بحث بعنوان A Review of Ground Heat Exchangers for Cooling Application in the Malaysian Climate

بحث بعنوان A Review of Ground Heat Exchangers for Cooling Application in the Malaysian Climate
اسم المؤلف
T.M. Yusof1 , S. Anuar and H. Ibrahim
التاريخ
26 نوفمبر 2021
المشاهدات
44
التقييم
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بحث بعنوان
A Review of Ground Heat Exchangers for Cooling Application in the Malaysian Climate
T.M. Yusof1 , S. Anuar and H. Ibrahim
1Faculty of Mechanical Engineering, University Malaysia Pahang
26600 Pekan, Pahang, Malaysia
Phone: +609-424-6257; Fax: +609-424-6200
Email: [email protected], [email protected], [email protected]
2Automotive Engineering Centre, Universiti Malaysia Pahang,
26600 Pekan, Pahang, Malaysia
ABSTRACT
The ground heat exchanger (GHE) is one of the energy sources that has been identified
since the 1970s which is able to produce sustainable energy for cooling which is in
passive side. GHEs are widely implemented around the world, especially in European
countries and a few Asian countries. In Malaysia, application of GHE is still considered
as a new passive cooling approach in building energy reduction. Therefore, this paper
reviews several important ways of implementing GHE in order to supply passive
cooling for any application. The review covers general implementation of the GHE for
thermal comfort and agricultural greenhouse cooling. The ground temperature variation
used in different researches is also reviewed in this paper as an important part of
identifying potential GHE implementations. Design and performance aspects of the
GHE are also reviewed. Finally, this paper summarizes the potential and benefit of GHE
implementation in the Malaysian climate for cooling applications to reduce the energy
used in buildings and greenhouse gas emission.
CONCLUSIONS
The GHE is one of the methods that can be used for reducing energy consumed in
buildings and agricultural greenhouses. Both heating and cooling requirement can be
supply by the GHE. Application of GHE for cooling purpose has been identified that it
can give a better performance. Thermal performance of the GHE depends on several
main factors such as ground temperature variation, design and specification of the GHE
pipe. Each of the main factor is future depends on several sub-factors. Geographical
sub-factor which related to the average ambient temperature gives a huge effect to the
ground temperature variation. The magnitude of constant temperature variation occurred
with the same as the local average ambient temperature. The local average ambient
temperature in this study obtained as 26.9°C, therefore the GHE is able to produce
significant passive cooling for the Malaysian climate since the daytime temperature can
reach up to 34ºC. However, the implementation of GHE in Malaysia requires detail
ground temperature study at different depth. The ground temperature study in Malaysia
should be conducted at different location nationwide using mathematical model and
measurement methods. Combination of GHE’s system design and pipe specification for
optimum performance also become a great focus for future study of GHE
implementation in Malaysia in achieving energy saving and greenhouse gas emission
produce by fossil fuel.

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