Optimizing The Efficiency Of A Multi Stage Axial Flow Compressor

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Optimizing the Efficiency of a Multi-Stage Axial-Flow Compressor

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Author : Shawn A. Miller
Publisher :
ISBN 13 : 9781423563297
Total Pages : 94 pages
Book Rating : 4.5/5 (632 download)

Book Synopsis Optimizing the Efficiency of a Multi-Stage Axial-Flow Compressor by : Shawn A. Miller

Download or read book Optimizing the Efficiency of a Multi-Stage Axial-Flow Compressor written by Shawn A. Miller and published by . This book was released on 1998-03-01 with total page 94 pages. Available in PDF, EPUB and Kindle. Book excerpt: The development of jet engines has become an integral part of maintaining air superiority. In order to achieve the most advanced engine, research has turned to traditional optimization methods to aid in creating new engine designs. To develop simplified mathematical models representative of the engine, the engine can be separated into its components. A jet engine has three major elements, the compressor, combustion chamber and turbine. This research attempts to make an initial analysis of a two stage compressor to determine values of blade angles and spacing to chord ratios for both stages that produce the highest possible efficiency for the overall two stage compressor. A pitch line model is developed for a two stage compressor and is used in conjunction with a optimization method to solve for the on design air angles and spacing to chord ratios. The results of the model were compared to examples available in current literature to ensure the model properly represents a compressor stage. The off design performance of the results was calculated to determine how the designs for on design operated under off design conditions. Since practical compressors are made up of many stages, consideration is given to which optimization method would be most useful in solving for a multistage compressor.

Aerodynamic Design of Axial Flow Compressors

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Author : Robert O. Bullock
Publisher :
ISBN 13 :
Total Pages : 552 pages
Book Rating : 4.:/5 (317 download)

Book Synopsis Aerodynamic Design of Axial Flow Compressors by : Robert O. Bullock

Download or read book Aerodynamic Design of Axial Flow Compressors written by Robert O. Bullock and published by . This book was released on 1965 with total page 552 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Analysis of the Effects of Design Pressure Ratio Per Stage and Off-design Efficiency on the Operating Range of Multistage Axial-flow Compressors

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Author : Melvyn Savage
Publisher :
ISBN 13 :
Total Pages : 40 pages
Book Rating : 4.3/5 (91 download)

Book Synopsis Analysis of the Effects of Design Pressure Ratio Per Stage and Off-design Efficiency on the Operating Range of Multistage Axial-flow Compressors by : Melvyn Savage

Download or read book Analysis of the Effects of Design Pressure Ratio Per Stage and Off-design Efficiency on the Operating Range of Multistage Axial-flow Compressors written by Melvyn Savage and published by . This book was released on 1950 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt: Multistage compressors composed of high-pressure-ratio stages have higher over-all off-design efficiencies and a wider operating range than those made up of low-pressure-ratio stages if the blade-row efficiency curves for the two cases are assumed to be somewhat similar.

Investigation of Performance of Typical Inlet Stage of Multistage Axial-flow Compressor

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Author : Jack R. Burtt
Publisher :
ISBN 13 :
Total Pages : 29 pages
Book Rating : 4.:/5 (78 download)

Book Synopsis Investigation of Performance of Typical Inlet Stage of Multistage Axial-flow Compressor by : Jack R. Burtt

Download or read book Investigation of Performance of Typical Inlet Stage of Multistage Axial-flow Compressor written by Jack R. Burtt and published by . This book was released on 1949 with total page 29 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Design and Tests of a Six-stage Axial-flow Compressor Having a Tip Speed of 550 Feet Per Second and a Flat Operating Characteristic at Constant Speed

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Author : Willard R. Westphal
Publisher :
ISBN 13 :
Total Pages : 66 pages
Book Rating : 4.3/5 (91 download)

Book Synopsis Design and Tests of a Six-stage Axial-flow Compressor Having a Tip Speed of 550 Feet Per Second and a Flat Operating Characteristic at Constant Speed by : Willard R. Westphal

Download or read book Design and Tests of a Six-stage Axial-flow Compressor Having a Tip Speed of 550 Feet Per Second and a Flat Operating Characteristic at Constant Speed written by Willard R. Westphal and published by . This book was released on 1958 with total page 66 pages. Available in PDF, EPUB and Kindle. Book excerpt: A six-stage axial-flow compressor with a tip speed of 550 feet per second and a flat operating characteristics at constant speed has been designed and tested. It was designed for a constant power input per pound of flow in expectation that this would result in a wider mass-flow operating range at a given stagnation-presssure ratio. The design specific weight flow was 21.3 pounds per second per square foot of frontal area at atmospheric discharge with a stagnation-pressure ratio of 3.25 and an inlet hub-tip radius ratio of 0.7. Several configurations consisting of various blade setting angles and solidities were tested. Tests showed that the design flow, pressure ratio, and flat operating characteristic were obtained over a range of 10 percent of design flow at a peak efficiency of 82 percent for design conditions. The compressor had a possible immediate application for air removal from a large slotted-throat transonic wind tunnel, but the design theory could apply to any low-speed industrial compressor or second spool of a turbojet engine.

