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Sayed Ahmed ELsayed Sayed

Faculty Engineering - Department Mechanical Power Engineering

Scientific degrees

MSc In NULL, [1972]
(Mechanical air dryer)
BSc In NULL, [1972]
PhD In NULL, [1978]
(Heat and Mass Transfer in the condensate water Marada)

الحالة الوظيفية الحالية :

قائم بالعمل

Academic Jobs

Doctor : 20/8/1979
Professor Assisant : 19/8/1987
Professor : 15/11/1994

Publications

1 - An experimental investigation of heat transfer around a pair of circular cylinders normal to a stream

2 - Nucleate pool boiling form plain and enhanced single tube to R12 and R134A for air-conditioning evaporators

3 - Experimental study of air-cooling and dehumidification around elliptic tubes bank in a cross- flow heat exchanger

4 - Experimental study of heat transfer intensification for boiling of nonazeotropic. mixture R22/R142B on tubes surfaces

5 - Results of experimental study of heat transfer intensification process for boiling of refrigerant mixture on tubes surfaces

6 - Free convection from a constant heat flux elliptic tube

7 - Comparative study and thermodynamical evaluation of heat pump refrigerants

8 - A study of ozone flame structure

9 - Static and dynamic performance of pilot hydraulic relief valves

10 - Flow through capillary tubes of different geometries and its effect on heat pump performance

11 - Thermoelectric refrigerator powered by photovoltaic solar cells

12 - A simplified method for the calculation of double-pipe condenser containing inert gas

13 - The effect of the vapour velocity on the process of condensation through a ring- shaped channel

14 - Compution of some thermophyscial properties of the freon mixtures in vapour phase

15 - The influence of packing geometry on the evaporative air- cooling and humidifcation process in a cross- flow spray chamber

16 - the use of chromatography in the study of heat and mass transfer process in cooling

17 - Heat transfer during the process of film condensation for moving vapor of R12 and R21

18 - On the simultaneous heat and mass transfer in a cross-flow spray chamber

19 - On critical diameter of insulation for refrigeration pipes

20 - Static characteristic of refrigerating machine

21 - A modified direct automated procedure for friction less thermoplastic contact problems

22 - Finite ellment analysis of the effect of hydrodynamic lubricants on friction contact properties of adjacent bodies

23 - of approach- flow velocity and temperature non- uniformities on the flow and heat transfer over flat plate

24 - Numerical solution of lamuar flow and heat transfer over a flat plate in a nonuniform stream

25 - Experimental investigation of the performance of a cross- Flow heat exchange with bundle of semi- circular tubes

26 - Evaporation of liquids from a partially filled container in turbulent air- stream

27 - The interference effect of a wall on the flow around two circular cylinders arranged in tandem

28 - Heat pump and energy recovery in air- conditioning system

29 - Block bond graph and tutsim. Apowerfull tool for nonlinear dynamic systems modeling and simulation

30 - The effect of thermophyscial properties of refrigerants on heat pump performance

31 - Heat transfer characteristics and entropy generation for wing-shaped-tubes with longitudinal external fins in cross-flow (2016).

32 - Experimental and numerical study on thermal-hydraulic performance of wing-shaped-tubes-bundle equipped with winglet vortex generators (2018).

33 - Heat transfer performance evaluation in circular tubes via internal repeated ribs with entropy and exergy analysis (2018).

34 - Heat transfer performance evaluation in circular tubes via internal repeated ribs with entropy and exergy analysis (2018).

35 - Thermal performance augmentation of a semi-circular cylinder in crossflow using longitudinal fins (2021).

Research Area

هندسة القوى الميكانيكية