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Experimental Investigation of Heat Transfer Over Machining Surfaces Using Infrared Camera

Steam boiler is used mainly in palm oil mill to generate steam to produce electricity and for sterilization process. An important role of boiler tube heating system is played by forced and natural convection. The type of material and its surface roughness are important to determine the heat transfer...

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Main Author: Nadaraj, Sarvesh
Format: Thesis
Language:English
Published: 2015
Subjects:
TJ Mechanical engineering and machinery
Online Access:http://eprints.intimal.edu.my/111/1/BMEGI%20-%2051.pdf
http://eprints.intimal.edu.my/111/
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spelling my-inti-eprints.1112016-04-06T09:47:19Z http://eprints.intimal.edu.my/111/ Experimental Investigation of Heat Transfer Over Machining Surfaces Using Infrared Camera Nadaraj, Sarvesh TJ Mechanical engineering and machinery Steam boiler is used mainly in palm oil mill to generate steam to produce electricity and for sterilization process. An important role of boiler tube heating system is played by forced and natural convection. The type of material and its surface roughness are important to determine the heat transfer rate. This research presents an experimental investigation by infrared thermography of heat transfer over machining surfaces. The overall objective would be to gather temperature gradient of machined surface by using infrared camera and analyses the rate of heat transfer of the machined surface. Three types of material was used for this experiment will be low alloy steel, carbon steel and stainless steel. The steel plates were milled to different surface roughness by varying the spindle speed of 1000 rpm and 1500 rpm. The roughness was measured before the heating process. Then, the material was heated up to 300°C and the natural and force convection experiment was conducted. For force convection, the wind speed was varied from 2.3mJs, 4.1 m/s and 5.2 in/s. As for the natural convection, stainless steel’s final heat transfer rate for smooth surface is having variation of 7.24 Watt; manufacturing surface of stainless steel is having variation of 6.2 Watt while the rate of heat transfer for rough surface is having variation of 4.01 Watt. As for the force convection at 5.2 m/s, stainless steel’s smooth surfaces final heat transfer rate for smooth surface is having variation of 26.3 Watt, while manufacturing surfaces final heat transfer rate is having variation of 22.81 Watt and the rough surfaces is having final heat transfer rate is having the variation of 21.51 Watt. As to conclude for both natural and force convection, smooth surfaces for all three types of material which consist of carbon steel, low alloy steel and stainless steel has the highest heat transfer rate. In this experiment it could be concluded that smooth surfaces of stainless steel have the highest transfer rate in both natural and force convection.� 2015 Thesis NonPeerReviewed text en http://eprints.intimal.edu.my/111/1/BMEGI%20-%2051.pdf Nadaraj, Sarvesh (2015) Experimental Investigation of Heat Transfer Over Machining Surfaces Using Infrared Camera. Other thesis, INTI International University.
institution INTI International University
building INTI Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider INTI International University
content_source INTI Institutional Repository
url_provider http://eprints.intimal.edu.my
language English
topic TJ Mechanical engineering and machinery
spellingShingle TJ Mechanical engineering and machinery
Nadaraj, Sarvesh
Experimental Investigation of Heat Transfer Over Machining Surfaces Using Infrared Camera
description Steam boiler is used mainly in palm oil mill to generate steam to produce electricity and for sterilization process. An important role of boiler tube heating system is played by forced and natural convection. The type of material and its surface roughness are important to determine the heat transfer rate. This research presents an experimental investigation by infrared thermography of heat transfer over machining surfaces. The overall objective would be to gather temperature gradient of machined surface by using infrared camera and analyses the rate of heat transfer of the machined surface. Three types of material was used for this experiment will be low alloy steel, carbon steel and stainless steel. The steel plates were milled to different surface roughness by varying the spindle speed of 1000 rpm and 1500 rpm. The roughness was measured before the heating process. Then, the material was heated up to 300°C and the natural and force convection experiment was conducted. For force convection, the wind speed was varied from 2.3mJs, 4.1 m/s and 5.2 in/s. As for the natural convection, stainless steel’s final heat transfer rate for smooth surface is having variation of 7.24 Watt; manufacturing surface of stainless steel is having variation of 6.2 Watt while the rate of heat transfer for rough surface is having variation of 4.01 Watt. As for the force convection at 5.2 m/s, stainless steel’s smooth surfaces final heat transfer rate for smooth surface is having variation of 26.3 Watt, while manufacturing surfaces final heat transfer rate is having variation of 22.81 Watt and the rough surfaces is having final heat transfer rate is having the variation of 21.51 Watt. As to conclude for both natural and force convection, smooth surfaces for all three types of material which consist of carbon steel, low alloy steel and stainless steel has the highest heat transfer rate. In this experiment it could be concluded that smooth surfaces of stainless steel have the highest transfer rate in both natural and force convection.�
format Thesis
author Nadaraj, Sarvesh
author_facet Nadaraj, Sarvesh
author_sort Nadaraj, Sarvesh
title Experimental Investigation of Heat Transfer Over Machining Surfaces Using Infrared Camera
title_short Experimental Investigation of Heat Transfer Over Machining Surfaces Using Infrared Camera
title_full Experimental Investigation of Heat Transfer Over Machining Surfaces Using Infrared Camera
title_fullStr Experimental Investigation of Heat Transfer Over Machining Surfaces Using Infrared Camera
title_full_unstemmed Experimental Investigation of Heat Transfer Over Machining Surfaces Using Infrared Camera
title_sort experimental investigation of heat transfer over machining surfaces using infrared camera
publishDate 2015
url http://eprints.intimal.edu.my/111/1/BMEGI%20-%2051.pdf
http://eprints.intimal.edu.my/111/
_version_ 1644541097060335616
score 13.211869

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