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Matching of High-Output Turbocharged Engines for Maximum Torque Backup and Emission Reduction Based on the Use of Variable Geometry Compressors and Turbines
ISSN: 0148-7191, e-ISSN: 2688-3627
Published February 01, 1974 by SAE International in United States
Annotation ability available
Turbine performance programs based on relatively simple one-dimensional considerations of great value when investigating the effect of variable nozzle angle or turbocharger matching, and compressor programs based on a combination of one-dimensional flow formulations for rotor and diffuser are discussed. A complete survey has been carried out and the results show that by use of optimized turbine nozzle angle and compressor prewhirl schedules, a fueling schedule appropriate to high torque backup at just over half engine speed can be employed without exceeding the operating limits of the engine with respect to air/fuel ratio (A/F), exhaust temperature, or maximum cylinder pressure.
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CitationWallace, F. and Sivakuraman, K., "Matching of High-Output Turbocharged Engines for Maximum Torque Backup and Emission Reduction Based on the Use of Variable Geometry Compressors and Turbines," SAE Technical Paper 740738, 1974, https://doi.org/10.4271/740738.
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