[56]      A.M. Abdelshafy, J. Jurasz, H. Hassan, A.M. Mohamed, Optimized energy management strategy for grid connected double storage (pumped storage-battery) system powered by renewable energy resources, Energy. 192 (2020) 116615. doi:10.1016/J.ENERGY.2019.116615.

[55]      A.R. Abd Elbar, H. Hassan, An experimental work on the performance of new integration of photovoltaic panel with solar still in semi-arid climate conditions, Renew. Energy. 146 (2020) 1429–1443. doi:10.1016/j.renene.2019.07.069.

[54]      A.M.A. Soliman, H. Hassan, M. Ahmed, S. Ookawara, A 3d model of the effect of using heat spreader on the performance of photovoltaic panel (PV), Math. Comput. Simul. 167 (2020) 78–91. doi:10.1016/j.matcom.2018.05.011.

[53]      A.A. Hawwash, H. Hassan, K. El, Impact of Reactor Design on the Thermal Energy Storage of Thermochemical Materials, Appl. Therm. Eng. (2019) 114776. doi:10.1016/j.applthermaleng.2019.114776.

[52]      H. Hassan, S. Abo-elfadl, M.F. El-Dosoky, An Experimental Investigation of the Performance of New Design of Solar Air heater (Tubular), Renew. Energy. (2019). doi:10.1016/j.renene.2019.11.112.

[51]      R. Elghamry, H. Hassan, A.A. Hawwash, A parametric study on the impact of integrating solar cell panel at building envelope on its power, energy consumption, comfort conditions, and CO2 emissions, J. Clean. Prod. (2019) 119374. doi:10.1016/J.JCLEPRO.2019.119374.

[50]      H. Hassan, Comparing the performance of passive and active double and single slope solar stills incorporated with parabolic trough collector via energy, exergy and productivity, Renew. Energy. (2019). doi:10.1016/j.renene.2019.10.050.

[49]      H. Khalil, H. Hassan, 3D study of the impact of aspect ratio and tilt angle on the thermoelectric generator power for waste heat recovery from a chimney, J. Power Sources. 418 (2019) 98–111. doi:10.1016/j.jpowsour.2019.02.020.

[48]      H.A. Nasef, S.A. Nada, H. Hassan, Integrative passive and active cooling system using PCM and nanofluid for thermal regulation of concentrated photovoltaic solar cells, Energy Convers. Manag. 199 (2019) 112065. doi:10.1016/j.enconman.2019.112065.

[47]      R. Elghamry, H. Hassan, Impact of window parameters on the building envelope on the thermal comfort, energy consumption and cost and environment, Int. J. Vent.  (2019) 1–27. doi:10.1080/14733315.2019.1665784.

[46]      M.A. Said, H. HASSAN, 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, Energy Build. 202 (2019) 109353. doi:10.1016/j.enbuild.2019.109353.

[45]      A. I. El-Seesy, H. Hassan, S. Ookawara, Influence of adding multiwalled carbon nanotubes to waste cooking oil biodiesel on the performance and emission characteristics of a diesel engine: an experimental investigation, Int. J. Green Energy. 16 (2019) 901–916. doi:10.1080/15435075.2019.1642895.

[44]      A.R.A. Elbar, H. Hassan, An experimental work on the performance of solar still incorporating with wind turbine and thermal energy storage unit, Desalin. Water Treat. 165 (2019) 24–34. doi:10.5004/dwt.2019.24492.

[43]      A.R. Abd Elbar, M.S. Yousef, H. Hassan, Energy, exergy, exergoeconomic and enviroeconomic (4E) evaluation of a new integration of solar still with photovoltaic panel, J. Clean. Prod. 233 (2019) 665–680. doi:10.1016/j.jclepro.2019.06.111.

[42]      A.I. EL-Seesy, H. Kosaka, H. Hassan, S. Sato, Combustion and emission characteristics of a common rail diesel engine and RCEM fueled by n-heptanol-diesel blends and carbon nanomaterial additives, Energy Convers. Manag. 196 (2019) 370–394. doi:10.1016/j.enconman.2019.05.049.

[41]      A.R. Abd Elbar, H. Hassan, Experimental investigation on the impact of thermal energy storage on the solar still performance coupled with PV module via new integration, Sol. Energy. 184 (2019) 584–593. doi:10.1016/j.solener.2019.04.042.

