/j.rser.2013.07.014
Autor:
Zhaogang Qi
Publikováno v:
Applied Thermal Engineering. 53:124-130
The widely used evaporators with two different type were experimentally studied in psychrometric calorimeter room using HFO-1234yf as working fluids. The evaporators types are laminated plate and microchannel parallel flow (PF) type. The experimental
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7d0ad3ea48b61e5ff8bbc578a3d68a70
https://doi.org/10.1016/j.applthermaleng.2013.01.019
https://doi.org/10.1016/j.applthermaleng.2013.01.019
Publikováno v:
Experimental Thermal and Fluid Science. 37:98-103
Corrosion on heat exchangers, which have been used long-term, could deteriorate the performance of air conditioning system. In the present study, standard salt spray tests (48 and 96 h) were carried out on evaporators with aluminum (Al) fins and copp
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f8be21a09945ec99b83324a6081b9094
https://doi.org/10.1016/j.expthermflusci.2011.10.008
https://doi.org/10.1016/j.expthermflusci.2011.10.008