Experimental and numerical investigation of high-flow-rate injection focusing on improved thermal efficiency and output performance in low-pressure direct-injection hydrogen engines

Key Points

• Improved thermal efficiency directly enhances output performance in hydrogen engines, benefiting overall effectiveness.
• The analysis indicates a significant increase in performance metrics with high-flow-rate injection techniques.
• Observational analysis using experimental and numerical methods on low-pressure direct-injection hydrogen engines indicates practical applications.
• These findings highlight the importance of optimizing fuel injection methods for future hydrogen engine designs.