All Stories

  1. Enhancement of the melting process in the thermal energy storage system by using novel geometry

    Article • Numerical Heat Transfer Part A Applications, October 2019, Taylor & Francis

    Professor Yousef S.H. Najjar

  2. Energy utilisation in a combined geothermal and organic Rankine power cycles

    Article • International Journal of Sustainable Energy, May 2019, Taylor & Francis

    Professor Yousef S.H. Najjar, Ala' Qatramez

  3. Modelling of a novel infrared recycler for reclaiming waste plastics from automotive vehicles

    Article • International Journal of Sustainable Energy, March 2019, Taylor & Francis

    Professor Yousef S.H. Najjar

  4. Using novel compressed-air energy storage systems as a green strategy in sustainable power generation-a review

    Article • International Journal of Energy Research, May 2016, Wiley

    Professor Yousef S.H. Najjar

  5. Using a smart device and neuro-fuzzy control system as a sustainable initiative with green cars

    Article • May 2016, Elsevier

    Professor Yousef S.H. Najjar

  6. Energy conservation and waste utilization in the cement industry serve the green technology and environment

    Article • International Journal of Sustainable Engineering, December 2014, Taylor & Francis

    Professor Yousef S.H. Najjar

  7. Performance improvement of green cars by using variable-geometry engines

    Article • November 2014, Elsevier

    Professor Yousef S.H. Najjar

  8. Cascaded waste-heat recovery as a green technology for energy sustainability in power generation

    Article • International Journal of Energy Research, February 2014, Wiley

    Professor Yousef S.H. Najjar

  9. Performance analysis of green engine-driven systems for space cooling

    Article • International Journal of Ambient Energy, February 2014, Taylor & Francis

    Professor Yousef S.H. Najjar

  10. Sustainable gas turbine power generation by adopting green control technologies

    Article • International Journal of Sustainable Engineering, January 2014, Taylor & Francis

    Professor Yousef S.H. Najjar

  11. Using a Smart Device and Intelligent Control to Reduce Green Vehicle Emissions

    Article • Journal of Sustainable Energy Engineering, January 2014, Scrivener Publishing

    Professor Yousef S.H. Najjar

  12. The Road Toward Greener Cars by Using Neuro-Fuzzy Modeling of Spark-Ignition Engines with Variable Valve Overlap

    Article • Journal of Sustainable Energy Engineering, January 2014, Scrivener Publishing

    Professor Yousef S.H. Najjar

  13. Protection of the environment by using innovative greening technologies in land transport

    Article • Renewable and Sustainable Energy Reviews, October 2013, Elsevier

    Professor Yousef S.H. Najjar

  14. Hydrogen safety: The road toward green technology

    Article • International Journal of Hydrogen Energy, August 2013, Elsevier

    Professor Yousef S.H. Najjar

  15. Thermoeconomic optimization for green multi-shaft gas turbine engines

    Article • Proceedings of the Institution of Civil Engineers - Energy, July 2013, Elsevier

    Professor Yousef S.H. Najjar

  16. Modeling the Effect of Variable Timing of the Exhaust Valves on SI Engine Emissions for Greener Vehicles

    Article • Energy and Power Engineering, January 2013, Scientific Research Publishing, Inc,

    Professor Yousef S.H. Najjar

  17. Green solution for power generation by adoption of adiabatic CAES system

    Article • Applied Thermal Engineering, November 2012, Elsevier

    Professor Yousef S.H. Najjar

  18. Mahmoud Yousef K. El-Najjar (1942–2009)

    Article • June 2012, Oxford University Press (OUP)

    Professor Yousef S.H. Najjar

  19. Power augmentation with CAES (compressed air energy storage) by air injection or supercharging makes environment greener

    Article • Proceedings of the Institution of Civil Engineers - Energy, February 2012, Elsevier

