U. Jamil Ur Rahman (Umair)


Over mij

I am a PDEng student, working on the design of optimum flow conditions for spray drying of milk in a vortex chamber.

In 2011, I obtained my BSc degree in Chemical Engineering from University of the Punjab, Pakistan. In 2015, I completed my MSc degree in Chemical and Energy Engineering at the Otto von Guericke University, Germany. The master thesis topic was based on a numerical study of penetration depth for different fuels (methane, biogas, methanol) in a PFR (Parallel Flow Regenerative) shaft kiln.


Vortex Flow
Flow Patterns
Computational Fluid Dynamics
Spray Drying
Driers (Materials)
Temperature Distribution


My research is on the design and optimization of air flow and spray conditions for milk in a lab scale vortex chamber spray dryer. The high temperature and high-G acceleration in vortex chamber intensifies the heat, mass and momentum transfer. This leads to reduction in investment costs, energy savings, operational flexibility and product innovation.

This research focuses on developing a CFD model that provides insights to the complex multiphase flow inside the dryer. The model can then be used to design experiments and provide scale up rules.

Pure Link



Universiteit Twente
Faculteit Engineering Technology
Horst Complex (gebouwnr. 20), kamer N226
De Horst 2
7522LW  Enschede

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Universiteit Twente
Faculteit Engineering Technology
Horst Complex  N226
Postbus 217
7500 AE Enschede