Title page for ETD etd-0512104-174214

Document Type thesis

Author Name Rondeau, Darrell K

URN etd-0512104-174214

Title The effects of part orientation and fluid flow on heat transfer around a cylinder.

Degree MS

Department Materials Science & Engineering

Advisors
Professor Richard Sisson Jr., Advisor
Md Maniruzziman, Committee Member
Yeming Rong, Committee Member

Keywords
quenching
residual stress
distortion

Date of Presentation/Defense 2004-05-06

Availability unrestricted

Abstract
The effects of quenchant flow around a 4140 steel cylinder have been experimentally investigated. An apparatus was developed to repeatably immerse a two inch diameter by eight inch long probe into an agitated quench tank. The probes were normalized prior to quench to relieve any residual stresses. Distortion, residual stress and hardness were experimentally measured. The results verified that there was a variation of cooling rate in respect to quenchant flow around the cylinder. The data showed that there was a higher cooling rate nearest to the quenchant flow versus a much lower cooling rate away from the flow. Computational fluid dynamics are also presented to give insight into the behavior of the quenchant flow in the tank and around the cylinder.

Files
DKRThesis.pdf

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Document Type	thesis
Author Name	Rondeau, Darrell K
URN	etd-0512104-174214
Title	The effects of part orientation and fluid flow on heat transfer around a cylinder.
Degree	MS
Department	Materials Science & Engineering
Advisors	Professor Richard Sisson Jr., Advisor Md Maniruzziman, Committee Member Yeming Rong, Committee Member
Keywords	quenching residual stress distortion
Date of Presentation/Defense	2004-05-06
Availability	unrestricted
Abstract The effects of quenchant flow around a 4140 steel cylinder have been experimentally investigated. An apparatus was developed to repeatably immerse a two inch diameter by eight inch long probe into an agitated quench tank. The probes were normalized prior to quench to relieve any residual stresses. Distortion, residual stress and hardness were experimentally measured. The results verified that there was a variation of cooling rate in respect to quenchant flow around the cylinder. The data showed that there was a higher cooling rate nearest to the quenchant flow versus a much lower cooling rate away from the flow. Computational fluid dynamics are also presented to give insight into the behavior of the quenchant flow in the tank and around the cylinder.
Files	DKRThesis.pdf