Hybrid systemSpace heatingHeat pumpGas heaterPrice ratioHybrid systems combining heat pump and gas heater can demonstrate the economic benefits, while their environmental performance is rarely investigated. In this paper, a comprehensive environmental performance investigation has been conducted to reveal the...
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To improve the heat efficiency of gas water heaters, we studied a hybrid type water heater that combines a conventional gas-fired water heater and an adsorption heat pump cycle. With a target heat efficiency of approximately 120%a dramatic increase over the 85% efficiency of a conventional gas...
[88] Heating capacity and COP increase 30% and 26% respectively compared with ASHP Testing Developed a hybrid air and water source evaporator of heat pump You et al. [90] Prevent 11.22 °C decrease of average soil temperature in 6 operation years Simulation Proposed a new AHC as auxiliary ...
Air Source Heat Pump, Air to Water Heat Pump (11KW to 75KW) A heat pump is a mechanical device that transfers heat from one environmental compartment to another, typically against a temperature gradient (i.e. from cool to...
A heat pump water heater (HPWH) operates on an electrically driven vapor-compression cycle and pumps energy from the air in its surroundings to water in a ... A Hepbasli,Y Kalinci - 《Renewable & Sustainable Energy Reviews》 被引量: 383发表: 2011年 Theoretical performance analysis of heat...
In general, these hybrid systems show significant COP improvement compared to conventional heat pump systems [72]. Many heat pumps installed in current buildings use centrifugal compressors or screw compressors, which perform better at high load ratio above the recommended 80% limit. However, due to...