EFFECTS OF EXHAUST MANIFOLD CONFIGURATION ON A TURBOCHARGED ENGINE EMPLOYING CHARGE STRATIFICATION

A standard cast iron manifold and a thermal reactor were tested on a lean burning Texaco Controlled Combustion System (TCCS) L141 engine. The purpose of the investigation was to study the interrelationships between engine, manifold/reactor, and turbocharger; and to evaluate the possible effects of the reactor's presence on fuel efficiency. Increased energy inputs into the turbine, higher compressor pressure ratios, and marginal reduction in exhaust gas CO were observed with the reactor; however, an overall 4.6% derogation in bsfc with the thermal reactor was also observed. This was due to greater pumping losses, as evidenced by consistently lower pressure differential between the intake and exhaust valves.

• Corporate Authors:

  Society of Automotive Engineers (SAE)

  400 Commonwealth Drive
  Warrendale, PA  United States  15096
• Authors:
  • Kern, P J
  • Koropey, O B
• Publication Date: 1977

Media Info

• Features: References;
• Pagination: 14 p.

Subject/Index Terms

• TRT Terms: Air pollution; Air quality management; Cast iron; Combustion; Control; Exhaust gases; Fuel consumption; Internal combustion engines; Manifolds; Stratified charge engines; Superchargers; Thermal reactors; Turbochargers; Vehicle power plants
• Old TRIS Terms: Automobile engines; Stratified charge combustion; Supercharging; Turbocharging
• Subject Areas: Energy; Highways; Safety and Human Factors; Vehicles and Equipment;

Filing Info

• Accession Number: 00158341
• Record Type: Publication
• Source Agency: Engineering Index
• Report/Paper Numbers: SAE 770047 Preprint
• Files: TRIS
• Created Date: Oct 13 1977 12:00AM