Date of Award

4-2024

Degree Name

Master of Science in Engineering

Department

Mechanical and Aerospace Engineering

First Advisor

Tianshu Liu, Ph.D.

Second Advisor

William Liou, Ph.D.

Third Advisor

Javier Montefort, Ph.D.

Keywords

Finite base, heat flux, impinging jet, inverse heat transfer, self-similarity, temperature-sensitive paint

Access Setting

Masters Thesis-Open Access

Abstract

This study investigates the consistent features of heat flux patterns on surfaces impacted by jets at various Mach numbers, ranging from 0.1 to 1.0. It utilizes temperature-sensitive paint (TSP) analysis to examine how these patterns change. The research also explores the presence of self-similarity in both the fluctuation of heat flux and skin friction patterns, which are derived from temperature and heat flux data. A semi-empirical model is proposed to explain this self-similarity, suggesting that Mach number primarily affects heat flux patterns through the recovery temperature at the impact site.

Understanding the self-similarity of heat flux patterns across different Mach numbers in oblique jet impacts has significant implications for engineering applications. Additionally, it can contribute to the advancement of industrial processes involving heat transfer, such as the design of heat exchangers or cooling systems for high-speed machinery. Essentially, this study provides valuable insights into the underlying mechanisms governing heat transfer in complex flow configurations, with potential applications across various engineering disciplines.

Download

Share

COinS