Meet Abdulabdul-profile

Name: Abdul Qadir
Research interest: Liquid-Air Transpired Solar Collector Liquid desiccant air conditioning and Humidification Dehumidification (HDH) Desalination

Research Summary

A novel Liquid Air Transpired Solar Collector (LATSC) has been proposed in this thesis for which a numerical model is developed followed by empirical testing. Sensitivity analysis has been performed on the numerical model of the LATSC for varying air thermal capacitance rate, water thermal capacitance rate, plate emissivity, wind speed, solar radiation, inlet water temperature and ambient air temperature. A numerical model of a falling film type liquid desiccant regenerator (LDR) has been developed and combined with the LATSC model to evaluate the performance of the combined system under varying air, water and desiccant flow rates. It was observed that as the total thermal capacitance rate of air and water is increased, a lower air thermal capacitance ratio is required for optimal performance. The combined LATSC
and LDR model has also been optimized for typical Abu Dhabi conditions. The optimized thermal capacitance rate of air and water were found to be 10.979 W/m2-K and 38.655 W/m2-K respectively while the optimal desiccant mass flow rate per unit of regenerator and collector area was found to be 0.00016645 kg/s-m2.

Abdul’s Work


Schematic of LATSC supplying heat to two processes.  Processes that require both hot air and hot water may be the most promising applications of LATSC.


Flow Conditioner


Windtunnel setup


Schematic of LATSC coupled with LDR and an ideal stratified storage tank.


A. Qadir and P. Armstrong, Liquid-Air Transpired Solar Collector: Model Development and Sensitivity Analysis (in review), Journal of Solar Energy Engineering, (2011).

A. Qadir and P. Armstrong, Optimal Liquid Desiccant Regeneration by a Low Cost Unglazed Air and Water Heating Collector (in review), Solar Energy, (2011).