Energy efficient engine ICLS engine bearings, drives, and configuration
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Energy efficient engine ICLS engine bearings, drives, and configuration design detail report by C. L Broman

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Published by National Aeronautics and Space Administration, NASA Lewis Research Center in [Cleveland, Ohio] .
Written in English


  • Airplanes -- Motors -- Design and construction

Book details:

Edition Notes

Statementby C.L. Broman
SeriesNASA CR -- 167871, NASA contractor report -- 167871
ContributionsLewis Research Center, General Electric Company
The Physical Object
Pagination1 v.
ID Numbers
Open LibraryOL14927682M

Download Energy efficient engine ICLS engine bearings, drives, and configuration


  Virtually all modern engines use bearing shell inserts for the crank­shaft, rods, and camshaft. Mains and rods use a split bearing with upper and lower half-shells. Cam bearings are mostly single-piece, ring-style inserts that are pressed in place with an interference fit in each housing bore. Most bearing inserts have a thick metal backing made . Full text of "Energy Efficient Engine core design and performance report" See other formats. The Energy Efficient Engine (E3) Project is being conducted as part of the NASA Aircraft Energy Efficiency (ACEE) Program. An objective of this pro-" ject is to develop the technology base for a new generation of fuel-efficient propulsion systems for future subsonic commercial-transport aircraft. Engine efficiency ranges % resulting in a typical temperature range of °C °C, and normal speed range is from to rpm [3]. 37 Image of the final configuration of the EP.

Engine Exergy Loss in the Perfect Cycle Approximation of the Real Working Cycle Models to Determine Combustion Behavior Efficiency Energy Balance in the Engine Balance Equation 6 Crank Gears Crankshaft Drive Design and Function Forces Acting on the Crankshaft Drive.   On an engine prone to bearing failures, the old-school fix was a high-volume oil pump, thicker viscosity oil, looser bearing clearances, and maybe even fully-grooved main bearings. A heat engine is a machine, which converts heat energy into mechanical energy. The combustion of fuel such as coal, petrol, diesel generates heat. This heat is supplied to a working substance at high temperature. By the expansion of this substance in suitable machines, heat energy is . Internal combustion engine Four-stroke engine. A four-stroke engine (or four-cycle engine) is an internal combustion engine in which the working chamber completes four separate strokes which constitute a single thermodynamic cycle. A stroke refers to .

Energy efficient engine ICLS engine bearings, drives and configuration: Detail design report The detailed design of the forward and aft sumps, the accessory drive system, the lubrication system, and the piping/manifold configuration to be employed in the ICLS engine test of the Energy Efficient Engine is addressed in the report. The design goals for the above components were established based.   The Main Properties Engine Bearings Must Posses: Load Capacity (fatigue strength) is the maximum value of cycling stress that the bearing can withstand without developing fatigue cracks after an infinite number of cycles.. Wear Resistance is the ability of the bearing material to maintain its dimensional stability (oil clearance) under the conditions of mixed lubrication regime and in the. A spun bearing is even worse, especially if it happens at high RPM because it will usually break a rod and destroy the engine. Bearing Selection. Rule #1 when building a high performance engine is to follow the recommendations of the bearing manufacturer as to which type of bearings to use in a particular application. Don’t try to second.   Those familiar with engine bearing design know that the lug on a bearing is there strictly to locate it fore-aft in the housing bore. “Since the lug pockets in connecting rods and blocks need to be machined, OEM have been eliminating lugs for bearings for some time now,” McKnight points out.