Numerical Investigation of Cooling of Electronic Servers Racks at Different Locations and Spacing from the Data Center Cooling Unit Numerical investigation and parametric study for thermal and energy management enhancements in data centers buildings CFD investigations of data centers’ thermal performance for different configurations of CRACs units and aisles separation Effect of CRAC units layout on thermal management of data center Performance and energy consumptions of split type air conditioning units for different arrangements of outdoor units in confined building shafts Comprehensive study on the effects of plenum depths on air flow and thermal managements in data centers Solutions of thermal performance problems of installing AC outdoor units in buildings light wells using mechanical ventilations An Experimental work on the Effect of Using New Technique of Thermal Energy Storage of Phase Change Material on the Performance of Air Conditioning Unit A study on the Thermal Energy Storage of Different Phase Change Materials incorporated with the Condenser of Air-Conditioning Unit and their Effect on the Unit Performance Parametric study on the effect of using cold thermal storage energy of phase change material on the performance of air-conditioning unit Effect of using nanoparticles on the performance of thermal energy storage of phase change material coupled with air-conditioning unit An Experimental work on the Effect of Using New Technique of Thermal Energy Storage of Phase Change Material on the Performance of Air Conditioning Unit Impact of energy storage of new hybrid system of phase change materials combined with air-conditioner on its heating and cooling performance