Results 71 to 80 of about 3,360 (149)

Experimental Study on Characteristics of Spiral Tube Heat Storage Tank for CASHP

Zhileng xuebao, 2017
The performance of a spiral-tube heat storage tank added to a traditional cascade air source heat pump was experimentally investigated. The water temperature of different measuring points and the refrigerant temperature at the inlet and outlet of the ...
Qu Minglu, Fan Yanan, Li Tianrui, Wang Tan   +3 more
doaj  

Study on Loss Coefficient of Nominal Heating Capacity Model for Air-source Heat Pump

Zhileng xuebao, 2018
To evaluate an air source heat pump unit’s operation performance in the frosting-defrosting process efficiently and to explore its operational performance under frosting conditions, the loss coefficient of the nominal heating capacity is proposed in this
Wang Wei, Cui Yiming, Sun Yuying, Wu Xu, Liang Shimin   +4 more
doaj  

Research Progress on Frost Formation Mechanism of Air-source Heat Pump and Its Defrosting/Anti-frosting Technology

Zhileng xuebao, 2018
Through the promotion policy of energy saving and emission reduction in China, space heating has been gradually transformed from the traditional small coal-fired boiler to a clean heating mode.
Zhang Yi, Zhang Guanmin, Zhang Lili, Ma Xiaoxu, Xu Pan, Tian Maocheng   +5 more
doaj  

Influence of Fan Delayed Running on Temperature Fluctuation of Cold Storage after Liquid Refrigerant Defrosting Operation

Zhileng xuebao, 2017
In order to solve the problem of the probable wet compression and temperature fluctuation of cold storage after liquid refrigerant defrosting operation, the method of fan delayed running is proposed.
Feng Hai, Zang Runqing, Sun Zhili
doaj  

Study on Defrosting Control Technology of Air Cooled Refrigerator

Zhileng xuebao, 2013
A kind of automatic defrosting control technology, named time-temperature difference method, was developed, which can indirectly identify the change of refrigerating capacity of refrigerator. Based on the compressor running time, degree of attenuation of
Tang Xiaoliang, Wang Tiejun, Yang Fan, Jiang Bin, Wang Zheng   +4 more
doaj  

Energy consumption of defrosting processin no-frost refrigerators

Journal of Thermal Engineering, 2018
Refrigerators have high energy consumption because they consume energy throughout the day, and they are used in all residences and in most offices. Designing more efficient models and, thus, decreasing the energy consumption of refrigerators have become ...
D. B. Özkan, F. Ünal
doaj  

Field Test Study on the Interactions Between "Cold Wet Island Effect" and Frosting-Defrosting Phenomenon for Air Source Heat Pump Array

Zhileng xuebao
With the expansion of air source heat pump (ASHP) heating systems, ASHP arrays have become the main arrangement for medium to large-scale heating projects.
LIANG Shimin, WANG Zhe, GAO Xuefeng, YAN Yueru, WANG Gang, HU Songtao, WANG Hongwei   +6 more
doaj  

Investigation of the Frosting Performance and Improvement of the Defrosting Method for an Air-cooler under Low Temperature Condition

Zhileng xuebao, 2007
A theoretical analysis was carried out and a mathematical model was proposed for air - cooler frosting performance. The comparison of the calculated thickness Of the frost layer shows good agreement with the experimental data. The average difference is 8.
刘恩海, 南晓红, 何媛
doaj  

Rapid Defrosting Control Strategy for Non-Stop Reverse-Cycle Based on Multicomponent Coordination

Zhileng xuebao
Conventional reverse-cycle defrosting technology exhibits disadvantages such as low defrosting efficiency， poor thermal comfort， and significantly reduced compressor lifespan due to frequent compressor start-stop cycles. To address these challenges， this
Xiong Shuo Chen Kai Zhou Changji Zeng Jing
doaj  

Protocol to design, fabricate, and structurally evaluate an integrated freezer in a tubular ice machine. [PDF]

STAR Protoc
Nguyen NH, Nguyen LN.
europepmc   +1 more source