Modeling & Simulation for Optimization of Heavy-Fuel Micro Rotary Engines

Award Information
Agency:
Department of Defense
Branch
Air Force
Amount:
$99,191.00
Award Year:
2008
Program:
SBIR
Phase:
Phase I
Contract:
FA8650-08-M-2910
Agency Tracking Number:
O081-UM6-1065
Solicitation Year:
n/a
Solicitation Topic Code:
n/a
Solicitation Number:
n/a
Small Business Information
L.K. INDUSTRIES, INC.
9731 Center Street, Glenwood, NY, 14069
Hubzone Owned:
N
Socially and Economically Disadvantaged:
N
Woman Owned:
N
Duns:
944681501
Principal Investigator:
Lawrence Krzeminski
President
(716) 941-9202
lkindinc@gmail.com
Business Contact:
Lawrence Krzeminski
President
(716) 941-9202
lkindinc@gmail.com
Research Institution:
n/a
Abstract
This program will conduct analytical studies to demonstrate how to convert the AR-741, rotary engine, to run on heavy fuel. Specifically, CFD modeling will be used to show how direct injection/stratified charge can be employed to convert this engine to heavy fuel. The direct injection will avoid predetonation, while the stratified charge or layering of the fuel air mixture will be investigated for a "lean burn" characteristic to achieve the best fuel economy. Further, the spray pattern will show a rich fuel mixture at the point of ignition for sufficient starting ease. The effects of turbocharging will also be modeled to achieve the desired SFC of 0.35. Thermodynamic cycle analysis will be used as a first order attempt to show the benefits of turbocharging and increased compression ratio on SFC. Computational Fluid Dynamics (CFD) will be used for the combustion design; showing the optimum location for the fuel injectors/igniters, spray pattern, mixing, and the corresponding combustion process. CFD will be used to determine optimal rotor pocket geometery and the investigation of the benefits for "split" combustion chamber operation. Lastly, we believe that in order to achieve the desires SFC of 0.35 lbs/HP-hr turbocharging will be a neccessity.

* information listed above is at the time of submission.

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