Abstract
Review on Cylinder Head Design for Swirl Optimization
Highlights
Days, In Automobile sector, IC engines have been a relatively inexpensive and reliable source of power for applications ranging from domestic use to large scale industrial and transportation sectors in most of the twentieth century
Direct-injection diesel engines, having the evident benefit of higher thermal efficiency than all other engines, it served for both light- duty and heavy-duty engines Motion of charge in cylinder of internal combustion engines is a key factor that governing the fuel-air mixing and burning rates in combustion of diesel engines
Numerical Techniques (Computational Fluid Dynamics, CFD) offer the opportunity to carry out repetitive parameter studies with clearly defined boundary Conditions in order to investigate various configurations
Summary
A good swirl promotes the fast combustion and improves the efficiency. The engine should run at low speeds, in order to have low mechanical losses and fast combustion, enabling good combustion efficiency. To produce high turbulence prior to combustion within the cylinder, swirl induced by the inlet channel within the cylinder head will be helpful. The fluid flow analysis plays an important role for airfuel mixture preparation to obtain the better engine combustion, performance and efficiency. Due to the extreme conditions inside a typical IC-engine (high combustion temperatures and pressures, precipitation of soot and other combustion products, etc.) experimental techniques are sometimes limited in approaching the above mentioned problem. Numerical Techniques (Computational Fluid Dynamics, CFD) offer the opportunity to carry out repetitive parameter studies with clearly defined boundary Conditions in order to investigate various configurations
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