[PDF] Top 20 A performance comparison between an air-source and a ground-source reversible heat pump

... the performance of a reversible ground-source heat pump, coupled to a municipality water reticulation system, is compared experimentally and with simulations to a conventional ... See full document

... Ground source heat pump (GSHP) systems that use a direct expansion method are expected to have higher energy-saving performance than conventional air conditioning ...The ... See full document

... underground heat exchangers, circulation water pump, circulation water tank, emergency water heater for extremely cold air, compressor, water tank, heating channels that distributed the warm ... See full document

... 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 ground is ... See full document

... the performance of GSHPs for cooling and heating mode for five locations in ...of Performance (COP) of the heat pumps is around ...of heat pumps Energy Efficiency Ratio (EER) is about ...the ... See full document

... demand. Ground Source Heat Pump (GSHP) is a promising technology to reduce the energy for cooling and heating ...of ground coupled heat ...the heat exchangers can be ... See full document

... the performance of GSHP system of heating mode for the climatic conditions of Sindri, ...Experimental comparison of various GSHP systems for different range of temperatures and different air flow ... See full document

... default heat pump control settings which were put in place on commissioning of the ...fresh air, despite reporting that the installers had advised keeping windows and doors closed when the ... See full document

... depth heat exchange in the single U pipe and the double U pipe as ...is comparison chart about unit depth heat exchange between single U pipe and double U ...depth heat exchange is sum ... See full document

... an air-to-water reversible heat pump unit using two different fin-and-tube heat exchanger coil designs and propane (R290) as the working ...higher heat transfer coefficient and ... See full document

... in performance can be accounted for the energy consumed to defrost the heat exchanger exposed to the outside ...these heat pumps with external energy input, cause the heat to flow from a lower ... See full document

... interferences between the inlet and outlet tubes can be seen from these ...In comparison with the U-tube GHE, the outlet tube of the three-tube GHE is affected by thermal interferences more significant than ... See full document

... of heat exchange surface, but can help removing condensed moisture from heat exchange surface with air flow since the contact angle becomes larger and contact surface of droplet and heat ... See full document

... system's performance depends on environmental conditions and might be gradually reduced by extensive and long-term ...Underground heat storage is one of the most commonly used methods of energy systems and ... See full document

... of air conditioning the building and cooling water for the fish tank at the same ...its heat from outdoor air and accrued air-condi- tioning ... See full document

... (BVG 2014). Kübert et al. (2009) highlighted the differences of approval procedures between the federal states and national states (Hähnlein et al. 2011). Legal regulations differ considerably from state to state. ... See full document

... a ground source heat pump is an advantage for both ...the ground temperature regenerates in summer thanks to the heat captured by the water of the façade, and that is dissipated ... See full document

... The heat exchanger that evolved as a result of this work is made from PVC pipe, and is comprised of a header and footer, and 1/2 in PVC ...the heat exchanger. The heat exchanger was designed to be ... See full document

... the ground heat exchanger were predicted based on average daily air temperature, which is available from weather data for ...the air temperature for those days and the calculated curve ...net ... See full document

... of heat pump unit, power consumption and distribution energy consumption of various circulating water pumps are analyzed in ...sewage source heat pump energy supply station is explained ... See full document