All Stories

  1. Solutions for Energy and Raw Material Recovery from Sewage Sludge Within the Concept of Circular Economy

    Article • Sustainability, April 2025, MDPI AG

    Professor Gabriel P. Negreanu

  2. Analysis of energy consumption for neutralization of the wastewater treatment plants sludge

    Article • E3S Web of Conferences, January 2025, EDP Sciences

    Professor Gabriel P. Negreanu

  3. Analysis model for CO2 emissions of Romanian Power Plants fueled with Natural Gas

    Article • June 2024, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Gabriel P. Negreanu

  4. Vegetable biomass – source of green hydrogen production through gasification

    Article • June 2024, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Gabriel P. Negreanu

  5. Possibilities of Climate Control of Poultry Complexes through Co-Combustion of Poultry Waste–Solid Biomass for Agriculture in Romania

    Article • Agriculture, March 2024, MDPI AG

    Professor Gabriel P. Negreanu

  6. Comparative results between densified agricultural and woody biomass in fixed bed combustion

    Article • Technium Romanian Journal of Applied Sciences and Technology, October 2023, Technium Science

    Professor Gabriel P. Negreanu

  7. An analysis of the economic production and use of green hydrogen

    Article • IOP Conference Series Materials Science and Engineering, September 2023, Institute of Physics Publishing

    Professor Gabriel P. Negreanu

  8. CO2 energy vector in the concept of circular energy

    Article • IOP Conference Series Materials Science and Engineering, September 2023, Institute of Physics Publishing

    Professor Gabriel P. Negreanu

  9. Techno-economic evaluation of combined cycle gas turbine and a diabatic compressed air energy storage integration concept

    Article • Proceedings of the Institution of Civil Engineers - Energy, March 2023, Elsevier

    Professor Gabriel P. Negreanu

  10. Effect of twisting angle on the steam flow characteristics

    Article • January 2023, American Institute of Physics

    Professor Gabriel P. Negreanu

  11. Effect of the roughness and the twisted angle on the blade thermal efficiency for low pressure impulse steam turbine

    Article • January 2023, American Institute of Physics

    Professor Gabriel P. Negreanu

  12. 27th Power Engineering and Power Machines Conference - PEPM 2022 16 – 19 September 2022, Sozopol, Bulgaria

    Article • IOP Conference Series Earth and Environmental Science, January 2023, Institute of Physics Publishing

    Professor Gabriel P. Negreanu

  13. Particularities of flue gases from energy installations on the process of continuous flow capture for CO2 by direct methanation

    Article • IOP Conference Series Earth and Environmental Science, January 2023, Institute of Physics Publishing

    Professor Gabriel P. Negreanu

  14. Benefits of Hydrogen-Rich Gas (HRG) on Biomass Combustion Performances

    Article • November 2022, Leather and Footwear Research Institute (INCDTP-ICPI)

    Professor Gabriel P. Negreanu

  15. An analysis of the efficiency of flue gases energy potential conversion through methanation

    Article • June 2022, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Gabriel P. Negreanu

  16. New design developments of a steam generator with flame tubes derived from a hot water boiler burning agricultural biomass

    Article • June 2022, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Gabriel P. Negreanu

  17. Analytical model for estimating the production and composition of gas resulted through gasification

    Article • E3S Web of Conferences, January 2021, EDP Sciences

    Professor Gabriel P. Negreanu

  18. Comparative analysis between methane and hydrogen regarding ignition and combustion in diffusive mode

    Article • E3S Web of Conferences, January 2021, EDP Sciences

    Professor Gabriel P. Negreanu

  19. Experimental researches on poultry manure combustion in co-combustion with biomass

    Article • E3S Web of Conferences, January 2021, EDP Sciences

    Professor Gabriel P. Negreanu

  20. Preface

    Article • E3S Web of Conferences, January 2021, EDP Sciences

    Professor Gabriel P. Negreanu

  21. The Technological Matrix for the Efficient Use of Biofuels

    Article • January 2021, Springer Science + Business Media

    Professor Gabriel P. Negreanu

  22. Experimental Research of Combustion of Poultry Manure

    Article • January 2021, Springer Science + Business Media

    Professor Gabriel P. Negreanu

  23. Experimental Tests on the Combustion of Animal Fats

    Article • January 2021, Springer Science + Business Media

    Professor Gabriel P. Negreanu

  24. Analysis of the possibilities of using a sulfur-free solid fuel at CET Deva-Romania

    Article • November 2020, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Gabriel P. Negreanu

