Lizan Mahmood Khorsheed Zangan

  • Country of Origin: Iraq
  • Home University: Salahaddin University Erbil
  • Host University & Country: University of Birmingham - United Kingdom
  • PhD Title: Study of Energy Separation in Counter Flow Vortex Tube
  • Year of Completion: 2020
Lizan Mahmood Khorsheed Zangan

PhD Overview

Experimental and computational fluid dynamics (CFD) technique is used to study a newly designed Ranque-Hilsch vortex tube (RHVT), such as a convergent-divergent one. The FLUENT code is used to solve the governing equations with three dimensional compressible and turbulent models using the standard k-ε turbulence model. In this study, based on obtained results by the CFD study, the investigation point of the minimum temperature of cold reversed flow is analyzed, and results show that the minimum cold temperature is not located exactly in the cold exit of the vortex tube. Finally, in order to attain more temperature separation in the vortex tube system, some suggestions and results are presented. Moreover, a comparison of a convergent-divergent vortex tube with the simple one and their influence on the maximum cooling point are some other results presented in this manuscript. There is an acceptable agreement between CFD and experimental results in the present paper. The obtained results show that reducing the throat diameter from 8 to 2.5 enhances the amount of cooling capacity in the vortex tube.

Sustainability Goals

  • Affordable and Clean Energy
  • Industry, Innovation and Infrastructure

About Me

Dr. Lizan Zangan was born in Kirkuk, Iraq. She obtained her B.Sc. and M.Sc. degrees in Mechanical Engineering – Thermal Power from the University of Mosul in 2009 and 2013, respectively. In 2020, she earned her Ph.D. in Mechanical Engineering – Thermal Power from Salahaddin University–Erbil. Dr. Zangan is currently a Lecturer in the Department of Chemical and Petrochemical Engineering, where she actively supports and mentors female engineering students through both academic and practical engagement. In addition to her teaching responsibilities, she has made valuable contributions to the scientific community through the publication of several research papers in her area of expertise. She also holds a part-time academic support position at Al-Kitab University, where she assists students with their engineering studies and research activities. Her research and professional interests include thermal systems, energy efficiency, and the advancement of women in engineering education. https://scholar.google.com/citations?user=lMRdQ-gAAAAJ&hl=en