مباحث مرتبط با انتقال حرارت و موتورهای احتراق داخلی

[Andre]

لغاتی که در متنهای زیر بولد شده‌اند مد نظرند

.​Charge motion is initiated with the intake stroke, which transfers momentum to the flow.

این پاراگراف دیگه آخرش بود. به طور ساده میشه فهمید چه عملی داره انجام میشه، اما بخوایم به صورت علمی نگارش کنیم به اصطاحات دقیق نیاز داریم.

​In general, tumble is preferred for homogeneous spark ignition combustion systems, running most often with gasoline and based on rapid flame propagation. The goal is to control ignition-timing with a spark and thereafter proceed to full combustion as quickly as possible. Tumble contributes first to the homogenization of the charge involving the entire combustion chamber. Thereafter the geometrical size of the tumble motion is no longer compatible with the reducing height of the chamber and the flow breaks down into smaller and smaller vortices. The result is a highly turbulent flow that increases the propagation speed of the flame front.

​Towards the end of compression the peripheral crown of the piston comes very close to the cylinder’s head and generates a squish of flow towards the center of the cylinder.