Date of Award
7-11-2015
Publication Type
Master Thesis
Degree Name
M.A.Sc.
Department
Mechanical, Automotive, and Materials Engineering
First Advisor
Barron, Ron
Second Advisor
Balachandar, Rambala
Keywords
Computational fluid dynamics (CFD), Convergence criteria, Internal gear pumps, Internal relief valve, Meshing, Relaxation factors
Rights
info:eu-repo/semantics/openAccess
Creative Commons License
This work is licensed under a Creative Commons Attribution-Noncommercial-No Derivative Works 4.0 License.
Abstract
Relief valves are widely used in the process industry. Their ultimate role is to mitigate adverse conditions that would jeopardize safety and incur catastrophic losses, especially with respect to human life. The primary focus of this research is to investigate the performance of relief valves, with the specific objective of reducing the cracking to full by-pass pressure in internal relief valves of positive displacement pumps. Two and three-dimensional computational fluid dynamics (CFD) models of an external relief valve are developed and used to evaluate the effects of the mesh, numerical parameters and boundary conditions on the results, including flow pressure and velocity field. Knowledge gained from the external relief valve study has guided the internal relief valve simulations, particularly with regards to sensitivity of the results to the mesh and other numerical settings. Numerical simulations were performed utilizing the CFD codes: ANSYS Fluent and STAR-CCM+.
Recommended Citation
Henry, Yohance Bakari, "Improved Internal Relief Valve Performance Through Study Of Reduced Cracking To Full By-Pass Pressure Using CFD Simulation" (2015). Electronic Theses and Dissertations. 5325.
https://scholar.uwindsor.ca/etd/5325