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1946 1948 1949 1949 Late 40s 1950 1952 1954 1954 1956 Late 50s Turbine inlet temperatures of various turbojet engines: GE I16: 1472F RR Derwent I: 1560F Junkers 004-B4 (Jumo): 1472F (The only axial of those listed here) GE I40: 1472F 62 (Nov. 14) GE built the second gas turbine locomotive. It was experimental, but successful enough for an order to be placed 12/50 and the first commercial units delivered 1/52. First stationary gas turbine built in the US for the purpose of generating electric power went into service in Oklahoma City on 7/29/49. Unit was 3500 kW and had a turbine inlet temperature of 1400F. Brown Boveri placed a 10,000 kW, double-shaft unit with intercooling, regeneration, and reheat in operation in Lima, Peru. Westinghouse forms a design group independent of the aircraft group to develop gas turbines for land based application. (4/50) Brown Boveri delivers the first commercial gas turbine locomotive to Great Western Railway in England. West Texas Utilities helps pioneer commercial combustion turbine baseload generation with a 5000 kW (W) unit. The new W81 combustion turbine achieves 21% efficiency at an inlet temperature of 1350F. Other technical advances included removable blading (a steam turbine spinoff) and more aerodynamic design of five-stage turbine (taken mainly from Westinghouse aircraft engine design practice). Boeing 707 makes maiden flight with four Pratt & Whitney JT-3 turbojet engines. Westinghouse offers a 5000 kW basic power generation turbine with a rotor inlet of 1350F and a full-load efficiency of 29%. Another turbine provides 15,000 kW and reaches 34% efficiency with the addition of intercooling to the regenerative cycle. GE begins development for first US turbofan engine (the CJ805-23.) It is tested on 12/27/57 and enters airline service in the 1960s. Introduction of light-weight simple-cycle gas generators and gas turbines into the power generation market. They have pressure ratios of about 12 and thermal efficiencies of about 25%. 62 William W. Bathie, Fundamentals of Gas Turbines, 2nd Ed. Ch. 1. 46PDF Image | Energy RD Performance: Gas Turbine Case Study
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