Results 71 to 80 of about 3,217 (172)

Review of Frost-free and Defrost Methods for Air-source Heat Pump Systems

Zhileng xuebao, 2019
Air-source heat pumps have been widely used for room heating and air conditioning because of their stable performance and easy installation. The greatest performance limitation is the frosting and defrosting problem of the outdoor heat exchanger during ...
Shen Jiubing, Li Ziqiang, Xing Ziwen, Yu Yue, Ge Meicai   +4 more
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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
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Effect of Fin Coating on Dust Removal via a Frosting–Defrosting Process

Zhileng xuebao, 2020
To avoid deterioration in the performance of air conditioner heat exchangers after prolonged operation, the dust deposited on the fin surfaces should be removed in a timely manner.
Yang Yifei, Zhuang Dawei, Ding Guoliang, Zhan Feilong, Han Weizhe, Jia Zhengyu, Shi Wensi, Qi Hanyun   +7 more
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Defrosting the Digital Seminar

, 2009
Casey Bergman suggested it, Jean-Marc Schwartz organised it, so now I'm going to do it: a seminar on our Defrosting the Digital Library paper as part of the Bioinformatics and Functional Genomics seminar series. Here is the abstract of the talk: After centuries with little change, scientific libraries have recently experienced massive upheaval.
openaire   +1 more source

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
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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
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Defrosting the Digital Slideshow

, 2009
Slides from the seminar today, for those that asked for them. Thanks to everyone who came, we had a good turn out, much better than expected.
openaire   +1 more source

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
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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
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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
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