CO2 Emission Reductions and Economic Benefits from Vehicle EER (Exhaust Energy Recovery)
Differing from those traditional vehicle exhaust heat recovery systems which just provided thermal energy directly for cabin worming, integrated Exhaust Energy Recovery (EER) which is researched and developed mainly in recent years aims to convert exhaust thermal energy to mechanical or electric energy for increasing the total thermal efficiency and the total power of powertrain. In the study presented in this paper, as analytic model was built for examining the environmental and economic benefits of integrated EER systems. Then the improvement on the total powertrain efficiency and net reduction of CO2 emissions were investigated, in terms of the average vehicle use in the UK. Results shows for light duty vehicles fitted with thermal cycle EER system, the cost would be paid back in 10.1 years and CO2 emission could be paid back in just 1.9 years, compared to Hybrid Electric Vehicles (HEVs) 11.9 years and 1.4 years for cost and CO2 emission, respectively. When the annual fuel price increase is considered, the cost pay-bay is reduced to 8.1 years for EER vehicles and 8. 9 years for HEVs. Higher mileage vehicles will have more obvious advantage for fitting EER system. When doubled annual mileage is considered, EER system can reduced the cost and CO2 emission pay-back times to 2. 7 years and 0. 6 years, compared to HEVs 8. 5 and 2.7 years, respectively.
exhaust energy recovery CO2 emission payback time ground vehicles
PENG Zhi-jun LU Li-peng YANG Xiao-yi
Department of Engineering and Design, University of Sussex, Brighton, United Kingdom School of Jet Propulsion, Beihang University, Beijing, China
国际会议
4th International Symposium on Jet Propulsion and Power Engineering(第四届喷气推进与动力工程国际会议 ISJPPE2012)
西安
英文
399-404
2012-09-10（万方平台首次上网日期，不代表论文的发表时间）