اشرف ابراهيم قطب ابراهيم

أستاذ مساعد في هندسة القوى الميكانيكية

المعلومات المهنية

المعلومات الدراسية

المقالات والدوريات

1. A. Gad El-Mawla, A. Morgan, M. I. Hassan and A. E. Kotb, “Dynamic Simulation of Rocket Engine”, Ain Shams University, Faculty of Engineering, Scientific Bulletin, Vol. 34, No. 4, 735:744, 1999.
2. A. Gad El-Mawla, M. M. Abo El Nasr and A. E. Kotb, “Enhancement of Heat Transfer in Fluidized Bed Combustor Using Heat Pipe-Heat Exchanger”, Ain Shams University, Faculty of Engineering, Scientific Bulletin, Vol. 40, No. 1, 909:941, 2005.

3. Ashraf E. Kotb, “Mathematical Model of Batch Fluidized Bed Dryer”, Ain Shams Journal of Mechanical Engineering ASJME, Vol. 1, No. 1, 49:57, 2009.
4. Ashraf E. Kotb, “Activation Time of Ionization Smoke Detector”, Ain Shams Journal of Mechanical Engineering ASJME, Vol. 2, 79:84, 2010.
5. Ashraf E. Kotb, “Hourly Analysis for Outdoor Swimming Pool Heating Load”, Journal of Al Azhar University Engineering Sector JAUES, Vol. 6, No. 18, 69:76, 2011.
6. Ashraf E. Kotb, “Modeling of LiBr-H2O Absorption Chiller Based on First and Second Laws of Thermodynamics for Vehicle Air Conditioning”, Journal of Al Azhar University Engineering Sector JAUES, Vol. 7, No. 22, 223:239, 2012.
7. Ashraf E. Kotb, “Experimental Investigation of Initial Pressure Drop Across HVAC Air Filters”, Journal of Al Azhar University Engineering Sector JAUES, Vol. 7, No. 23, 889:898, 2012.
8. Ashraf E. Kotb, "Dynamic Simulation of Unglazed Transpired Solar Collector", Engineering Research Journal, Helwan University, Faculty of Engineering (Mataria), Vol. 133 (March 2012), M15:M31, 2012.
9. Ashraf E. Kotb, “Mathematical Model of External Ice Formation on Horizontal Tube for Thermal Storage for HVAC Systems”, Engineering Research Journal, Helwan University, Faculty of Engineering (Mataria), Vol. 134 (June 2012), M1:M9, 2012
10. Ashraf E. Kotb, "Effect of Combustion Tempering by Steam Injection on the Power Augmentation and NOx Emissions of Gas Turbine”, Engineering and Scientific Research Journal, Faculty of Engineering (Shoubra), Benha University, Vol. 15, July 2011.
11. Ashraf Kotb and Ahmed Adel, “Experimental Investigation of Chemical Cleaning of Boilers Using Different Types of Chemical Agents and Concentrations”, Engineering and Scientific Research Journal, Faculty of Engineering (Shoubra), Benha University, Vol. 18, 78:87, 2013.
12. Ashraf Kotb, “Determination of Optimum Height for Counter Flow Cooling Tower”, Asian Journal of Applied Science and Engineering AJASE, ISSN 2305-915X, Volume 2, No 2, 33:47, 2013.
13. Ashraf Kotb, “Hourly Simulation of Parabolic Trough Solar Collector with Simultaneous Solar Radiation and Weather Conditions During Sunshine Period in Cairo-Egypt”, Journal of Engineering IOSRJEN – The Unit of International Organization of Scientific Research IOSR, ISSN: 2278-8719, Volume 5, No 3, 45:62, 2013.
14. Ashraf Kotb, “Magnetized Water and Memory Meter”, Energy and Power Engineering Journal (EPE)-(Scirp), Vol.5, No. 5,422:426, 2013.
15. Ashraf Kotb and A. M. Abed El Aziz, “Scientific Investigations on the Claims of the Magnetic Water Conditioners”, Journal of International Environmental Applications and Science (Jieas), Vol.8,384:396, 2013.
16. A.M. Abdulaziz and Ashraf Kotb, “Detection of Pump Cavitation by Vibration Signature”, Australian Journal of Mechanical Engineering AJME, Taylor & Francis (ID: 1093261 DOI:10.1080/14484846.2015.1093261)
17. A.M. Abdulaziz and Ashraf Kotb, “Experimental Measurements of Overall Vibro-Acoustic and Cavitation Indicator for Detection of Pump Cavitation”, WSEAS Transactions on Applied and Theoretical Mechanics, “Accepted for Publication”, 2015.
18. Ashraf Kotb, “Gas Turbines – Steam Injection and GT Performance, Investigating The Effect on Power Augmentation and NOx Emissions”, Turbomachinery International, May/June 2015, Volume 56Number 3, 32:33, 2015.
19. Kotb, A. and Abdulaziz, A.M. (2015) Cavitation Detection in Variable Speed Pump by Analyzing the Acoustic and Vibration Spectrums. Engineering (Scirp), 7, 706-716. http://dx.doi.org/10.4236/eng.2015.710062.
20. Kotb, A. and Abdulaziz, A.M. (2015) Investigating the Validity of Acoustic Spectrum as a Prediction Tool for Pump Cavitation. Energy and Power Engineering, 7, 575-583. http://dx.doi.org/10.4236/epe.2015.713054
21. A. Kotb and H. E. Saad, “Experimental Investigation for the Magnetic-Caloric Effect on the Refrigeration Cycle Performance”, Scholars Journal of Engineering and Technology (SJET), Sch. J. Eng. Tech., 2(3A):339-347, 2014.
22. Hany Shaker, Ashraf Kotb, A M Abdul Aziz, S M Abdel Ghany, “Study The Effect of Changing the Load on The Performance of Combined Cycle”, Engineering and Scientific Research Journal, Faculty of Engineering (Shoubra), Benha University, (Accepted for Publication).

23. M. M. Kamal, A. Kotb, H. E. Saad, A. Baghdady, “Parametric study of triple coaxial ports inverse diffusion flame”, IOSR Journal of Engineering (IOSRJEN) ISSN (e): 2250-3021, ISSN (p): 2278-8719 Vol. 06, Issue 09 (Sep. 2016), ||V1|| PP 49-63
24. Ashraf Kotb, Hany Saad, “A comparison of the thermal and emission characteristics of co and counter swirl inverse diffusion flames”, International Journal of Thermal Sciences 109 (2016) 362-373
25. Ashraf Kotb, Hany Saad, “Case study for co and counter swirling domestic burners”, Case Studies in Thermal Engineering 11 (2018) 98–1