Browse > Article

Characterization of Liquid Phase LPG Sprays within Airflow Fields  

최재준 (KAIST 기계공학과)
최동석 (KAIST 기계공학과)
남창호 (KAIST 기계공학과)
배충식 (KAIST 기계공학과)
Publication Information
Transactions of the Korean Society of Automotive Engineers / v.10, no.5, 2002 , pp. 90-97 More about this Journal
Abstract
The interaction between airflow and liquid phase LfG (Liquefied Petroleum Gas) sprays was investigated in a steady flow system embodied in a wind tunnel to simulate the variety of flow inside intake port of LPG engines with liquid injection system. The spray developments in flowing fields with the mean velocities of 5.4, 21.5 and 42.4m/s were identified by spray visualization techniques such as Mie scattering and shadowgraph. The microscopic visualization using a telescopic lens system was performed to investigate the shape and size of liquid droplets in the spray. PDA measurement was used to get 1-dimensional velocity and diameter of liquid droplets. The fast co-flows make the spray field be compact and be lead upward to the injection direction. SMD of the spray was smaller at the fast flowing field. Spray width got bigger and SMD of the spray was smaller with higher injection pressure.
Keywords
LPC; LPLI; Mie scattering; Shadowgraph; SMD;
Citations & Related Records
연도 인용수 순위
  • Reference
1 An Experimental and Theoretical Study of Liquid LPG Injection /
[ R.Sierens ] / SAE 922363
2 Ultra Low Emission Vehicle-Using LPG Engine Fuel /
[ A.Gerini;G.Monnier;R.Bonetto ] / SAE 961076
3 Spray Dynamics Simulation of Liquefied Butane Injection /
[ H.Huang;T.Nakajima;A.Gua ] / SAE 972868
4 Transient Injection Characteristics of Pintle Type Injector for Direct Injection of LPG /
[ J.S.Shakal;S.T.Hong;S.Goto;J.Y.Koo ] / Proceedings of International Conference on Liquid Atomization and Spray Systems (ICLASS-`97)
5 Spray Characteristics of Liquid Phase LPG Injection for Port Fuel Injection S.I. Engine /
[ C.Bae;J.Kim;D.Choi;J.Choi;S.Lee ] / Proceedings of ILASS-Asia 2001