Results 211 to 220 of about 53,698 (266)
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Performance Estimation of Axial Flow Turbines
Proceedings of the Institution of Mechanical Engineers, 1970A comprehensive method of estimating the performance of axial flow steam and gas turbines is presented, based on analysis of linear cascade tests on blading, on a number of turbine test results, and on air tests of model casings. The validity of the use of such data is briefly considered.
H. R. M. Craig, H. J. A. Cox
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Separating Loss in Axial-Flow-Turbine Cascades
Journal of Engineering Physics and Thermophysics, 2020The use of a system of basic hydrogasdynamic equations, which was written for the portion of contraction of the flow at entry into a cascade of axial-flow turbine profiles at large angles of reattachment to the walls of a blade passage, has enabled the authors to obtain analytical dependences (characteristics) of the loss on the angles of entry of the ...
Yu. A. Grishin, V. N. Bakulin
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Secondary Flows in Axial Turbines—A Review
Annals of the New York Academy of Sciences, 2001Abstract: An important problem that arises in the design and the performance of axial flow turbines is the understanding, analysis, prediction and control of secondary flows. Sieverding1 has given a review of secondary flow literature, covering up to 1985.
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Performance of Axial-Flow Turbines
Proceedings of the Institution of Mechanical Engineers, 1948The advent of the gas-turbine engine, with its absolute dependence on high component efficiencies for reasonable economic operation, and the necessity for new materials which will withstand high stresses at much greater temperatures than encountered on steam turbines, has led engineers to review the design of turbines closely both from an aerodynamic ...
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Three-dimensional unsteady flow in an axial flow turbine
Journal of Propulsion and Power, 1985The results of an experimental program directed at understanding the unsteady mean and turbulent flow in a large-scale -l-Vi stage research turbine are presented. High response instrumentation and the phase-locked averaging data reduction technique were utilized to acquire data having high spatial and temporal resolution.
O. P. Sharma +3 more
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1979
There are several distinctive types of axial turbine including both impulse and reaction, single and velocity compounded.
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There are several distinctive types of axial turbine including both impulse and reaction, single and velocity compounded.
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1981
The turbine is used to extract energy from a flowing stream of gas and has the general characteristics introduced in section 1.3. In the axial flow turbine, the gas flows through an annular passage surrounding the rotating power output shaft, in a direction substantially parallel to the axis of the shaft.
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The turbine is used to extract energy from a flowing stream of gas and has the general characteristics introduced in section 1.3. In the axial flow turbine, the gas flows through an annular passage surrounding the rotating power output shaft, in a direction substantially parallel to the axis of the shaft.
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Throughflow analysis of axial flow turbines
Computer Methods in Applied Mechanics and Engineering, 1983Abstract The development of a streamline curvature throughflow program to predict the flow through an axial flow turbine is described. The program can be used to predict the performance of the turbine at both design and off-design conditions. Comparison of the predictions of the program with flow measurements in a single-stage and in a two-stage ...
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Efficient Axial Flow Turbine for Solar Chimney
Journal of Thermal Science and Engineering Applications, 2019Abstract Many solar technologies are developed to encourage the usage of solar energy throughout the world. The solar chimney power plant (SCPP) is a newfangled technology that utilizes solar energy to generate more clean energy. This paper presents a new design of the SCPP turbine based on the aerodynamic optimization approach of a wind
Walid M. A. Elmagid +2 more
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Secondary Flows and Losses in Axial Flow Turbines
Journal of Engineering for Power, 1982A simple approach to the estimation of angle variation and losses produced by the secondary flows near the hub and casing of a turbine is presented. The angle variation is predicted by ‘classical’ secondary flow theory, and the loss by estimating three components of the loss and adding them together.
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