ground source heat pumps
Experimental Study and Modeling of Ground-Source Heat Pumps with Combi-Storage in Buildings
... the heat pumps. In [15], a carbon dioxide direct-expansion heat pump was investigated in different operating ...solar ground source heat pump in dual heat source ...
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Experimental Performance Analysis of Ground Source Heat Pumps (GSHPs)
... Abstract Ground Source Heat Pumps (GSHP) have become as one of the most indispensable cooling and heating systems in residential applications since they have higher energy efficiency compared ...
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Performance of Ground Source Heat Pumps in Manitoba
... the ground loop piping before and after the heat exchanger ...the heat exchanger input-output ...that ground loop temperatures were monitored and logged only when the compressor was running in ...
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Practical considerations in the deployment of ground source heat pumps in older properties a case study
... current usage, continuous heating, shorter heating periods, and shorter heating periods with a setback temperature of 16°C.. The main aim of the modelling exercise was to get a better es[r] ...
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Dynamic thermal performance of horizontal ground source heat pumps The impact of coupled heat and moisture transfer
... a heat exchanger and the impact of the coupled heat and moisture transfer would depend on the installation ...the heat transfer rate for three installation depths and the difference from that for ...
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Ground Source Heat Pumps: From Green to Gold
... The Oklahoma CareerTech System for years has been preparing technicians statewide to install and service conventional air conditioning and heat pump technology that GSHP operations are based on. Six hundred and ...
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Dynamic thermal modelling of horizontal ground source heat pumps
... state heat flow through a horizontally coupled ground heat exchanger, the time step, similar to the mesh size of a computational domain, should be sufficiently small to capture the rapid temperature ...
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Study and Experimental Analysis of Horizontal Ground Source Heat Pump System
... As we seen that dependency of our society on fossil fuel such as oil, coal natural gas. These resources are limited, these are created by natural process over millions of years. Burning them to produce energy results in ...
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“OPTIMIZATION OF GROUND SOURCE HEAT PUMP:A REVIEW”
... Nowadays, Ground Source Heat Pumps (GSHPs) are more frequently acting as a main or the only device covering the building heat/cool ...low-temperature heat from/to the ...
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Performance analysis of air source heat pumps using detailed simulations and comparison to field trial data
... Whilst there is an extensive literature on the performance of ground source heat pumps in the domestic sector (e.g. Healy and Ugursal [1997], Kummert and Bernier [2008] in Canada; and ...
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A performance comparison between an air-source and a ground-source reversible heat pump
... reversible ground-source heat pump, coupled to a municipality water reticulation system, is compared experimentally and with simulations to a conventional air-source heat pump for space ...
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State of the art in gas driven heat pumps
... The Robur product is an ammonia water absorption heat pump (i.e. ammonia refrigerant, water absorbent) which offers air, water and ground source options. It is a development of technology previously ...
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Mathematical model for optimising the performance of a ground source heat pump
... and heat from natural resources have been ...Air Source Heat Pumps (ASHP) and geothermal heat pump systems are environment friendly and greener energy ...geothermal heat ...
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Performance Assessment of a Variable Capacity Air Source Heat Pump and a Horizontal Loop Coupled Ground Source Heat Pump System
... efficient heat pump systems translated into significant reductions in greenhouse gas emissions relative to conventional ...the heat pump displaced natural gas during the heating season, the annual emissions ...
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Assessment and Deployment of Ground Source Heat Pump for Air Pollution Reduction in Tehran, Iran
... Zhang et al. (2016) analyzed the performance of GSHPs for cooling and heating mode for five locations in China. The results demonstrated that the weighted average Coefficient of Performance (COP) of the heat ...
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An Approach for Combining of Solar Heating System with Ground Source Heat Pump System
... For performing the simulation, we used TRNSYS software. It is highly adaptable simulation software. It depends on the setting used to simulate the transient system behavior and it has definitely several popular modules ...
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Payback Period Estimation of Ground-Source and Air-Source Multi Heat Pumps in Korea Based on Yearly Running Cost Simulation
... run heat pumps to maintain setting indoor and sanitary tank temperature as actual heating/cooling system does, and to measure corresponding energy ...
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The Application of the Ground Source and Air to Water Heat Pumps in Cold Climate Areas
... a ground source heat pump system with horizontal ground heat exchangers operating in heating and ...the ground source heat pump system is a more beneficial ...
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Optimization Study of Ground Source Heat Pump Heating Systems in Extremely Cold Areas
... of ground-source heat pump heating systems in extremely cold ...the ground-source heat pump system built in extremely cold areas, the optimization of the heating conditions of ...
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Optimization of a Hybrid Ground Source Heat Pump using the Response Surface Method
... were ground heat exchanger length (GHXL) and control strategies with which supplemental equipment such as cooling tower is operated, and selected responses were the size of supplemental equipment, total ...
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