Ashraf Ibrahim Kotb Ibrahim

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Ashraf Ibrahim Kotb Ibrahim

Associate Professor at Mechanical Power Engineering

Career Information

Associate Professor at : 2016-04-27
Assistant Professor at : 2005-12-26
Teacher Assistant at : 2000-03-28
Demonstrator at : 1996-01-02

Academic Information

Email : ashraf_ibrahim@eng.asu.edu.eg
Graduation : 1995 From Faculty of Engineering , Ain shams University

Articles

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

Publications

  1. A. Gad El-Mawla, A. Morgan, M. I. Hassan, A. E. Kotb, " Dynamic Simulation of Rocket Engine ", Ain Shams University, Faculty of Engineering, Scientific Bulletin, 1999
  2. A. Gad El-Mawla, M. M. Abo El-Nasr, A. E. Kotb, " Enhancement of Heat Transfer in Fluidized Bed Combustor Using Heat Pipe-Heat Exchanger ", Ain Shams University, Faculty of Engineering, Scientific Bulletin, 2005
  3. Ashraf E. Kotb, " Mathematical Model of Batch Fluidized Bed Dryer ", Ain Shams University of Mechanical Engineering ASJME, 2009
  4. Ashraf E. Kotb, " Activation Time of Ionization Smoke Detector ", Ain Shams University of Mechanical Engineering ASJME, 2010
  5. Ashraf E. Kotb, " Hourly Analysis for Outdoor Swiming Pool Heating Load ", Journal of Al Azhar University - Engineering Sector, 2011
  6. Ashraf Kotb, " Effect of Combustion Tempering By Steam Injection on the Power Augmentation and NOx Emissions of Gas Turbine ", Engineering and Scientific Reasearch Journal - Faculty of Engineering at Shoubra, 2011
  7. 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, 2012
  8. Ashraf Kotb, " Dynamic Simulation of Unglazed Transpired Solar Collector ", Engineering Research Journal - Faculty of Engineering, Helwan University, 2012
  9. Ashraf Kotb, " Exprimental Investigation of Initial Pressure Drop Avross HVAC Air Filters ", Journal of Al Azhar University - Engineering Sector, 2012
  10. Kotb A., " Simulation of External Ice Formation on Horizontal Tube for Thermal Energy Storage in HVAC Systems ", Engineering Research Journal - Faculty of Engineering, Helwan University, 2012
  11. Ashraf Kotb, " Determination of Optimum Height for Counter Flow Cooling Tower ", Asian Journal of Applied Science and Engineering,, 2013
  12. Ashraf Kotb, Ahmed Adel, " EXPERIMENTAL INVESTIGATION OF CHEMICAL CLEANING OF BOILERS USING DIFFERENT TYPES OF CHEMICAL AGENTS AND CONCENTRATIONS ", ERJ-Faculty of Engineering at Shoubra, 2013
  13. Ashraf Kotb, " Hourly Simulation of Parabolic Trough Solar Collector with Simultaneous Solar Radiation and Weather Conditions during Sunshine Period in Cairo-Egypt ", IOSR Journal of Engineering (IOSRJEN), 2013
  14. Ashraf Kotb, A. M. Abd El Aziz, " Scientific Investigation on the Claims of the Magnetic Water Conditioners ", J. Int. Environmental Applications & Science, 2013
  15. Ashraf Kotb, " Magnetized Water and Memory Meter ", Energy and Power Engineering, 2013
  16. A. Kotb, H. E. Saad, " Experimental Investigation for the Magnetic-Caloric Effect on the Refrigeration Cycle Performance ", Scholars Journal of Engineering and Technology (SJET), 2014
  17. Ashraf Kotb, " Steam Injection and GT Performance - Investigating The Effects of Power Augmentations and NOx Emissions ", The Global Journal of Energy Equipmet - International Tubromachinery, 2015
  18. A. M. Abdulaziz, Ashraf Kotb, " Detection of pump cavitation by vibration signature ", Australian Journal of Mechanical Engineering, 2015
  19. Ashraf Kotb, Abdulaziz Morgan Abdulaziz, " Cavitation Detection in Variable Speed Pump by Analyzing the Acoustic and Vibration Spectrums ", Engineering, 2015
  20. Ashraf Kotb, Abdulaziz Morgan Abdulaziz, " Experimental Measurements of Overall Vibro-Acoustic and Cavitation Indicator for Detection of Pump Cavitation ", WORLD SCIENTIFIC and ENGINEERING ACADEMY and SOCIETY - WSEAS Transactions on Applied and Theoretical Mechanics., 2015
  21. 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 ", ERJ-Faculty of Engineering at Shoubra, 2016
  22. Ashraf Kotb, Abdulaziz Morgan Abdulaziz, " Investigating the Validity of Acoustic Spectrum as a Prediction Tool for Pump Cavitation ", Energy and Power Engineering,, 2015
  23. 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, 2016
  24. Ashraf Kotb, Hany Saad, " Case study for co and counter swirling domestic burners ", Case Studies in Thermal Engineering, 2018
  25. Moustafa Swelam, Ashraf Kotb, A.M. Abdulaziz, " Acoustic diagnosis of cavitation for centrifugal pumps of different materials ", Faculty of Engineering-Mataria, Engineering Research Journal, 2019
  26. Ashraf Kotb, Mahmoud M. Kamal, Amr Baghdady, Hany Saad, " Case study for swirling flow and porous media on triple coaxial ports inverse diffusion flame ", Alexandria Engineering Journal, 2022
  27. M. M. Kamal, A. Kotb, H. E. Saad, A. Baghdady, " Parametric study of triple coaxial ports inverse diffusion flame ", IOSR Journal of Engineering (IOSRJEN), 2016
  28. Ashraf Kotb, Hamada G. Askar, Hany Saad, " ON the impingement Heat Transfer Using Swirled Air Jet ", Frontiers in Mechanical Engineering - Heat Transfer Mechanisms and Applications, 2023
  29. Kotb, A. and Saad, H, " Simplified Applicable Model for Fire Tube Boiler ", Energy and Power Engineering, 2024
  30. Elsayed M. A. Elbeshbeshy, Hamada G. Asker, Mahmoud M. Kamal, Ashraf Kotb, Hany Saad, Ahmed Sedki, " Parametric effects on the heat transfer within a tri-hybrid nanofluid over an inclined and stretching surface ", High Technology Letters, 2025
  31. Elsayed M. A. Elbeshbeshy, Hamada G. Asker, Mahmoud M. Kamal, Ashraf Kotb, Hany Saad, Ahmed Sedki, " Effects of Thermal Radiation and Pressure Work on Magneto Marangoni Fluid Flow over a Circular Surface ", International Journal of Mechanical Engineering and Technology (IJMET), 2025