scholarly journals EXPERIMENTAL STUDY OF UNDERGROUND THERMAL ENERGY USE BY 6M GROUND HEAT EXCHANGER

2014 ◽  
Vol 79 (696) ◽  
pp. 181-189
Author(s):  
Akihiko IWASAWA ◽  
Shigeki NAKAYAMA
Keyword(s):  
Experimental Study ◽  
Heat Exchanger ◽  
Thermal Energy ◽  
Energy Use ◽  
Ground Heat Exchanger

scholarly journals Simulation of Double Pipe Heat Exchanger with Implementation of PCM

2019 ◽  
Vol 8 (12) ◽  
pp. 658-663
Keyword(s):  
Heat Exchanger ◽  
Thermal Energy ◽  
Energy Use ◽  
Phase Change Materials ◽  
Time Step ◽  
Contour Plots ◽  
Materials Used ◽  
Double Pipe ◽  
Thermal Energy Storage Systems ◽  
Pipe Heat

In the present time several techniques have been developed in managing and storing thermal energy. Use of Thermal energy storage systems (TES) are one of the solutions for this issue. Hence in the present work, phase change materials (PCM) are used for storing thermal energy. D-mannitol and Hydroquinone are the two PCM materials used in double pipe heat exchanger and simulations are carried out analytically on ANSYS. Study of temperature variation is done with respect to time and values are calculated for time, t = 200, 500, 2200 and 4200 seconds. The results also include contour plots and numerical values for mass fraction for each of the case. The result shows, that with increase in the time step, the temperature gradually increases for both the cases of PCM materials.

Experimental study of several types of ground heat exchanger using a steel pile foundation

2011 ◽  
Vol 36 (2) ◽  
pp. 764-771 ◽  
Author(s):  
Jalaluddin ◽  
Akio Miyara ◽  
Koutaro Tsubaki ◽  
Shuntaro Inoue ◽  
Kentaro Yoshida
Keyword(s):  
Experimental Study ◽  
Heat Exchanger ◽  
Pile Foundation ◽  
Ground Heat Exchanger

scholarly journals Geothermal Energy Use for the Additional Heat Supply of a Residential Building

2020 ◽  
Vol 28 (4) ◽  
pp. 15-22
Author(s):  
Oleksandra Kuzmenko ◽  
Kostiantyn Dikarev ◽  
Daniil Rodionov ◽  
Oleksandra Martysh ◽  
Anar Iskenderov ◽  
...  
Keyword(s):  
Heat Exchanger ◽  
Heat Exchangers ◽  
Heat Recovery ◽  
Energy Use ◽  
Residential Building ◽  
Ground Heat Exchanger ◽  
Ground Heat Exchangers ◽  
Recovery System ◽  
Heat Recovery System ◽  
Building Ventilation

AbstractTo ensure low-energy consumption in new generation energy-efficient houses, the technology of a ground heat exchanger with a heat recovery system is used almost everywhere. However, this technology has not been widely disseminated in Ukraine. The work is aimed at presenting insights from research on the combination of ground heat exchangers with a heat recovery system for building ventilation by analyzing the operational and techno-economic indicators obtained. Current studies permit revealing the optimal configuration of a ground heat exchanger with a heat recovery system for ventilation in a residential building in order to analyze the efficiency of ground heat exchangers with a heat recovery system for ventilation of a residential building in comparison with several conventional ventilation options to assess the main price/ performance ration of the process of constructing a ground heat exchanger with a heat recovery system and to determine the duration of the technological process, the labor-intensive characteristics, and the estimated cost of the technology.

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