Performance of shallow borehole of spiral-tube ground heat exchanger / Jalaluddin, Rustan Tarakka and Akio Miyara

Jalaluddin,, Rustan Tarakka and Akio, Miyara (2018) Performance of shallow borehole of spiral-tube ground heat exchanger / Jalaluddin, Rustan Tarakka and Akio Miyara. Journal of Mechanical Engineering (JMechE), 15 (2). pp. 41-52. ISSN 1823-5514 ; 2550-164X

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Abstract

The use of geothermal energy has been recognized as a possible solution for reducing emissions. This energy source is a renewable and green energy sources with wide applications such as for space air conditioning and hot water supply. A ground heat exchanger (GHE) can be applied in the space air conditioning system for exchanging heat with the ground. This study present an investigation of thermal performance of shallow spiral-tube GHE buried in the 5 m depth. The performance of this GHE is investigated by numerical method using CFD code. The performance of the spiral-tube GHE is 46.9 Watt per meter borehole depth in laminar flow and 64.6 Watt per meter borehole depth in turbulent flow. Comparison between the spiral-tube and the conventional U-tube GHEs shows the possibility to reduce borehole depth and installation cost. Using the spiral-tube GHE can reduce the borehole about a half compared with using the conventional U-tube GHE. Shallow spiral-tube GHEs can be arranged in series and parallel configurations to meet the needs in the application.

Metadata

Item Type: Article
Creators:
Creators
Email
Jalaluddin,, Rustan Tarakka
jalaluddin_had@yahoo.com
Akio, Miyara
UNSPECIFIED
Subjects: T Technology > TJ Mechanical engineering and machinery
Divisions: Universiti Teknologi MARA, Shah Alam > Faculty of Mechanical Engineering
Journal or Publication Title: Journal of Mechanical Engineering (JMechE)
UiTM Journal Collections: UiTM Journal > Journal of Mechanical Engineering (JMechE)
ISSN: 1823-5514 ; 2550-164X
Volume: 15
Number: 2
Page Range: pp. 41-52
Official URL: https://jmeche.uitm.edu.my/
Item ID: 36322
Uncontrolled Keywords: ground heat exchanger, shallow spiral-tube GHE, performance.
URI: https://ir.uitm.edu.my/id/eprint/36322

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36322

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