[40]      A.M.A. Soliman, H. Hassan, Effect of heat spreader size , microchannel con figuration and nanoparticles on the performance of PV-heat spreader-microchannels system, Sol. Energy. 182 (2019) 286–297. doi:10.1016/j.solener.2019.02.059.

[39]      M.S. Yousef, H. Hassan, Assessment of different passive solar stills via exergoeconomic , exergoenvironmental , and exergoenviroeconomic approaches : A comparative study, Sol. Energy. 182 (2019) 316–331. doi:10.1016/j.solener.2019.02.042.

[38]      H. Khalil, H. Hassan, Enhancement thermoelectric generators output power from heat recovery of chimneys by using flaps, J. Power Sources. 443 (2019) 227266. doi:10.1016/j.jpowsour.2019.227266.

[37]      M.S. Yousef, H. Hassan, H. Sekiguchi, Energy , exergy , economic and enviroeconomic ( 4E ) analyses of solar distillation system using different absorbing materials, Appl. Therm. Eng. 150 (2019) 30–41. doi:10.1016/j.applthermaleng.2019.01.005.

[36]      H. Hassan, M.A. Salem, M. Fathy, Experimental work on the effect of saline water medium on the performance of solar still with tracked parabolic trough collector, Renew. Energy. 135 (2019) 136–147. doi:10.1016/j.renene.2018.11.112.

[35]      M.S. Yousef, H. Hassan, An experimental work on the performance of single slope solar still incorporated with latent heat storage system in hot climate conditions, J. Clean. Prod. 209 (2019) 1396–1410. doi:10.1016/j.jclepro.2018.11.120.

[34]      A. Eldesoukey, H. Hassan, 3D model of thermoelectric generator (TEG) case study: Effect of flow regime on the TEG performance, Energy Convers. Manag. 180 (2019) 231–239. doi:10.1016/j.enconman.2018.10.104.

[33]      M.S. Yousef, H. Hassan, Energetic and exergetic performance assessment of the inclusion of phase change materials (PCM) in a solar distillation system, Energy Convers. Manag. 179 (2019) 349–361. doi:10.1016/j.enconman.2018.10.078.

[32]      M.A. Said, H. Hassan, Parametric study on the effect of using cold thermal storage energy of phase change material on the performance of air-conditioning unit, Appl. Energy. 230 (2018) 1380–1402. doi:10.1016/j.apenergy.2018.09.048.

[31]      A.I. EL-Seesy, H. Hassan, Investigation of the Effect of Adding Graphene Oxide, Graphene Nanoplatelet, and Multiwalled Carbon Nanotube Additives with n-Butanol-Jatropha Methyl Ester on a diesel engine performance, Renew. Energy. 132 (2018) 558–574. doi:10.1016/j.renene.2018.08.026.

[30]      A.M. Abdelshafy, H. Hassan, J. Jurasz, Optimal design of a grid-connected desalination plant powered by renewable energy resources using a hybrid PSO–GWO approach, Energy Convers. Manag. 173 (2018) 331–347. doi:10.1016/j.enconman.2018.07.083.

[29]      M.A. Said, H. Hassan, Effect of using nanoparticles on the performance of thermal energy storage of phase change material coupled with air-conditioning unit, Energy Convers. Manag. 171 (2018) 903–916. doi:10.1016/j.enconman.2018.06.051.

[28]      A.M.A. Soliman, H. Hassan, 3D study on the performance of cooling technique composed of heat spreader and microchannels for cooling the solar cells, Energy Convers. Manag. 170 (2018) 1–18. doi:10.1016/j.enconman.2018.05.075.

[27]      M.A. Said, H. Hassan, 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, Energy Build. 173 (2018) 353–364. doi:10.1016/j.enbuild.2018.05.041.

[26]      A.I. EL-Seesy, H. Hassan, S. Ookawara, Performance, combustion, and emission characteristics of a diesel engine fueled with Jatropha methyl ester and graphene oxide additives, Energy Convers. Manag. 166 (2018) 674–686. doi:10.1016/j.enconman.2018.04.049.