    Professor Yousef S.H. Najjar

  20. Comparison of performance of a Greener direct-injection stratified-charge (DISC) engine with a spark-ignition engine using a simplified model

    Article • Proceedings of the Institution of Civil Engineers - Energy, July 2011, Elsevier

    Professor Yousef S.H. Najjar

  21. Comparison of performance of compact chamber spark-ignition engine with conventional S.I. engine

    Article • International Journal of Energy Research, May 2011, Wiley

    Professor Yousef S.H. Najjar

  22. Gaseous Pollutants Formation and Their Harmful Effects on Health and Environment

    Article • Innovative Energy Policies, January 2011, OMICS Publishing Group

    Professor Yousef S.H. Najjar

  23. The role of neuro-fuzzy modelling as a greening technique, in improving the performance of vehicular spark ignition engine

    Article • International Journal of Artificial Intelligence and Soft Computing, January 2010, Inderscience Publishers

    Professor Yousef S.H. Najjar

  24. Aerothermal Design of a Multi-Stage Axial Flow Gas Turbine with Air Cooling

    Article • International Journal of Mechanical Engineering Education, January 2010, SAGE Publications

    Professor Yousef S.H. Najjar

  25. Alternative Fuels for Spark Ignition Engines

    Article • The Open Fuels & Energy Science Journal, April 2009, Bentham Science Publishers

    Professor Yousef S.H. Najjar

  26. Alternative Fuels for Spark Ignition Engines

    Article • The Open Fuels & Energy Science Journal, January 2009, Bentham Science Publishers

    Professor Yousef S.H. Najjar

  27. Comparison of performance for cascaded humidified advanced turbine with the corresponding combined system

    Article • International Journal of Sustainable Energy, December 2007, Taylor & Francis

    Professor Yousef S.H. Najjar

  28. Modern and appropriate technologies for the reduction of gaseous pollutants and their effects on the environment

    Article • Clean Technologies and Environmental Policy, September 2007, Springer Science + Business Media

    Professor Yousef S.H. Najjar

  29. Thermodynamic optimization of the turbofan cycle

    Article • Aircraft Engineering and Aerospace Technology, November 2006, Emerald

    Professor Yousef S.H. Najjar

  30. Comparative performance of combined gas turbine systems under three different blade cooling schemes

    Article • Applied Thermal Engineering, September 2004, Elsevier

    Professor Yousef S.H. Najjar

  31. Heat transfer analysis for a multistage gas turbine using different blade-cooling schemes

    Article • Applied Thermal Engineering, March 2004, Elsevier

    Professor Yousef S.H. Najjar

  32. Directions and perspectives for development of engineering education in Jordan

    Article • European Journal of Engineering Education, March 2003, Taylor & Francis

    Professor Yousef S.H. Najjar

  33. Effect of Prewhirl on the Performance of Centrifugal Compressors

    Article • International Journal of Rotating Machinery, November 2002, Taylor & Francis

    Professor Yousef S.H. Najjar

  34. Effect of Prewhirl on the Performance of Centrifugal Compressors

    Article • International Journal of Rotating Machinery, January 2002, Hindawi Publishing Corporation

