Dry deposition of dirt on building surface fouling

Dirt particles, pollutants or dusts often has its ways to get embedded onto a surface of a material, typically materials with rough surfaces. This undesired accumulation of dirt such as on building surfaces not only affects its aesthetic image but more importantly could result in the reduction of re...

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Main Author: Muhammad Junaidi Arip
Other Authors: Wan Man Pun
Format: Final Year Project
Language:English
Published: 2016
Subjects:
Online Access:http://hdl.handle.net/10356/68402
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Institution: Nanyang Technological University
Language: English
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spelling sg-ntu-dr.10356-684022023-03-04T19:15:11Z Dry deposition of dirt on building surface fouling Muhammad Junaidi Arip Wan Man Pun School of Mechanical and Aerospace Engineering DRNTU::Engineering Dirt particles, pollutants or dusts often has its ways to get embedded onto a surface of a material, typically materials with rough surfaces. This undesired accumulation of dirt such as on building surfaces not only affects its aesthetic image but more importantly could result in the reduction of reflectance which ultimately leads to an increased in energy consumption. Deposition of dirt particles on various cool roof coating coupons were investigated. Typically, particle capture for rougher surface shows a higher particle buildup than those with a smoother surface. Effects on climate changes such as precipitations and pollutants were also investigated as these factors might affect the total amount of dirt accumulated. Methods of collecting dirt particles by means of surrogate surfaces were designed to establish feasible results for the particles collected. Surface temperature of aged coupons were compared with newly coated ones which suggest lower reflectance value for the aged ones. Based on the reflectance value, the energy consumption were estimated. Bachelor of Engineering (Mechanical Engineering) 2016-05-25T09:02:16Z 2016-05-25T09:02:16Z 2016 Final Year Project (FYP) http://hdl.handle.net/10356/68402 en Nanyang Technological University 80 p. application/pdf
institution Nanyang Technological University
building NTU Library
continent Asia
country Singapore
Singapore
content_provider NTU Library
collection DR-NTU
language English
topic DRNTU::Engineering
spellingShingle DRNTU::Engineering
Muhammad Junaidi Arip
Dry deposition of dirt on building surface fouling
description Dirt particles, pollutants or dusts often has its ways to get embedded onto a surface of a material, typically materials with rough surfaces. This undesired accumulation of dirt such as on building surfaces not only affects its aesthetic image but more importantly could result in the reduction of reflectance which ultimately leads to an increased in energy consumption. Deposition of dirt particles on various cool roof coating coupons were investigated. Typically, particle capture for rougher surface shows a higher particle buildup than those with a smoother surface. Effects on climate changes such as precipitations and pollutants were also investigated as these factors might affect the total amount of dirt accumulated. Methods of collecting dirt particles by means of surrogate surfaces were designed to establish feasible results for the particles collected. Surface temperature of aged coupons were compared with newly coated ones which suggest lower reflectance value for the aged ones. Based on the reflectance value, the energy consumption were estimated.
author2 Wan Man Pun
author_facet Wan Man Pun
Muhammad Junaidi Arip
format Final Year Project
author Muhammad Junaidi Arip
author_sort Muhammad Junaidi Arip
title Dry deposition of dirt on building surface fouling
title_short Dry deposition of dirt on building surface fouling
title_full Dry deposition of dirt on building surface fouling
title_fullStr Dry deposition of dirt on building surface fouling
title_full_unstemmed Dry deposition of dirt on building surface fouling
title_sort dry deposition of dirt on building surface fouling
publishDate 2016
url http://hdl.handle.net/10356/68402
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