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Gas Turbines and Dust - The Effectiveness of an Inlet Air Cleaner
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English
Abstract
Two 60 kw, gas-turbine powered generator sets were operated together in a controlled environment containing 0.005 gm of selected dust per cubic foot of ambient air. One of the sets was equipped with an inertial-type air cleaner, but the other was unprotected.
The unprotected set was unable to carry its rated 60 kw load after 6 hr and 50 min of operation; the unit equipped with the intake air cleaner carried its rated load for nearly 132 hr before automatic shutdown occurred.
Both turbines were disassembled and inspected after shutdown. Most of the damage was confined to the air inlet housings, diffuser vanes, and turbine nozzles. Damage and dust ingestion parameters are discussed.
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Citation
Lawrason, G., "Gas Turbines and Dust - The Effectiveness of an Inlet Air Cleaner," SAE Technical Paper 700704, 1970, https://doi.org/10.4271/700704.Also In
References
- Montgomery James E. Clark J. M. Jr. “Dust Erosion Parameters for a Gas Turbine” Paper 538A SAE Summer Meeting Atlantic City June 1962
- Engelhardt R. W. Knebel G. W. “Characteristics of the Dust Environment in the Vicinity of Military Activities.” Southwest Research Institute Report No. AR-642 January 1968
- Pearson R. O. Meriwether R. F. “Effects of Dust Ingestion on Gas Turbine Performance and Endurance.” Southwest Research Institute Report No. AR-455 March 26 1962
- Wood C. D. Espenschade P. W. “Mechanisms of Dust Erosion.” SAE Transactions 73 1964 paper 880-A
- Thomas Gary E. “Effectiveness of an Inertial Air Cleaner in Extending Gas Turbine Life in a Dusty Environment.” Southwest Research Institute Report No. AR-643 March 1968