SOUTHWEST RESEARCH INSTITUTE

Small Engine
Technology

Fuel Injector
Evaluation
 

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  image of injection system characterization
 

Injection system characterization

To determine optimum fuel injector spray characteristics, Southwest Research Institute (SwRI) engineers evaluate and measure factors such as:

  • Droplet size and spray shape

  • Droplet velocities

  • Spray jet cone angle

  • Injector flow rate at various pulse widths

  • Spray and droplet penetration rate

Fuel Injector Evaluation Instrumentation

To measure these characteristics, SwRI uses state-of-the-art laser-based systems, high-speed film and video cameras, and laser-strobe photography as part of a wide spectrum of spray instrumentation capability.


SwRI characterizes sprays from all types of spray nozzles and fuel injectors for a wide variety of applications, including:

  • Port fuel injectors

  • Throttle body injectors

  • Direct in-cylinder injectors

For more information, visit the Spray Technology brochure.

 

Fuel and Oil Testing

  image of part of SwRI's facilities for research, development, and evaluation of engine oils
 

Part of SwRI's facilities designed for research, development, and evaluation of engine oils

SwRI offers complete services for research, development, and evaluation of engine oils used in diesel and gasoline engines. Facilities to evaluate lubricants against the American Petroleum Institute (API) "SL," "CG-4," "CH-4," and "C" lubricant categories, as well as the AAMA GF-1, GF-2, GF-3 are available. For European ACEA lubricant specifications, SwRI has installed dynamometer and bench test methods to evaluate service-fill lubricants for gasoline and diesel engines.
 

For more information about fuel injector evaluation capabilities at SwRI or how you can contract with SwRI, please contact Jim Carroll at jcarroll@swri.org or (210) 522-5015.
 

Contact Information

Jim Carroll

Small Engine Technology

(210) 522-5015

jcarroll@swri.org

Related Terminology

small engine research

small engine design

small engine development

small engine 
technology

motorcycle 
performance

motorcycle 
transmission

motorcycle testing

motorcycle
durability

motorcycle emissions

motorcycle engine testing

utility engines

ATV

ATV testing

ATV engines

PWC

snowmobiles

lawn mowers

generators
 

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Southwest Research Institute® (SwRI®), headquartered in San Antonio, Texas, is a multidisciplinary, independent, nonprofit, applied engineering and physical sciences research and development organization with 12 technical divisions.

October 29, 2009