Hydrogen-Enriched Compressed Natural Gas (HCNG) Engines: A Technology for Low Impact Engines

Hydrogen-Enriched Compressed Natural Gas (HCNG) Engines: A Technology for Low Impact Engines presents the latest research on HCNG internal combustion engines, highlighting the benefits and advantages on improving efficiency and reducing emissions. The author's team bring their wealth of practical experience, which starts by covering the fundamentals and characteristics of HCNG engines before moving onto more advanced topics such as the optimization of different types of HCNG engines, numerical and technical modeling and advanced methods. Engineers and researchers of internal combustion engines will gain a thorough understanding of the technical aspects of HCNG engines and benefit from the experience of the authors.Readers will take away a thorough understanding of spark ignition engines and the effect of fuel composition on their general behavior, considering emissions, efficiency and performance improvement. Presents the fundamentals of HCNG engines and the relative effect on combustion, performance and emissions Covers the numerical modeling of HCNG engines and includes a full lifecycle assessment Includes a section completely dedicated to direct injection into the combustion chamber INDICE: Section I Introduction 1. Introduction to HCNG engines 2. Background of HCNG engines 3. Impact on current transportation infrastructure 4. Challenges involved in HCNG adaptation 5. Fundamentals of HCNG 6. Physical Characteristics of HCNG 7. Experimental system and methodology 8. Laminar flame characteristics 9. Flammability limit 10. Flame propagation and dynamics 11. Early flame development 12. Performance characteristics of HCNG engine 13. Effect of compression ratio 14. Effect of spark timings 15. Effect of excess air ratio at idle conditions 16. Effect of wide open throttle operating conditions 17. Combustion and emission characteristics of HCNG engine 18. Effect of hydrogen addition on cycle-by cycle variations 19. Extension of Lean limit 20. Effect of Excess air ratio 21. Effect of spark timings 22. Reduction of idle speed 23. Engine combustion characteristics 24. Engine cycle-by-cycle variations 25. Engine emission characteristics 26. Effect of compression ratio on combustion, emissions and cyclic variations 27. Effect of fuel injection timings 28. Combustion and emission characteristics of DI HCNG engine 29. Application of direct injection in HCNG engines 30. Effect of fuel injection timing 31. Effect of hydrogen addition on emission 32. Effect of cyclic variability Section II Optimization of HCNG engines-lean burn 33. Hydrogen ratio 34. Excess air ratio 35. Spark timings 36. Exhaust gas recycle (EGR) 37. Compression ratio 38. Extension of lean operation limit 39. Effect of hydrogen addition 40. Effect of engine load 41. Effect of engine speed 42. Effect of spark timing 43. Catalytic converters usage  Section III Optimization of HCNG engines-stoichiometric Combustion 44. Hydrogen ratio 45. Exhaust gas recycle (EGR) 46. Spark timings 47. TWC performance Section IV Numerical modelling of HCNG engines 48. Statistical Analysis method 49. Overview 50. Design of experiments 51. Gaussian function modeling 52. Artificial Neural Network (ANN) optimization 53. ANN modeling to study the performance of HCNG engine 54. ANN modeling to study the emission of HCNG engine 55. Intelligent Regression Algorithm optimization 56. Support Vector Machine(SVM) method 57. Support Vector Machine(SVM) to study performance of HCNG engines 58. Support Vector Machine(SVM) to study NOx emission of HCNG engines 59. Quasi dimensional combustion model 60. Effect of calibration coefficients on the model 61. Two zone thermodynamic model 62. Turbulent entrainment combustion model 63. Adiabatic flame temperature model 64. Laminar burning velocity model Section V Life Cycle Assessment of HCNG engines 65. Life Cycle Assessment of HCNG engines 66. Sources of Hydrogen Production

• ISBN: 978-0-323-90448-3
• Editorial: Academic Press
• Encuadernacion: Rústica
• Páginas: 300
• Fecha Publicación: 01/11/2022
• Nº Volúmenes: 1
• Idioma: Inglés