Results 11 to 20 of about 467 (182)
Status and Outlook for Research on Geothermal Heating Technology
Zhileng xuebao, 2021 Geothermal energy is widely used in building heating owing to its stability, large reserves, and wide distribution. Beginning from the classification of geothermal energy heating technology, this paper elaborates on the basic concepts, development ...
Wang Fenghao +6 more
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Shuiwen dizhi gongcheng dizhi, 2023 The borehole heat exchanger (BHE) is a key component using shallow geothermal energy in ground source heat pump systems (GSHPS), and reasonable pipe spacing design has a great impact on the heat transfer performance and economy of the GSHPs.
Jiashu LI +3 more
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Energy Reports, 2022 Developing shallow geothermal energy with borehole heat exchangers helps energy supply and CO2 emission reduction. This paper comprehensively investigates the influencing factors on heat transfer efficiency of a single borehole heat exchanger based on ...
Zongjun Gao +7 more
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Energies, 2022 The purpose of the present work was to determine the thermal performance of borehole heat exchangers, considering the influences of their geometric configurations and the thermophysical properties of the soil, grout and pipe wall material.
Tangnur Amanzholov +9 more
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Energy Reports, 2021 Southeast Asian countries have experienced fast economic growth for several decades. This rapid growth has been accompanied by an increased energy demand per capita. Ground source heat pumps could be a solution to improve energy efficiency.
Arif Widiatmojo +8 more
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Influence of sustainable load imbalance ratio of heat exchanger of medium-shallow borehole
Youqicang pingjia yu kaifa, 2022 The heat exchanger of medium-shallow borehole which have a deeper depth than the traditional ground source heat pump system and can sustain a notable load imbalance ratio and widen the application scope of geothermal energy.
ZHANG Tian'an +5 more
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Heat transfer character of deep multi-borehole under different geothermal recovery period
Energy Reports, 2023 The deep-borehole coaxial heat exchanger (DBCHE) can utilize mid-deep geothermal energy steadily. However, most studies of DBCHE were based on a single well; with the growth of building heating area, the applications such as multi-borehole collaborative ...
Feilong Chen, Yujie Bai
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A Model for a Borehole Heat Exchanger Working with CO2
Energy Procedia, 2014 AbstractGround source heat pumps are a valid technology for heating and cooling in residential application, since they allow to have a stable temperature of the heat source/sink by means of ground heat exchangers, generally named as Boreholes. In particular, U- pipe heat exchangers are interesting when working with two-phase fluids, especially during ...
R. MASTRULLO +3 more
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Mathematical modelling of thermal and flow processes in vertical ground heat exchangers
Chemical and Process Engineering, 2017 The main task of mathematical modelling of thermal and flow processes in vertical ground heat exchanger (BHE-Borehole Heat Exchanger) is to determine the unit of borehole depth heat flux obtainable or transferred during the operation of the installation.
Pater Sebastian +1 more
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Hybrid semi analytical method for geothermal U shaped heat exchanger
Case Studies in Thermal Engineering, 2018 In this paper, convective-conductive heat transfer processes between the all components of geothermal borehole heat exchanger (BHE) such as pipe-in, pipe-out and grout have been studied.
P. Jalili, D.D. Ganji, S.S. Nourazar
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