[25]      A.I. El-Seesy, H. Hassan, S. Ookawara, Effects of graphene nanoplatelet addition to jatropha Biodiesel–Diesel mixture on the performance and emission characteristics of a diesel engine, Energy. 147 (2018) 1129–1152. doi:10.1016/j.energy.2018.01.108.

[24]      M. Fathy, H. Hassan, A.M. Salem, Experimental study on the effect of coupling parabolic trough collector with double slope solar still on its performance, Sol. Energy. 163 (2018) 54–61. doi:10.1016/j.solener.2018.01.043.

[23]      H. Hassan, S. Abo-elfadl, Experimental study on the performance of double pass and two inlet ports solar air heater ( SAH ) at different configurations of the absorber plate, Renew. Energy. 116 (2018) 728–740. doi:10.1016/j.renene.2017.09.047.

[22]      H. Hassan, S. Harmand, Study of the parameters and characteristics of flat heat pipe with nanofluids subjected to periodic heat load on its performance, Int. J. Therm. Sci. 97 (2015) 126–142. doi:10.1016/j.ijthermalsci.2015.06.009.

[21]      H. Hassan, S. Harmand, An experimental work on the effect of the radius of rotation on the performance of revolving heat pipe (RVHP), Appl. Therm. Eng. 123 (2017) 537–545. doi:10.1016/j.applthermaleng.2017.05.133.

[20]      H. Hassan, S. Abo-Elfadl, Effect of the condenser type and the medium of the saline water on the performance of the solar still in hot climate conditions, Desalination. 417 (2017) 60–68. doi:10.1016/j.desal.2017.05.014.

[19]      H. Hassan, S. Harmand, Effect of Operating Parameters on the Heat Transfer and Liquid Film Thickness of Revolving Heat Pipe, Heat Transf. Eng. 38 (2017) 538–548. doi:10.1080/01457632.2016.1195175.

[18]      H. Hassan, S. Harmand, Effect of rotation speed on the temperature of starter alternator machine, Heat Mass Transf. 52 (2016) 197–204. doi:10.1007/s00231-015-1545-z.

[17]      H. Hassan, S. Harmand, An experimental and numerical study on the effects of the flat heat pipe wick structure on its thermal performance, Heat Transf. Eng. 36 (2015) 278–289. doi:10.1080/01457632.2014.916157.

 [16]     H. Hassan, S. Harmand, Effect of using nanofluids on the performance of rotating heat pipe, Appl. Math. Model. 39 (2015) 4445–4462. doi:10.1016/j.apm.2014.12.023.

 [15]     H. Hassan, S. Harmand, Study of the parameters and characteristics of flat heat pipe with nanofluids subjected to periodic heat load on its performance, Int. J. Therm. Sci. 97 (2015) 126–142. doi:10.1016/j.ijthermalsci.2015.06.009.

[14]      H. Hassan, Heat transfer of Cu-water nanofluid in an enclosure with a heat sink and discrete heat source, Eur. J. Mech. B/Fluids. 45 (2014) 72–83. doi:10.1016/j.euromechflu.2013.12.003.

[13]      H. Hassan, S. Harmand, 3D transient model of vapour chamber: Effect of nanofluids on its performance, Appl. Therm. Eng. 51 (2013) 1191–1201. doi:10.1016/j.applthermaleng.2012.10.047.

[12]      H. Hassan, An experimental work on the effect of injection molding parameters on the cavity pressure and product weight, Int. J. Adv. Manuf. Technol. 67 (2013) 675–686. doi:10.1007/s00170-012-4514-4.

[11]      H. Hassan, S. Harmand, A three-dimensional study of electronic component cooling using a flat heat pipe, Heat Transf. Eng. 34 (2013) 596–607. doi:10.1080/01457632.2013.730426.

[10]    H. Hassan, S. Harmand, Parametric Study of the Effect of the Vapor Chamber Characteristics on Its Performance, J. Heat Transfer. 135 (2013) 111008. doi.org/10.1115/1.4024613.

[9]         H Hassan, N Regnier, J George, G Defaye, A Proposed Technique to Improve the Filling of the Mold Cavity by Polymer During Injection Molding, Polym. Eng. Sci. 51 (2011) 1155–1165. DOI 10.1002/pen.21895.

