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Experimental invest...
Experimental investigation of heat transfer characteristics in a miniature flat heat pipe with multi-channels
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- Manova, S. (author)
- King Mongkut's University of Technology Thonburi (KMUTT), Bangkok, Bangmod, Thailand
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- Kumar, J. P. (author)
- Department of Mechanical Engineering, Kings Engineering College, Chennai, India
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- Asirvatham, L. G. (author)
- Department of Mechanical Engineering, Karunya Institute of Technology and Sciences, Coimbatore, India
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- Angeline, A. A. (author)
- Department of Robotics Engineering, Karunya Institute of Technology and Sciences, Coimbatore, India
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- Leunanonchai, W. (author)
- King Mongkut's University of Technology Thonburi (KMUTT), Bangkok, Bangmod, Thailand
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- Arkadumnuay, T. (author)
- King Mongkut's University of Technology Thonburi (KMUTT), Bangkok, Bangmod, Thailand
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- Mesgarpour, Mehrdad (author)
- Mälardalens universitet,Framtidens energi
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- Mahian, O. (author)
- Ningbo University, Ningbo, China
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- Wongwises, S. (author)
- King Mongkut's University of Technology Thonburi (KMUTT), Bangkok, Bangmod, Thailand
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(creator_code:org_t)
- Elsevier Ltd, 2024
- 2024
- English.
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In: International Journal of Heat and Mass Transfer. - : Elsevier Ltd. - 0017-9310 .- 1879-2189. ; 221
- Related links:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Subject headings
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- The heat transfer characteristics of a miniatured flat heat pipe (MFHP) with multi-channels, featuring a port diameter of 1.18 mm, is investigated experimentally. Various operating parameters are considered, including the working fluid volume (Vf = 1.5, 2.5, and 3.5 ml), length of the liquid reservoir (Lres = No reservoir, 5, and 10 mm), orientation such as axial face (αa) or lateral side (αl), inclination angles (α = −15 to 90o), and cooling water flow rates (ṁi = 10, 15, and 20 LPH). Based on the experiments, the optimal values for the working fluid volume, reservoir length, and flow rate are determined as Vf = 2.5 ml, Lres = 5 mm, and ṁi = 20 LPH, respectively. Further analysis reveals that, the heat dissipation rate for the axial face is significantly higher than that of the lateral side, with an average percentage increase of 35.4 %. However, the lateral side outperforms the axial face in terms of stabilizing the evaporator wall temperature, reducing fluctuations by an average of 24.5 %. Moreover, the presence of multi-channels allows the MFHP in axial face orientation to dissipate a maximum heat load of 15 W against gravity at an inclination angle of αa = −15o. Finally, the variations in MFHP operation based on the orientation and its underlying physical mechanisms that contribute to enhancing heat transfer are discussed.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Maskinteknik -- Energiteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Mechanical Engineering -- Energy Engineering (hsv//eng)
Keyword
- Antigravity
- Electronics cooling
- Inclination
- Miniaturized flat heat pipe
- Multi-channel
- Cooling water
- Flow of water
- Fluids
- Heat pipes
- Reservoirs (water)
- Flat heat pipe
- Fluid volumes
- Heat-transfer characteristics
- Inclination angles
- Multi channel
- Working fluid
- Electronic cooling
Publication and Content Type
- ref (subject category)
- art (subject category)
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