Thermal switch material for modulation of conducted heat in smart windows

Growth & advancement in smart window technologies have brought by tremendous energy efficiency capabilities to homes & buildings by reducing the needs of Heating, Ventilation & Air-Conditioning (HAVC) systems. This reduces the impact on the environment caused by burning of fossil fuels t...

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Main Author: Haw, Chee Yeng
Other Authors: Alfred Tok Iing Yoong
Format: Final Year Project
Language:English
Published: Nanyang Technological University 2021
Subjects:
Online Access:https://hdl.handle.net/10356/147828
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Institution: Nanyang Technological University
Language: English
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spelling sg-ntu-dr.10356-1478282023-03-04T15:45:23Z Thermal switch material for modulation of conducted heat in smart windows Haw, Chee Yeng Alfred Tok Iing Yoong School of Materials Science and Engineering CREATE MIYTok@ntu.edu.sg Engineering::Materials Growth & advancement in smart window technologies have brought by tremendous energy efficiency capabilities to homes & buildings by reducing the needs of Heating, Ventilation & Air-Conditioning (HAVC) systems. This reduces the impact on the environment caused by burning of fossil fuels to meet these energy needs for these systems. There are still untapped potentials in researching modulation of conducted heat as most smart window modulates radiated heat. Predecessors of this research concluded that glaze made from graphene quantum dot (GQD) thin films coated on ITO glass & switching component using graphene decorated nanoparticles are ideal materials in constructing a heat modulating smart window. This project focuses solely on improving the switching component material, by synthesising a few series of Magnetic Nanoparticles (MNPs) with different Poly-vinylpyrrolidone (PVP) & graphene concentration variations. Synthesis method used was a modified co-precipitation method & testing for an optimized parameter to achieve optimal thermal performance in modulation conducted heat was conducted. Results & analysis shows that cobalt ferrite MNP samples B0C5 & B0C15 were recommend for this switch application. Some findings include the need for calcination of samples to remove excess PVP & sodium chloride contaminants to enhance the purity & size of the particles. Magnetic properties were not justified due to lack of testing & finalized heat modulating switch was not fabricated. For the continuation of this project, resynthesized of recommended samples & validation testing is important and incorporation of the switch with heat conductive glaze & heatsink into a single prototype is recommended. Bachelor of Engineering (Materials Engineering) 2021-04-17T14:36:27Z 2021-04-17T14:36:27Z 2021 Final Year Project (FYP) Haw, C. Y. (2021). Thermal switch material for modulation of conducted heat in smart windows. Final Year Project (FYP), Nanyang Technological University, Singapore. https://hdl.handle.net/10356/147828 https://hdl.handle.net/10356/147828 en application/pdf Nanyang Technological University
institution Nanyang Technological University
building NTU Library
continent Asia
country Singapore
Singapore
content_provider NTU Library
collection DR-NTU
language English
topic Engineering::Materials
spellingShingle Engineering::Materials
Haw, Chee Yeng
Thermal switch material for modulation of conducted heat in smart windows
description Growth & advancement in smart window technologies have brought by tremendous energy efficiency capabilities to homes & buildings by reducing the needs of Heating, Ventilation & Air-Conditioning (HAVC) systems. This reduces the impact on the environment caused by burning of fossil fuels to meet these energy needs for these systems. There are still untapped potentials in researching modulation of conducted heat as most smart window modulates radiated heat. Predecessors of this research concluded that glaze made from graphene quantum dot (GQD) thin films coated on ITO glass & switching component using graphene decorated nanoparticles are ideal materials in constructing a heat modulating smart window. This project focuses solely on improving the switching component material, by synthesising a few series of Magnetic Nanoparticles (MNPs) with different Poly-vinylpyrrolidone (PVP) & graphene concentration variations. Synthesis method used was a modified co-precipitation method & testing for an optimized parameter to achieve optimal thermal performance in modulation conducted heat was conducted. Results & analysis shows that cobalt ferrite MNP samples B0C5 & B0C15 were recommend for this switch application. Some findings include the need for calcination of samples to remove excess PVP & sodium chloride contaminants to enhance the purity & size of the particles. Magnetic properties were not justified due to lack of testing & finalized heat modulating switch was not fabricated. For the continuation of this project, resynthesized of recommended samples & validation testing is important and incorporation of the switch with heat conductive glaze & heatsink into a single prototype is recommended.
author2 Alfred Tok Iing Yoong
author_facet Alfred Tok Iing Yoong
Haw, Chee Yeng
format Final Year Project
author Haw, Chee Yeng
author_sort Haw, Chee Yeng
title Thermal switch material for modulation of conducted heat in smart windows
title_short Thermal switch material for modulation of conducted heat in smart windows
title_full Thermal switch material for modulation of conducted heat in smart windows
title_fullStr Thermal switch material for modulation of conducted heat in smart windows
title_full_unstemmed Thermal switch material for modulation of conducted heat in smart windows
title_sort thermal switch material for modulation of conducted heat in smart windows
publisher Nanyang Technological University
publishDate 2021
url https://hdl.handle.net/10356/147828
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