Procedure for Calculating Turbine Blade Temperatures and Comparison of Calculated with Observed Values for Two Stationary Air-cooled Blades PDF Download
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Author: W. Byron Brown
Publisher:
ISBN:
Category : Aerodynamics
Languages : en
Pages : 44
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Book Description
Abstract: Local and average blade temperatures were calculated for two stationary air-cooled turbine blades with 10 tubes and 13 fins forming the internal heat-transfer surfaces. These temperatures were calculated using previously published NACA temperature-distribution equations and the most recent theories for determining heat-transfer coefficients, including for the first time the allowance for effects of variable wall temperature on gas-to-blade heat-transfer coefficients at the leading and trailing sections of turbine blades. Comparison of calculated and experimental blade temperatures, for gas temperatures of 300° and 1000°F, resulted in good agreement.
Author: W. Byron Brown
Publisher:
ISBN:
Category : Aerodynamics
Languages : en
Pages : 44
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Book Description
Abstract: Local and average blade temperatures were calculated for two stationary air-cooled turbine blades with 10 tubes and 13 fins forming the internal heat-transfer surfaces. These temperatures were calculated using previously published NACA temperature-distribution equations and the most recent theories for determining heat-transfer coefficients, including for the first time the allowance for effects of variable wall temperature on gas-to-blade heat-transfer coefficients at the leading and trailing sections of turbine blades. Comparison of calculated and experimental blade temperatures, for gas temperatures of 300° and 1000°F, resulted in good agreement.
Author: United States. National Advisory Committee for Aeronautics
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 442
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Author: United States. National Advisory Committee for Aeronautics
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 508
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Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 818
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Author: United States. National Advisory Committee for Aeronautics
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 580
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Author:
Publisher:
ISBN:
Category : Astronautics
Languages : en
Pages : 552
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Author:
Publisher:
ISBN:
Category : Mechanical engineering
Languages : en
Pages : 592
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Book Description
Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 1038
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Book Description
Beginning Oct. 1959 some issues include "Russian supplement."
Author: American Society of Mechanical Engineers
Publisher:
ISBN:
Category : Mechanical engineering
Languages : en
Pages : 1034
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Book Description
Vols. 2, 4-11, 62-68 include the Society's Membership list; v. 55-80 include the Journal of applied mechanics (also issued separately) as contributions from the Society's Applied Mechanics Division.
Author: Herman H. Ellerbrock
Publisher:
ISBN:
Category : Turbines
Languages : en
Pages : 116
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Book Description
Analytical methods are available for calculating cooled-blade temperatures, but the calculations sometimes are tedious, complex, and time-consuming, especially if resutls are required for many sets of conditions and blade designs. As a consequence, an investigation was conducted to develop, simple, investigation was conducted to develop simple, inexpensive electric analogs for determining temperatures of cooled turbine blades. The accuracy of such analogs was determined by fabricating three for specific blade configurations and comparing values of blade temperatures obtained with them with calculated values of temperature when air-cooled blades was considered, and by relatxing the analog values for liquid-cooled blades and determining whether the residuals were acceptable. Analogs were made for a 13-fin shell-supported air-cooled blade, a strut-supported air-cooled blade, and a liquid-cooled blade.