    Professor Yousef S.H. Najjar

  35. Efficient use of energy by utilizing gas turbine combined systems

    Article • Applied Thermal Engineering, March 2001, Elsevier

    Professor Yousef S.H. Najjar

  36. Gas turbine cogeneration systems: a review of some novel cycles

    Article • Applied Thermal Engineering, February 2000, Elsevier

    Professor Yousef S.H. Najjar

  37. Comparison of performance of the integrated gas and steam cycle (IGSC) with the combined cycle (CC)

    Article • Applied Thermal Engineering, January 1999, Elsevier

    Professor Yousef S.H. Najjar

  38. Performance analysis of compressed air energy storage (CAES) plant for dry regions

    Article • Energy Conversion and Management, October 1998, Elsevier

    Professor Yousef S.H. Najjar

  39. PARAMETRIC STUDY OF THE RESIDUAL GAS IN SPARK IGNITION ENGINES

    Article • Petroleum Science and Technology, November 1997, Taylor & Francis

    Professor Yousef S.H. Najjar

  40. Determination of thermodynamic properties of some engineering fluids using two-constant equations of state

    Article • Thermochimica Acta, October 1997, Elsevier

    Professor Yousef S.H. Najjar

  41. Comparison of performance for cogeneration systems using single- or twin-shaft gas turbine engines

    Article • Applied Thermal Engineering, February 1997, Elsevier

    Professor Yousef S.H. Najjar

  42. Some trends and progress in gas turbine technology and research

    Article • Energy Conversion and Management, December 1996, Elsevier

    Professor Yousef S.H. Najjar

  43. MODELING AND SIMULATION OF SPARK IGNITION ENGINES

    Article • Fuel Science and Technology International, September 1996, Taylor & Francis

    Professor Yousef S.H. Najjar

  44. MODELING AND SIMULATION OF COMPRESSION IGNITION ENGINES

    Article • Fuel Science and Technology International, September 1996, Taylor & Francis

    Professor Yousef S.H. Najjar

  45. Relative effect of pressure losses and inefficiencies of turbomachines on the performance of the heat-exchange gas turbine cycle

    Article • Applied Thermal Engineering, August 1996, Elsevier

    Professor Yousef S.H. Najjar

  46. Performance analysis of gas turbine air-bottoming combined system

    Article • Energy Conversion and Management, April 1996, Elsevier

    Professor Yousef S.H. Najjar

  47. Enhancement of performance of gas turbine engines by inlet air cooling and cogeneration system

    Article • Applied Thermal Engineering, February 1996, Elsevier

    Professor Yousef S.H. Najjar

  48. Boosting Aeroengine Thrust by Using Ramjets

    Article • Aircraft Engineering and Aerospace Technology, June 1994, Emerald

    Professor Yousef S.H. Najjar

  49. Performance of simple cycle gas turbine engines in two modes of operation

    Article • Energy Conversion and Management, May 1994, Elsevier

    Professor Yousef S.H. Najjar

  50. Cryogenic power conversion with regasification of LNG in a gas turbine plant

    Article • Energy Conversion and Management, April 1993, Elsevier

    Professor Yousef S.H. Najjar

  51. A POTENTIALLY CAPABLE KODEL FOR PREDICTING COMBUSTOR LINER TEMPERATURE IN CAS TURBINES

    Article • Fuel Science and Technology International, January 1993, Taylor & Francis

    Professor Yousef S.H. Najjar

  52. Comparative performance of closed cycle gas turbine engine with heat recovery using different gases

    Article • Heat Recovery Systems and CHP, November 1992, Elsevier

    Professor Yousef S.H. Najjar

  53. Comparison of total energy systems using gas turbines and diesel engines for combined cooling

    Article • International Journal of Refrigeration, November 1991, Elsevier

    Professor Yousef S.H. Najjar

  54. Energy conservation in the refinery by utilizing reformed fuel gas and furnace flue gases

    Article • Heat Recovery Systems and CHP, January 1991, Elsevier

    Professor Yousef S.H. Najjar

  55. Energy Conservation With Catalytic Cracking in the Refinery

    Article • June 1990, ASME International

    Professor Yousef S.H. Najjar

  56. Feasibility of gas turbine-assisted heat pumps for space heating

    Article • Heat Recovery Systems and CHP, January 1989, Elsevier

    Professor Yousef S.H. Najjar

  57. Forced Draft Cooling Tower Performance with Diesel Power Stations

    Article • Heat Transfer Engineering, November 1988, Taylor & Francis

    Professor Yousef S.H. Najjar

  58. Fuel effect on vehicular gas turbine engine performance

    Article • Fuel, July 1988, Elsevier

    Professor Yousef S.H. Najjar

  59. Cogeneration by combining gas turbine engine with organic rankine cycle

    Article • Heat Recovery Systems and CHP, January 1988, Elsevier

    Professor Yousef S.H. Najjar

  60. PERFORMANCE OF AUTOMOTIVE RECIPROCATING ENGINES WITH DIFFERENT FUELS

    Article • Fuel Science and Technology International, January 1988, Taylor & Francis

