Investigation on Underhood Thermal Analysis of Truck Platooning

Application of the multi-field coupling enhanced heat transfer principle to the engine compartment design of clean gas bus

“…Gaseous LPG is easier to mix with air than gasoline to form a homogeneous and combustible mixture. Additionally, the CO and HC emissions of LPG engines are lower, and LPG's high octane number is helpful for increasing the engine compression ratio, thereby improving the engine power and thermal efficiency (Walls et al, 2017;Kang et al, 2015). However, LPG has a high ignition temperature and a slow flame propagation speed.…”

“…The design of the cabin structure is not guided by the theoretical results of the multi-field coupling enhancement heat dissipation. Further, current research on improving engine compartment structures to enhance convective heat transfer mainly focuses on engine compartments for passenger cars (Zhang et al, 2018), buses (Shen et al, 2013) and heavy trucks (Yang et al, 2015;Vegendla et al, 2018;Pan et al, 2010) with traditional fuel, while the study of clean gas engine compartments with higher cabin temperatures is less involved. At the same time, although the technology on optimizing cooling systems is relatively mature, but most studies are based on the criterion of cooling airflow rates.…”