[8]         S. Harmand, R. Sonan, M. Faks, H. Hassan, Transient cooling of electronic components by flat heat pipes, Appl. Therm. Eng. 31 (2011) 1877–1885. doi:10.1016/j.applthermaleng.2011.02.034.

[7]         H. Hassan, N. Regnier, C. Pujos, E. Arquis, G. Defaye, Modeling the effect of cooling system on the shrinkage and temperature of the polymer by injection molding, Appl. Therm. Eng. 30 (2010) 1547–1557. doi:10.1016/j.applthermaleng.2010.02.025.

[6]         H. Hassan, N. Regnier, C. Le Bot, G. Defaye, 3D study of cooling system effect on the heat transfer during polymer injection molding, Int. J. Therm. Sci. 49 (2010) 161–169. doi:10.1016/j.ijthermalsci.2009.07.006.

[5]         H. Hassan, N. Regnier, G. Defaye, A 3D study on the effect of gate location on the cooling of polymer by injection molding, Int. J. Heat Fluid Flow. 30 (2009) 1218–1229. doi:10.1016/j.ijheatfluidflow.2009.06.005.

[4]         G.D. H. Hassan, N. Regnier C. Pujos, G. Defaye, 3D Study on the Effect of Process Parameters on the Cooling of Polymer by Injection Molding, J. Appl. Polym. Sci. 114 (2009) 2901–2914. doi:DOI 10.1002/app.30812.

[3]         H Hassan, N. Regnier, C. Lebot, G. Defaye, Effect of Filling Stage on the Cooling System Design of Injection Molding, Polym. Eng. Sci. 49 (2009) 993–1003. doi:DOI: 10.1002/pen.21326.

[2]         H. Hassan, N. Regnier, C. Lebot, C. Pujos, G. Defaye, Effect of cooling system on the polymer temperature and solidification during injection molding, Appl. Therm. Eng. 29 (2009) 1786–1791. doi:10.1016/j.applthermaleng.2008.08.011.

[1]         H. Hassan N. Regnier C. Pujos G. Defaye, Effect of viscous dissipation on the temperature of the polymer during injection molding filling, Polym. Eng. Sci. 48 (2008) 1199–1206. doi:doi.org/10.1002/pen.21077.

1-   Ayman Eldesoukey and Hamdy Hassan, 3D Study for the Effect of using Micro heat Sink with Parallel Microchannels on the Performance of Thermoelectric Generators (TEG) in waste heat recovery Application, 18^th International Conference on Sustainable Energy Technologies 20^th – 22^nd August 2019m Kuala Lumpur, Malaysia.

2-   H. A. Nasef, S.A. Nada, Hamdy Hassan,

3-   Alaa Farah, Hamdy Hassan, Kenichi Kawabe, Toshiya Nanahara, Optimal Planning of Multi-Carrier Energy Hub System Using Particle Swarm Optimization, International Conference on Innovative Smart Grid Technologies (ISGT Asia 2019) China, Chengdu 21-24 May 2019.

4-   Ahmed Hawwash, Shinsuke Mori, Khalid El Feky, Hamdy HASSAN, Numerical Study for open Reactor Design Using Salt Hydrate, 2019 International Conference on Smart Power& Internet Energy Systems 25-27 April 2019, Deakin University, Melbourne, Australia

5-   Alaa Farah, Hamdy Hassan, kenichi Kawabe, Toshya Nanahara, Optimization for design micro energy grids using multi objective PSO, annual conference of institute of electrical Engineering IEE, Hokkaido  Japan, 12-14, Mars, 2019.

1.    Ahmed I. EL-Seesy, Hamdy Hassan, Alaa Dawood, Ali M.A. Attia, Hidenori Kosaka, Shinichi Ookawara, Investigation of the impact of adding titanium dioxide to jojoba biodiesel-diesel-n-hexane mixture on the performance and emission characteristics of a diesel engine, Internal combustion engine division fall technical conference, ICEF2018, November 4-7, 2018, San Diego, CA, USA

2.    Mohamed S.Yousef, Hamdy Hassan, S. Kodama b, and H. Sekiguchi, An experimental study on the performance of single slope solar still integrated with PCM-based pin-finned heat sink, 2018 5th International Conference on Power and Energy Systems Engineering, CPESE 2018, 19–21 September 2018, Nagoya, Japan

3.    Ahmed I. EL-Seesy, Hamdy Hassan and Hidenori Kosaka, Improving the Performance of a Diesel Engine Operated with Jojoba Biodiesel-Diesel-n-Butanol Ternary Blends, 2018 5th International Conference on Power and Energy Systems Engineering, CPESE 2018, 19–21 September 2018, Nagoya, Japan.

