Parametric study on air brayton cycle as an exhaust energy recovery method

• Main Authors: Teo, Aaron Edward (Author), Rajoo, Srithar (Author), Meng, Soon Chiong (Author), Paramasivam, Kishokanna (Author), Tan, Fengxian (Author)
• Format: Article
• Language: English
• Published: Penerbit UTM Press, 2015.
• Subjects: TA Engineering (General). Civil engineering (General)
• Online Access: Get fulltext

Exhaust energy recovery is one of the ways to improve engine's fuel utilization. Parametric study of Air Brayton Cycle (ABC) as an exhaust energy recovery was done to see its feasibility. Parameters such as the mass flow rate, heat exchanger effectiveness, compressor and turbine efficiencies and heat exchanger pressure drop were analyzed to see their effects. It was found that the ABC can extract up to 3-4 kW of energy from the exhaust of a 5.9 liter diesel engine. This translates to about 3-4% of Brake Specific Fuel Consumption (BSFC) improvement. Careful integration of the main components is crucial to the success of the ABC as an exhaust energy recovery.