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Spray Characteristics of Non-Newtonian Fluids

Kamarul Bahrin, Muhammad Kamil (2011) Spray Characteristics of Non-Newtonian Fluids. Universiti Teknologi Petronas. (Unpublished)

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Abstract

This report is about fundamental study of non-Newtonian fluid sprays. The concept of non-Newtonian fluid sprays is not well understood and research on this topic needs to be done in order to gain more information and to make this information useful. This concept is usually applied in the painting industry. The material that we used as non-Newtonian fluid is Xanthan gum. Xanthan gum is an extracellular polysaccharide produced by the micro-organism Xanthomonascampestris (Phillips, 2000). The purpose of this dissertation report is to represent all the flow and result of the study starting from introduction until conclusion. The first chapter makes brief introduction to the project. The report continues with the second chapter, which is literature review. Then it is followed by methodology and discussion which is discuss about how the process of study will carry and the obtain result. Conclusion part summarizes the result. The objective of the present research is to study characteristics of different concentration of non-Newtonian fluid sprays which are mean velocities, droplet sizes, and spray angle by using different pressure and same penetration range. Spray characteristics of 4Xanthan gum solution with different concentration (0.1% concentration of Xanthan gum solution, 0.5% concentration of Xanthan gum solution, 1.0% concentration of Xanthan Gum solution, 2.0% concentration of Xanthan gum solution and water) are analyzed by Laser Doppler Anemometry (LDA) and Phase Doppler Anemometry (PDA). Laser Doppler Anemometry (LDA) systems were used to measure droplet velocities of fluid sprays. Phase Doppler Anemometry (PDA) systems were used to measure the droplet sizes of fluid sprays. These results were compared with each other and relate it to spraying efficiency. All the results are analyzed to further understand the characteristics of non-Newtonian fluid sprays with different concentration. High speed digital camera was used in order to observe the structure of fluids and to measure the spray angles at nozzle exit.

Item Type: Final Year Project
Academic Subject : Academic Department - Mechanical Engineering - Petroleum
Subject: T Technology > TJ Mechanical engineering and machinery
Divisions: UNSPECIFIED
Depositing User: Users 2053 not found.
Date Deposited: 09 Oct 2013 11:07
Last Modified: 25 Jan 2017 09:41
URI: http://utpedia.utp.edu.my/id/eprint/8593

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