4.    Ahmed Abdo, Mahmoud Ahmed, Hamdy Hassan, and Shinichi ookawara, efficient operation of hybrid photovoltaic thermoelectric system combined with microchannel heat sink, 16th International Conference on Clean Energy (ICCE-2018) 9-11 May 2018, Famagusta, N. Cyprus.

5.    Mahmoud Said, Hamdy Hassan, Mahmoud Ahmed, and Shinichi ookawara, numerical study of using phase change material (PCM) to enhance the performance of air-conditioning (ac) unit, 16th International Conference on Clean Energy (ICCE-2018) 9-11 May 2018, Famagusta, N. Cyprus.

6.    Mohamed Fathy, M.Salem Ahmed, Hamdy Hassan, and El-Desouki Eid, Experimental Study on The Productivity of Double Slope Solar Still Coupled with Fixed Parabolic Trough Collector in The Winter Time, 2nd international conference on natural resources and renewable energy, Hurghada, Egypt, 23-26 April, 2018.

7.    Ayman Refaat, Hamdy Hassan, Shinichi Ookawara, A numerical study on the effect of the heat sink as condenser on the performance of passive solar still, 5^th International Conference on Renewable Energy Generation And Applications, United Arab Emirates, 26 -28, February 2018.

8.    Rania Elghamry, Hamdy Hassan, Mahmoud Ahmed, Shinichi Ookawara, Effect of the PV Position and Orientation on Energy Consumption in a Facility, 5^th International Conference On Renewable Energy Generation And Applications, United Arab Emirates, 26 -28, February 2018.

9.       Ramie Rabie, Hamdy Hassan, Mahmoud Ahmed, Shinichi Ookawara, Enhancement of Concentrated photovoltaic cooling using Phase change material by adding a bulk over regular configuration, 5^th International Conference On Renewable Energy Generation And Applications, United Arab Emirates, 26 -28, February 2018.

10.               Ahmed Elsisi, Hamdy Hassan, Shinichi Ookawara, The Effect of Nanoparticles Addition with Biodiesel-Diesel Fuel Blend on a Diesel Engine Performance and Emission Characteristics, 5^th International Conference on Renewable Energy Generation And Applications, United Arab Emirates, 26 -28, February 2018.

11.      Alaaeldin M. Abdelshafy, Hamdy Hassan, Abdelfatah M. MOHAMED, G. el-saady, Shinichi Ookawara, Optimal Grid Connected Hybrid Energy System for Egyptian Residential Area',  5^th International Conference on sustainable energy engineering and application (ICSEEA) Indonesia, Jakarta, 23-26, October 2017.

12.         A. Hawwash, Hamdy Hassan, Mahmoud Ahmed, S.Ookawara, Khalid El feky, and Aly M. A. Soliman, Long-term Thermal Energy Storage Using Thermochemical Materials, 4^th International Conference on Power and Energy Systems Engineering, CPESE 2017, 25-29 September 2017, Berlin, Germany.

13.         Ramy Rabie, Hamdy Hassan, Shinichi Ookawara, Mahmoud Ahmed, Performance enhancement the of concentrated photovoltaic using different phase change material configurations, 4^th International Conference on Power and Energy Systems Engineering, CPESE 2017, 25-29 September 2017, Berlin, Germany.

14.         Mohamed S. Yousef, Hamdy Hassan, Mahmoud Ahmed, and S. Ookawara, Energy and exergy analysis of single slope passive solar still under, Egyptian climate conditions, 4^th International Conference on Power and Energy Systems Engineering, CPESE 2017, 25-29 September 2017, Berlin, Germany.

15.      Alaa Farah, Hamdy Hassan, Abdelfatah M. Mohamed, G El-saady S.Ookawara, Optimal Sizing of Micro Energy grid Based on Multiobjective Particle Swarm Algorithm, 16^th International Conference on Sustainable Energy Technologies 17th - 20th of July 2017, Bologna, IT.

