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Experimental and theoretical investigation on defrosting characteristics of a multi-split air source heat pump with vapor injection

Energy and Buildings, 2020
During the defrosting process of an air source heat pump with vapor injection (ASHPVI), the defrosting duration lasts rather long due to shortage of heat sources for defrost.
Wen-Zhe Wei, L. Ni, Wei Wang, Yang Yao
semanticscholar   +1 more source

Thermoeconomic and environmental feasibility of waste heat recovery of a data center using air source heat pump

Journal of Cleaner Production, 2019
Currently, the vast amount of heat generated by electronic equipment in the data canters is removed using high energy consumption mechanical systems. Hence, there is a good potential to use waste heat recovery systems for space heating purposes in order ...
Mahdi Deymi-Dashtebayaz   +1 more
semanticscholar   +1 more source

Air‐Source Heat Pump for Distributed Steam Generation: A New and Sustainable Solution to Replace Coal‐Fired Boilers in China

Advanced Sustainable Systems, 2020
With the ratification of the Paris Climate Change Agreement, the use of coal‐fired boilers in China are being gradually restricted and removed from use to control air pollution and reduce CO2 emissions. However, current alternatives to coal‐fired boilers
Hongzhi Yan, Bin Hu, Ru-Zhu Wang
semanticscholar   +1 more source

Investigation of air-source heat pump using heat pipes as heat radiator

International Journal of Refrigeration, 2018
Abstract In this study, a concept of air-source heat pump using heat pipes as heat radiator system (ASHPP) for room heating was proposed. The heat pipes radiator was developed to replace the heating terminal equipment used in traditional heat pump plants. A tested room with artificial load was constructed and an experimental apparatus of ASHPP system
Shuxue Xu   +3 more
openaire   +1 more source

A solar-air source heat pump with thermosiphon to efficiently utilize solar energy

, 2020
Traditional solar heat pump cannot utilize either solar energy efficiently or thermal energy in ambient air. A hybrid solar–air source heat pump with thermosiphon using a multi-function evaporator was proposed to take the advantages of both air thermal ...
Si-Yuan Ran   +4 more
semanticscholar   +1 more source

Optimal Designs of Air Source Heat Pump Dryers in Agro-food Processing Industry

Food Engineering Reviews, 2023
A. J. Fernando, K. Rosentrater
semanticscholar   +1 more source

Energy-saving analysis of air source heat pump integrated with a water storage tank for heating applications

, 2020
Due to declining fossil fuel reserves and environmental contamination, the use of air source heat pumps has become a significant alternative to fossil fuel heating.
Pin Wu   +5 more
semanticscholar   +1 more source

Performance analysis of a quasi-two stage compression air source heat pump in severe cold region with a new control strategy

, 2020
The quasi-two stage compression air source heat pump (QTASHP) has been widely used in cold regions, such as North China, but not in severe cold regions due to the excessive discharge temperature at lower ambient temperature.
Wen-Zhe Wei   +5 more
semanticscholar   +1 more source

An air source heat pump with an advanced cycle for heating buildings in Beijing

Energy Conversion and Management, 2011
Abstract It is difficult for an air source heat pump (ASHP) system to provide enough heat for heating buildings with high working efficiency when it runs at low ambient temperature. An advanced ASHP system that, in the paper, composes a main refrigerant circle and a bypass circle would supply a lot of heat for the buildings in Beijing at same working
Ruixiang Wang   +4 more
openaire   +1 more source

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