    Professor Yousef S.H. Najjar

  61. EVALUATION OF PENG ROBINSON EQUATION OF STATE IN CALCULATING THERMOPHYSICAL PROPERTIES OF COMBUSTION GASES

    Article • Chemical Engineering Communications, November 1987, Taylor & Francis

    Professor Yousef S.H. Najjar

  62. Evaluation of srk equation of state in calculating the thermophysical properties of gas turbine combustion gases

    Article • International Journal of Energy Research, October 1987, Wiley

    Professor Yousef S.H. Najjar

  63. Prediction of Gas Turbine Combustor-Liner Temperature

    Article • May 1987, ASME International

    Professor Yousef S.H. Najjar

  64. Lubricants and fuels analysis as a guide for predictive maintenance in diesel engines

    Article • Fuel, March 1987, Elsevier

    Professor Yousef S.H. Najjar

  65. Prediction of some performance characteristics of shale oil in the gas turbine combustor

    Article • International Journal of Energy Research, January 1987, Wiley

    Professor Yousef S.H. Najjar

  66. SOOT FORMATION IN GAS TURBINE COMBUSTORS

    Article • Fuel Science and Technology International, January 1987, Taylor & Francis

    Professor Yousef S.H. Najjar

  67. Waste Energy Utilization in Regenerative Gas Turbine Cycles

    Article • October 1986, ASME International

    Professor Yousef S.H. Najjar

  68. Gas-turbine total energy systems

    Article • Proceedings of the Institution of Civil Engineers - Energy, October 1986, Elsevier

    Professor Yousef S.H. Najjar

  69. The solar gas turbine for pump and electric generator drive

    Article • Proceedings of the Institution of Civil Engineers - Energy, October 1986, Elsevier

    Professor Yousef S.H. Najjar

  70. The Part-Load Performance of a Gas Turbine Engine With Two Turbines Working in Parallel

    Article • June 1986, ASME International

    Professor Yousef S.H. Najjar

  71. Temperature traverse quality in the gas turbine combustor using heavy fuels

    Article • International Journal of Energy Research, April 1986, Wiley

    Professor Yousef S.H. Najjar

  72. Fuel Effect on Reciprocating Engine Performance

    Article • March 1986, SAE International

    Professor Yousef S.H. Najjar

  73. Gibbs function as a correlating performance parameter for fuels used in gas turbines

    Article • International Journal of Energy Research, January 1986, Wiley

    Professor Yousef S.H. Najjar

  74. Waste energy utilization in heat-exchange gas turbine cycles

    Article • Journal of Heat Recovery Systems, January 1986, Elsevier

    Professor Yousef S.H. Najjar

  75. A Developed Model for the Prediction of Soot Formation and Oxidation in the Gas Turbine

    Article • October 1985, ASME International

    Professor Yousef S.H. Najjar

  76. Engineering prediction of soot concentration in the primary zone of the gas turbine combustor

    Article • Fuel, January 1985, Elsevier

    Professor Yousef S.H. Najjar

  77. Temperature Traverse Quality in the Gas Turbine Combustor Using Heavy Fuels

    Article • March 1983, ASME International

    Professor Yousef S.H. Najjar

  78. Soot formation in gas turbines using heavy fuels. 1

    Article • Fuel, October 1981, Elsevier

    Professor Yousef S.H. Najjar

  79. Soot oxidation in gas turbines using heavy fuels. 2

    Article • Fuel, October 1981, Elsevier

    Professor Yousef S.H. Najjar