16.      Alaaeldin M. Abdelshafy, Hamdy Hassan, Abdelfatah M. MOHAMED, G. el-saady, Shinichi Ookawara, Multi-Objective Genetic Algorithm Optimal Planning and Scheduling of Hybrid Energy System Connected to the Egyptian Grid, 16^th International Conference on Sustainable Energy Technologies 17^th - 20th of July 2017, Bologna, IT.

17.      Mohamed S. Yousef, Hamdy Hassan, Mahmoud Ahmed and S. Ookawara, Exergetic performance assessment of a single slope passive solar distillation system, 16th International Conference on Sustainable Energy Technologies 17th - 20th of July 2017, Bologna, IT.

18.      Ismaila Haliru Zarmai, Hamdy Hassan, Mahmoud Ahmed, Shinichi Ookawara, Investigation on Enhancement of Thermal Conductivity of Phase Change Material with Nanoparticles Addition for Thermal Energy Storage, 16^th International Conference on Sustainable Energy Technologies - 20th of July 2017, Bologna, IT.

19.      A.A. Hawwash, Hamdy Hassan, Mahmoud Ahmed, S. Ookawara, Thermal energy storage using thermochemical materials, 16^th International Conference on Sustainable Energy Technologies - 20th of July 2017, Bologna, IT.

20.      Aly M.A. Soliman, Hamdy Hassan, Mahmood Ahmed, Shinichi Ookawara, 3D model on the effect of using heat spreader on the performance of photovoltaic panel (PV), fifth international conference on Emerging and Renewable Energy: Generation and Automation, Belfort, France, 4-7 July, 2017 (Award of best conference paper).

21.      Ahmed elseesy, Ali Kamel Abdelrahman, Hamdy Hassan, Shinichi Ookawara, Mashack Hawi, Investigation of the performance of a Diesel Engine Fueled by Biodiesel-Diesel Fuel Mixture with Addition of Nanoparticles, ASME, power energy conference, June 26-30, 2017, Charlotte, North Carolina, USA.

22.         Hamdy Hassan and Souad Harmand, Effet de l’excentricité sur le transfert de chaleur et l’épaisseur du film liquide dans un caloduc tournant, (SFT2014) conference, France, 719-724, June, 2014.

23.         Hamdy Hassan and Souad Harmand, effect rotation speed on the cooling of starter alternator machine, 16th International Middle East Power Systems Conference (MEPCON 2014) - Ain Shams University - Cairo – Egypt, December, 2014.

24.         Hamdy Hassan and Souad Harmand, Effect of eccentricity on the heat transfer and liquid film thickness of revolving heat pipe , International conference Heat Transfer and Fluid Flow in Microscale,(HTFFM-V) , 22-26, April, 2014.

25.         Hamdy Hassan and Souad Harmand, Optimization of region thicknesses of flat heat pipe, International conference of numerical analysis and applied mathematics, (ICNAAM,11),Rhodes, Greece, 2072-2075, September, 2013.

26.         Hamdy Hassan and Souad Harmand, effect of Cu-water nanofluid on the heat transfer of rotating heat pip, International conference of numerical analysis and applied mathematics, (ICNAAM,11), Rhodes, Greece, 2076-2079, September, 2013.

27.            Hamdy Hassan and Souad Harmand, A study on the cooling of electronic component by a flat heat pipe, International Conference on Renewable Energies and Power Quality (ICREPQ’11), Las Palmas de Gran Canaria, Spain, April, 2010.

28.         Hamdy Hassan, Nicolas Regnier, Jean Marie George and Guy Defaye, study of optimization of heat transfer in injection molding, analysis their effect on the final properties, Aquitane polymer conference, (APC2009), Arcachon, France, October, 2009.

29.         Hamdy Hassan, Nicolas Regnier, et Guy Defaye, L’effet de la position des canaux de refroidissement dans le procédé de moulage par injection de polymère thermoplastique, Etude numérique, SFGP2009 Conference, Marseille, France, 2009.

30.         Hamdy Hassan, Nicolas Regnier, and Guy Defaye, Effect of cooling channels position on the shrinkage of plastic material during injection molding, CFM2009, conference, Marseille France, 8, 2009.