  25. New design of a flame-tube steam generator basedon a hot water boiler burning agricultural waste

    Article • November 2020, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Gabriel P. Negreanu

  26. Researches on biofuels gasification using the Lurgi process with homogeneous air inlet over the combustion space

    Article • E3S Web of Conferences, January 2020, EDP Sciences

    Professor Gabriel P. Negreanu

  27. Some design characteristics of micro steam turbines for agricultural biomass energy conversion

    Article • E3S Web of Conferences, January 2020, EDP Sciences

    Professor Gabriel P. Negreanu

  28. Preface

    Article • E3S Web of Conferences, January 2020, EDP Sciences

    Professor Gabriel P. Negreanu

  29. Energy characteristics of the char obtained by two steps pyrolysis of chicken manure

    Article • IOP Conference Series Materials Science and Engineering, September 2019, Institute of Physics Publishing

    Professor Gabriel P. Negreanu

  30. THERMAL CONDITIONS REQUIRED FOR POULTRY MANURE COMBUSTION IN FURNACE BOILERS

    Article • June 2019, STEF92 Technology

    Professor Gabriel P. Negreanu

  31. Preface

    Article • E3S Web of Conferences, January 2019, EDP Sciences

    Professor Gabriel P. Negreanu

  32. Researches on the mixture limits of animal fats with liquid hydrocarbons for combustion at industrial level

    Article • E3S Web of Conferences, January 2019, EDP Sciences

    Professor Gabriel P. Negreanu

  33. Conceptual matrix for the biofuels of the future applicable to the Romanian economy

    Article • E3S Web of Conferences, January 2019, EDP Sciences

    Professor Gabriel P. Negreanu

  34. Experimental Investigations of Innovative Biomass Energy Harnessing Solutions

    Article • Energies, December 2018, MDPI AG

    Professor Gabriel P. Negreanu

  35. THE ROLE OF AGRICULTURAL BIOMASS IN THE PRODUCTION OF ECOLOGICAL ENERGY IN ROMANIA

    Article • June 2018, STEF92 Technology

    Professor Gabriel P. Negreanu

  36. Influence of the characteristics of biogas generated in the leather industry on combustion quality

    Article • Thermal Science, January 2018, National Library of Serbia

    Professor Gabriel P. Negreanu

  37. Beef fat used as fuel in internal combustion engines or as biogas precursor.

    Article • Energy Conversion and Management, October 2017, Elsevier

    Professor Gabriel P. Negreanu

  38. Solution for efficient combustion of the biogas obtained depending on the characteristics of the anaerobic fermentation of animal protein

    Article • October 2017, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Gabriel P. Negreanu

  39. Wooden and agricultural biomass combustion in presence of enriched hydrogen gas

    Article • Proceedings of the Institution of Civil Engineers - Energy, May 2017, Elsevier

    Professor Gabriel P. Negreanu

  40. The Study of the Depression Occurred under Different Types of Impellers

    Article • Applied Mechanics and Materials, June 2016, Trans Tech Publications

    dr Corina Babutanu, Professor Gabriel P. Negreanu, Lucian Mandrea

  41. Mathematical model and experimental tests of hydrogen diffusion in the porous system of biomass

    Article • International Journal of Green Energy, March 2016, Taylor & Francis

    Professor Gabriel P. Negreanu

  42. Hydrogen — An energy vector in efficient combustion of energy willow

    Article • September 2014, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Gabriel P. Negreanu

  43. EVALUATION OF CORROSIVE EFFECTS IN CO-FIRING PROCESS OF BIOMASS AND COAL

    Article • Environmental Engineering and Management Journal, January 2009, OAIMDD - EcoZone Publishing House

    Professor Gabriel P. Negreanu

  44. RESEARCH ON THE COMBUSTION OF CRUDE VEGETABLE OILS FOR ENERGETIC PURPOSES

    Article • Environmental Engineering and Management Journal, January 2009, OAIMDD - EcoZone Publishing House

    Professor Gabriel P. Negreanu

  45. Dynamic behavior of the steam turbine

    Article • International Journal of Energy Technology and Policy, January 2008, Inderscience Publishers

    Professor Gabriel P. Negreanu

  46. Problems And Prospects Of Sustainable Solid Waste Management In Romania

    Article • January 2000, Springer Science + Business Media

    Professor Gabriel P. Negreanu