Increasing cooling capacity of chilled panels

In order to improve the energy saving potentials and productivity of chilled panels, this report will look into increasing cooling capacity in chilled rooms by increasing heat transfer through natural convection and thermal radiation. Simulation analyses of flat chilled panels were conducted to calc...

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Bibliographic Details
Main Author: Siti Safiyah Muhammad Ali
Other Authors: Wan Man Pun
Format: Final Year Project (FYP)
Language:English
Published: 2015
Subjects:
Online Access:http://hdl.handle.net/10356/64971
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author Siti Safiyah Muhammad Ali
author2 Wan Man Pun
author_facet Wan Man Pun
Siti Safiyah Muhammad Ali
author_sort Siti Safiyah Muhammad Ali
collection NTU
description In order to improve the energy saving potentials and productivity of chilled panels, this report will look into increasing cooling capacity in chilled rooms by increasing heat transfer through natural convection and thermal radiation. Simulation analyses of flat chilled panels were conducted to calculate the overall cooling capacity of the chilled panel at specific emissivity level and designs. Additionally, the contact surface area between the heat source and chilled panels were remodelled to increase radiation. The simulations showed that perforated panels or panels with gaps between would increase cooling capacity, through natural convection, as warm air from the occupied space was allowed to enter the plenum space. This, thus, meant greater circulation of convection in the controlled volume. Additionally, the simulation showed that increasing the surface area of the panels did not have a significant impact on thermal radiation. Thus, there was no effect on the cooling capacity of the chilled panels. However, simulations showed that increasing the emissivity of the panels had a positive effect on the cooling capacity as radiation increased. Therefore, the simulations showed specifically if any design change had an effect on the cooling capacity of the panels.
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spelling ntu-10356/649712023-03-04T18:16:55Z Increasing cooling capacity of chilled panels Siti Safiyah Muhammad Ali Wan Man Pun School of Mechanical and Aerospace Engineering DRNTU::Engineering::Mechanical engineering::Fluid mechanics In order to improve the energy saving potentials and productivity of chilled panels, this report will look into increasing cooling capacity in chilled rooms by increasing heat transfer through natural convection and thermal radiation. Simulation analyses of flat chilled panels were conducted to calculate the overall cooling capacity of the chilled panel at specific emissivity level and designs. Additionally, the contact surface area between the heat source and chilled panels were remodelled to increase radiation. The simulations showed that perforated panels or panels with gaps between would increase cooling capacity, through natural convection, as warm air from the occupied space was allowed to enter the plenum space. This, thus, meant greater circulation of convection in the controlled volume. Additionally, the simulation showed that increasing the surface area of the panels did not have a significant impact on thermal radiation. Thus, there was no effect on the cooling capacity of the chilled panels. However, simulations showed that increasing the emissivity of the panels had a positive effect on the cooling capacity as radiation increased. Therefore, the simulations showed specifically if any design change had an effect on the cooling capacity of the panels. Bachelor of Engineering (Mechanical Engineering) 2015-06-10T02:09:08Z 2015-06-10T02:09:08Z 2015 2015 Final Year Project (FYP) http://hdl.handle.net/10356/64971 en Nanyang Technological University 56 p. application/pdf
spellingShingle DRNTU::Engineering::Mechanical engineering::Fluid mechanics
Siti Safiyah Muhammad Ali
Increasing cooling capacity of chilled panels
title Increasing cooling capacity of chilled panels
title_full Increasing cooling capacity of chilled panels
title_fullStr Increasing cooling capacity of chilled panels
title_full_unstemmed Increasing cooling capacity of chilled panels
title_short Increasing cooling capacity of chilled panels
title_sort increasing cooling capacity of chilled panels
topic DRNTU::Engineering::Mechanical engineering::Fluid mechanics
url http://hdl.handle.net/10356/64971
work_keys_str_mv AT sitisafiyahmuhammadali increasingcoolingcapacityofchilledpanels