31.         Hamdy Hassan, Nicolas Regnier, Cedric Le Bot, and Guy Defaye, L’effet de la position du seuil d’injection sur le refroidissement d’un polymère dans un moule d’injection, SFT2009, conference,Vannes ,France, 719-724, May, 2009.

32.         Hamdy Hassan, Nicolas Regnier, Jean marie George and Guy Defaye, Etude et Optimization des Transferts de Chaleur en Injection-Moulage, Analyse de Leur Influence sur les Propriétés Finales, Aquitane polymer conference, (APC2009) , Arcachon, Octobre, France, October, 2009.

33.            Hamdy Hassan, N. Regnier, C. Pujos, and G. Defaye, Effect of viscous dissipation on the polymer temperature during injection molding, 5th europian thermal science conference (EUROTHERM2008), Eindhoven, Netherlamd, 594-601, May, 2008.

34.               Hamdy Hassan, N. Regnier, C. Pujos, and G. Defaye, Effect of cooling system on the temperature distribution and solidification degree of polymer by injection molding, Heat Set conference (GRETH), Chambray, France, 511-520, April, 2007.

35.               Hamdy Hassan, N. Regnier, C. Pujos, and G. Defaye, Effect of the cooling channels position on the solidification degree of the polymer during injection moulding, 18^th mechanical France conference (CFM2007), Grenoble, France, 0556-0561, 8, 2007.

36.         Hamdy Hassan, N. Regnier, C. Pujos, and G. Defaye, Effect of the position and form of cooling channels on the temperature distribution of polymer during injection moulding, (SFGP 2007) conference, France, October, 2007.

[1]         A.M.A. Soliman, H. Hassan, S. Ookawara, An experimental study of the performance of the solar cell with heat sink cooling system, Energy Procedia. 162 (2019) 127–135. doi:10.1016/j.egypro.2019.04.014.

[2]         A.I. EL-Seesy, H. Hassan, Combustion characteristics of a diesel engine fueled by biodiesel-diesel-n-butanol blend and titanium oxide additives, Energy Procedia. 162 (2019) 48–56. doi:10.1016/j.egypro.2019.04.006.

[3]         M.S. Yousef, H. Hassan, S. Kodama, H. Sekiguchi, An experimental study on the performance of single slope solar still integrated with a PCM-based pin-finned heat sink, Energy Procedia. 156 (2019) 100–104. doi:10.1016/j.egypro.2018.11.102.

[4]        A.I. EL-Seesy, H. Hassan, H. Kosaka, Improving the performance of a diesel engine operated with jojoba biodiesel-diesel-n-butanol ternary blends, Energy Procedia. 156 (2019) 33–37. doi:10.1016/j.egypro.2018.11.079.

[5]         R. Rabie, H. Hassan, S. Ookawara, M. Ahmed, Performance enhancement of the concentrated photovoltaic using different phase change material configurations, Energy Procedia. 141 (2017) 61–65. doi:10.1016/j.egypro.2017.11.012.

[6]         M.S. Yousef, H. Hassan, M. Ahmed, S. Ookawara, Energy and exergy analysis of single slope passive solar still under Egyptian climate conditions, Energy Procedia. 141 (2017) 18–23. doi:10.1016/j.egypro.2017.11.005.

[7]        A.A. Hawwash, H. Hassan, M. Ahmed, S. Ookawara, K. El Feky, Long-term Thermal Energy Storage Using Thermochemical Materials, Energy Procedia. 141 (2017) 310–314. doi:10.1016/j.egypro.2017.11.111.

[8]      H., I.S. Taha, N.Y. Abdel Shafey, and A.Y. Turk, Three-Dimensional Transient Cooling of electronic Component in an Enclosure Enhanced by Heat Sink: Part II: Parametric Study, Journal of Engineering Science, Faculty of Engineering, Assiut University, Egypt, 32(2004) 44-52

[9]        H.Hassan, I.S. Taha, N.Y. Abdel Shafey, and A.Y. Turk, Three-Dimensional Transient Cooling of electronic Component in an Enclosure Enhanced by Heat Sink: Part I: Comparison of experimental and Numerical Results” , Journal of Engineering Science, Faculty of Engineering, Assiut University, Egypt, 30 (2002) 121-132.