ground heat exchanger
Experiments Using Capillary Mat as Ground Heat Exchanger for Ground Source Heat Pump Heating Application
... soil heat flux at the heat ex- changers depth was moving upward to the surface during the tests periods, as indicated by positive temperature gradient in upwards ...the ground heat ...
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Experimental Analysis of Horizontal Ground Heat Exchanger for Northern Tunisia
... that heat transfer mainly happens near the outer wall of coaxial GHE and inclines to stabilization at far-field, they also have concluded that the inlet temperature, ini- tial temperature of porous medium and the ...
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VENTILATION SYSTEM WITH GROUND HEAT EXCHANGER
... using ground heat exchanger cooperating with a ground heat pump systems used in residential ...of ground heat exchanger does not exceed 100m, which gives great ...
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Dynamic interactions between the ground heat exchanger and environments in earth–air tunnel ventilation of buildings
... (axi-symmetrical) heat transfer in a circular pipe or the surrounding soil of homogeneous ...the heat transfer through the ground heat exchanger systems ...However, heat and ...
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Validation of vertical ground heat exchanger design methodologies
... This work presents a validation of two common methods for designing vertical ground heat exchangers. Both a simulation-based design tool and the ASHRAE Handbook design equation are used to find design ...
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Effect Of Newly Designed Coil Arrangements Slinky, Spiral, And U-Type On The Horizontal Ground Heat Exchanger Performance
... the heat exchanger coil, flow meters to measure the flow rates, PID temperature controller to control the inlet fluid temperature, thermo couples to measure the temperatures at inlet (T1), outlet (T2), ...
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Development and application of test cases for comparing vertical ground heat exchanger models
... cylindrical heat source is applied locally at each ...two-dimensional heat transfer in the bore field (heat transfer in the axial direction, ...successive ground heat injection loads of ...
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A new modelling approach for piled and other ground heat exchanger applications
... The proposed numerical model was tested by repro- ducing a multi-stage thermal response test (TRT) car- ried out in London on a 300mm diameter, 26.8m length test pile (Loveridge et al. 2014). The pile was equipped with a ...
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Experimental analysis of horizontal ground heat exchanger
... increases, heat transfer will be bigger and hence the difference between inlet and outlet water temperature at ...appropriate heat transfer during the operation of ...the ground temperatures at ...
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Analysis of ground massif temperatures with horizontal heat exchanger
... the ground heat exchanger can be the coefficient of the heat transfer α s between the inner wall of the heat exchanger pipe and the heat-carrying ...the heat- ...
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Heat Transfer Enhancement of Shell and Tube Heat Exchanger
... Overall heat transfer co efficient then falls due to higher thermal resistance of the layer,which implies lower heat exchanger efficiency and in turn , huge economic ...of heat transfer ...
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Experimental Investigation of Heat Pipe Induced in Heat Exchanger
... the heat exchanger effectiveness sensitivity to the Re number is positive but to the Da number is ...double-pipe heat exchanger for air conditioning applications with R-22 as refrigerant and ...
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On the Heat Transfer Enhancement of Plate Fin Heat Exchanger
... Among the numerous studies on the different kinds of fins, wavy and offset strip fins are the most popular ones because of their high thermal performances. Besides, punching holes on the fin surface can enhance ...
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A Review On Enhancement Of Heat Transfer In Microchannel Heat Exchanger
... The applications of micro system are increasing day by day. Micro fluidic systems have many applications such as micro-flow pumps, heat exchanger, valves, thin film coating, combustion, micro-flow sensors ...
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Review on Comparative Study between Straight Tube Heat Exchanger and Helical Coil Heat Exchanger
... increased heat transfer ...enhanced heat transfer in helical coiled configuration the study of flow and heat transfer characteristics in the curved tube is of prime ...increases heat transfer ...
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HEAT EXCHANGER DESIGN METHODOLOGY FOR ELECTRONIC HEAT SINKS
... Designers of electronic “heat sinks,” using either air or water cooling, typically do not treat their device as a “heat-exchanger” and tend to tend to ignore traditional procedures and rules ...
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PERFORMANCE COMPARISON OF CORRUGATED PLATE HEAT EXCHANGER WITH FLAT PLATE HEAT EXCHANGER – A THEORITICAL ANALYSIS
... These corrugated patterns also result in increased effective surface areas and provide additional strength to the plates by means of many contact points over the plates to withstand differential pressure that exists ...
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A REVIEW ON METHODS FOR HEAT TRANSFER ENHANCEMENT IN HEAT EXCHANGER
... the heat transfer in heated pipe for decaying swirl flow generated by radial blade ...the heat transfer coefficient in swirling ...the heat transfer in decaying swirl flow generated by short –twisted ...
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Design And Fabrication Of Heat Exchanger - Radiato
... There are several previous researchers that were studying about heat exchanger. They were covered about the design, performance, characteristics, and also numerical analysis. C. Oliet et. al (2007) had ...
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design and Analysis of a Heat Exchanger Network
... A heat exchanger is a device in which energy is transferred from one fluid to another across a solid ...surface. Exchanger analysis and design therefore involve both convection and ...in heat ...
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