Powder-based additive manufacturing of carbon nanotube/ thermoplastic polyurethane solar evaporators

Various designs and methods have been designed and developed in solar-driven interfacial evaporation (SDIE) for water desalination to achieve highly efficient solar steam generation. However, the challenge of achieving superior efficiency than the present available designs remain to be overcome. In...

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Main Author: Suhailah Binte Muhammad Arshad
Other Authors: Zhou Kun
Format: Final Year Project
Language:English
Published: Nanyang Technological University 2023
Subjects:
Online Access:https://hdl.handle.net/10356/168268
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Institution: Nanyang Technological University
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spelling sg-ntu-dr.10356-1682682023-11-29T07:42:26Z Powder-based additive manufacturing of carbon nanotube/ thermoplastic polyurethane solar evaporators Suhailah Binte Muhammad Arshad Zhou Kun School of Mechanical and Aerospace Engineering kzhou@ntu.edu.sg Engineering::Mechanical engineering Various designs and methods have been designed and developed in solar-driven interfacial evaporation (SDIE) for water desalination to achieve highly efficient solar steam generation. However, the challenge of achieving superior efficiency than the present available designs remain to be overcome. In this work, we comprehensively analyse the performance of these developments as an inspiration of our highly efficient CNT/TPU tree-inspired and aloe vera-inspired solar evaporators that supplies as an all-day freshwater harvester. Moreover, we conducted the experiment using Powder Bed Fusion (PBF) techniques mainly using Selective Laser Sintering (SLS) and Multi-Jet Fusion (MJF), to comparatively study the performance of the 3D printers and determine the suitable PBF technique for CNT/TPU material. Subsequently, analysing the material to achieve microporous structure and apply the parameters on the aloe vera and tree macrostructure designs. Our aloe vera-inspired structures exhibit high evaporation rate, excellent thermal management properties and high fog collection. Moreover, under 5 sun illumination, the water evaporation rate of aloe vera-inspired structures are 1-2 times higher than those of tree-inspired structures. The outstanding performance were achieved by the comparison of materials used in the CNT/TPU composites and various nozzle opening by MJF which were accomplished through multiple light reflections and excellent thermal conversion along the aloe vera-inspired structure to obtain efficient thermal recovery. Thus, the aloe vera-inspired structure demonstrates its potential in combatting the global water scarcity issues for its ability to quickly harvest freshwater in a short duration. Bachelor of Engineering (Mechanical Engineering) 2023-06-09T11:16:44Z 2023-06-09T11:16:44Z 2023 Final Year Project (FYP) Suhailah Binte Muhammad Arshad (2023). Powder-based additive manufacturing of carbon nanotube/ thermoplastic polyurethane solar evaporators. Final Year Project (FYP), Nanyang Technological University, Singapore. https://hdl.handle.net/10356/168268 https://hdl.handle.net/10356/168268 en A171 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::Mechanical engineering
spellingShingle Engineering::Mechanical engineering
Suhailah Binte Muhammad Arshad
Powder-based additive manufacturing of carbon nanotube/ thermoplastic polyurethane solar evaporators
description Various designs and methods have been designed and developed in solar-driven interfacial evaporation (SDIE) for water desalination to achieve highly efficient solar steam generation. However, the challenge of achieving superior efficiency than the present available designs remain to be overcome. In this work, we comprehensively analyse the performance of these developments as an inspiration of our highly efficient CNT/TPU tree-inspired and aloe vera-inspired solar evaporators that supplies as an all-day freshwater harvester. Moreover, we conducted the experiment using Powder Bed Fusion (PBF) techniques mainly using Selective Laser Sintering (SLS) and Multi-Jet Fusion (MJF), to comparatively study the performance of the 3D printers and determine the suitable PBF technique for CNT/TPU material. Subsequently, analysing the material to achieve microporous structure and apply the parameters on the aloe vera and tree macrostructure designs. Our aloe vera-inspired structures exhibit high evaporation rate, excellent thermal management properties and high fog collection. Moreover, under 5 sun illumination, the water evaporation rate of aloe vera-inspired structures are 1-2 times higher than those of tree-inspired structures. The outstanding performance were achieved by the comparison of materials used in the CNT/TPU composites and various nozzle opening by MJF which were accomplished through multiple light reflections and excellent thermal conversion along the aloe vera-inspired structure to obtain efficient thermal recovery. Thus, the aloe vera-inspired structure demonstrates its potential in combatting the global water scarcity issues for its ability to quickly harvest freshwater in a short duration.
author2 Zhou Kun
author_facet Zhou Kun
Suhailah Binte Muhammad Arshad
format Final Year Project
author Suhailah Binte Muhammad Arshad
author_sort Suhailah Binte Muhammad Arshad
title Powder-based additive manufacturing of carbon nanotube/ thermoplastic polyurethane solar evaporators
title_short Powder-based additive manufacturing of carbon nanotube/ thermoplastic polyurethane solar evaporators
title_full Powder-based additive manufacturing of carbon nanotube/ thermoplastic polyurethane solar evaporators
title_fullStr Powder-based additive manufacturing of carbon nanotube/ thermoplastic polyurethane solar evaporators
title_full_unstemmed Powder-based additive manufacturing of carbon nanotube/ thermoplastic polyurethane solar evaporators
title_sort powder-based additive manufacturing of carbon nanotube/ thermoplastic polyurethane solar evaporators
publisher Nanyang Technological University
publishDate 2023
url https://hdl.handle.net/10356/168268
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