WORALL, M,, OMER, S., RIFFAT, S. and B., 2011. A hybrid jet-pump CO2 compression system for transport refrigeration International Journal of Low Carbon Technologies. 6(2), OMER, A. M. and OMER S. A. & RIFFAT S. B., 2011. Potential of the direct expansion ground source heat pump systems Journal of Energy and Power Engineering. 4(1 (26)),
VARGA, S, OMER, SA, OLIVIERA, AC, MA, X and ZHANG, W AND RIFFAT, SB, 2011. Experimental and numerical analysis of a variable area ratio steam ejector International Journal of Refrigeration. 1 - 8 XIAOLI MA, S A OMER AND S B RIFFAT, 2010. Integration of Solar-Driven Ejector Cooling System into Buildings-A Case for Mediterranean Building Style In: 9th International Conference on Sustainable Energy Technologies, Shanghai, China, 24-27 August, 2010.
XIAOLI MA, WEI ZHANG, S A OMER AND S B RIFFAT, 2010. Performance Testing of a Novel Ejector Refrigerator for various Controlled Conditions International Journal of Energy Research. Article in press, (In Press.)
ABDALLA ELZAIDABI and S. OMER AND S. RIFFAT, 2010. A novel combined wind catcher psychometric energy core indirect evaporative cooling system International Journal of Low-Carbon Technologies. (In Press.)
GARBA M. M, OMER S.A and GILLOT M. AND RIFFAT S.B, 2010. Performance Evaluation of a Standalone PV Integrated Hybrid Solar Clothe Drying System International Journal of Low-Carbon Technologies. OMER, AM AND OMER, SA, 2009. Opportunities For Renewable Energy in Rural Communities of Sudan. In: LESZEK KOWALCZYK AND JAKUB PIOTROWSKI, ed., International Development and Directors: Energy Costs Nova Science Publishers, Inc. 1-37
MA, XAIOLI and OMER, SA, RIFFAT, SB AND HANG WEI, 2009. Investigation of energy Transportation Capability of a Phase Change Slurry Through a Cold Storage-Cooling coil system International Journal of Energy Research,. 33(11), 999 - 1004 ELZAIDABI, A. A., OMER, S. A. and RIFFAT, S. B., 2008. Experimental Evaluation of a Novel Combined Wind Catcher: Indirect Evaporative Cooling System for Cooling Application in Buildings In: 7th International Conference on Sustainable Energy Technologies, ; Seoul, Korea, 24 - 27 August 2008.. 952
GARBA, M. M., OMER, S. A., ELZAIDABI, A. and RIFFAT, S. B., 2008. An Improved Solar cooker for application in Developing Countries: Technical Performnace and Cost Considerations In: 7th International Conference on Sustainable Energy Technology, Seoul, Korea. 24 - 27 August 2008.. 730
ELZAIDABI, A. A., OMER, S. A., XIAOLI, M and RIFFAT, S. B., 2008. Experimental Performance of a Novel Liquid Desiccant Dehumidification System In: 7th International Conference on Sustainable Energy Technologies, 24 - 27 August, Seoul, Korea, Set 2008. 1765 - 1772
ROGGERS, T., OMER, S. A. and RIFFAT, S. B., 2008. A CFD Investigation inot the Wind FLow Around Several Generic Building Types Situated within a Built Environment In: 7th International Conference on Sustainable Energy Technologies, Seoul, Korea, 24 - 27 August 2008. 1055
GARBA, M. M., OMER, S. A., GILLOT, M. and RIFFAT, S. B., 2008. Design, Construction and experimental Evaluation of Hybrid Solar Clothes Drying System In: 7th International Conference on Sustainable Energy Technologies, SET 2008, Seoul, Korea. 24 - 27 August 2008, pp. 2002. 2002
OMER, S.A., RIFFAT, S.B. and QIU, G, 2007. Thermal insulation for hot water cylinders: a review and a conceptual evaluation Building Services Engineering Research and Technology. 28(3), 275-293 OMER, A. M. and OMER, S. A., 2007. Wind Energy in Sudan for Water Pumping: in Rural Areas International Energy Journal. 8, 275 - 284 OMER, S.A., QUI, G. and RIFFAT, S., 2004. A numerical study of an integrated solar collector storage tank using transparent insulation panel and heat mirror coating In: The 3rd International Conference on Sustainable Energy Technologies.
OMER, S., WILSON, R. and RIFFAT, S., 2002. Comparative design and monitoring of PV systems on a domestic and educational building In: World Renewable Energy Congress VII.
OMER, S., WILSON, R. and RIFFAT, S., 2001. Comparative design and monitoring of PV systems on a domestic and an educational building In: NORSUN2001.
OMER, S., WILSON, R. and RIFFAT, S., 2001. PV in practice: a case study of two PV systems installed on a domestic and an educational building In: CIBSE National Conference Part 1.
OMER, S. A. and INFIELD, D. G., 1998. Design optimization of thermoelectric devices for solar power generation Solar energy materials and solar cells. VOL 53(ISSUE 1-2), 67-82