ECOS 2012 The 25th International Conference on Efficiency, Cost, Optimization and Simulation of Energy Conversion Systems and Processes (Perugia, June 26th-June 29th, 2012)

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Author : Umberto Desideri
Publisher : Firenze University Press
ISBN 13 : 8866553220
Total Pages : 3218 pages
Book Rating : 4.8/5 (665 download)

Book Synopsis ECOS 2012 The 25th International Conference on Efficiency, Cost, Optimization and Simulation of Energy Conversion Systems and Processes (Perugia, June 26th-June 29th, 2012) by : Umberto Desideri

Download or read book ECOS 2012 The 25th International Conference on Efficiency, Cost, Optimization and Simulation of Energy Conversion Systems and Processes (Perugia, June 26th-June 29th, 2012) written by Umberto Desideri and published by Firenze University Press. This book was released on 2012 with total page 3218 pages. Available in PDF, EPUB and Kindle. Book excerpt: The 8-volume set contains the Proceedings of the 25th ECOS 2012 International Conference, Perugia, Italy, June 26th to June 29th, 2012. ECOS is an acronym for Efficiency, Cost, Optimization and Simulation (of energy conversion systems and processes), summarizing the topics covered in ECOS: Thermodynamics, Heat and Mass Transfer, Exergy and Second Law Analysis, Process Integration and Heat Exchanger Networks, Fluid Dynamics and Power Plant Components, Fuel Cells, Simulation of Energy Conversion Systems, Renewable Energies, Thermo-Economic Analysis and Optimisation, Combustion, Chemical Reactors, Carbon Capture and Sequestration, Building/Urban/Complex Energy Systems, Water Desalination and Use of Water Resources, Energy Systems- Environmental and Sustainability Issues, System Operation/ Control/Diagnosis and Prognosis, Industrial Ecology.

The Influence of the Diameter Ratio on the Characteristics Diagram of the Axial Compressor

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Author : Bruno Eckert
Publisher :
ISBN 13 :
Total Pages : 632 pages
Book Rating : 4.F/5 ( download)

Book Synopsis The Influence of the Diameter Ratio on the Characteristics Diagram of the Axial Compressor by : Bruno Eckert

Download or read book The Influence of the Diameter Ratio on the Characteristics Diagram of the Axial Compressor written by Bruno Eckert and published by . This book was released on 1948 with total page 632 pages. Available in PDF, EPUB and Kindle. Book excerpt: With the further development of axial blowers into highly loaded flow machines, the influence of the diameter ratio upon air output and efficiency gains in significance. Clarification of this matter is important for single-stage axial compressors, and is of still greater importance for multistage ones, and particularly for aircraft power plants. Tests with a single-stage axial blower gave a decrease in the attainable maximum pressure coefficient and optimum efficiency as the diameter ratio increased. The decrease must be ascribed chiefly to the guide surface of the hub and housing between the blades increasing with the diameter ratio.

Axial Flow Compressor Performance Optimization

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Author : Charles Joseph Bauer
Publisher :
ISBN 13 :
Total Pages : 76 pages
Book Rating : 4.:/5 (812 download)

Book Synopsis Axial Flow Compressor Performance Optimization by : Charles Joseph Bauer

Download or read book Axial Flow Compressor Performance Optimization written by Charles Joseph Bauer and published by . This book was released on 1972 with total page 76 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Axial Flow Compressor Design Optimization

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Author : Aristide Massardo
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (137 download)

Book Synopsis Axial Flow Compressor Design Optimization by : Aristide Massardo

Download or read book Axial Flow Compressor Design Optimization written by Aristide Massardo and published by . This book was released on 1989 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The design of an axial flow compressor stage has been formulated as a nonlinear mathematical programming problem with the objective of minimizing the aerodynamic losses, and the weight of the stage while, maximizing the compressor stall margin. Aerodynamic as well as mechanical constraints are considered in the problem formulation. A method of evaluating the objective function and constraints of the problem with a pitchline analysis is presented. The optimization problem is solved by using the penalty function method in which the Davidon-Fletcher-Powell variable metric minimization technique is employed. Designs involving the optimization of efficiency, weight of the stage, and stall margin are presented and the results discussed with particular reference to a multivariable objective function.

Standard Procedures for Rating and Testing Multistage Axial-flow Compressors

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Author : United States. National Advisory Committee for Aeronautics
Publisher :
ISBN 13 :
Total Pages : 544 pages
Book Rating : 4.F/5 ( download)

Book Synopsis Standard Procedures for Rating and Testing Multistage Axial-flow Compressors by : United States. National Advisory Committee for Aeronautics

Download or read book Standard Procedures for Rating and Testing Multistage Axial-flow Compressors written by United States. National Advisory Committee for Aeronautics and published by . This book was released on 1946 with total page 544 pages. Available in PDF, EPUB and Kindle. Book excerpt: In order to establish a standard procedure for rating and testing multistage axial-flow compressors, the NACA Subcommittee on Compressors appointed a panel to write such a procedure. This panel made recommendations for standardization of test setups, instrumentation, test procedure, data to be taken, and the presentation of the data. These recommendations are presented.

Investigation of a 1500 Ft/sec, Transonic, High-through-Flow, Single- Stage Axial-Flow Compressor with Low Hub/Tip Ratio

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Author :
Publisher :
ISBN 13 :
Total Pages : 375 pages
Book Rating : 4.:/5 (227 download)

Book Synopsis Investigation of a 1500 Ft/sec, Transonic, High-through-Flow, Single- Stage Axial-Flow Compressor with Low Hub/Tip Ratio by :

Download or read book Investigation of a 1500 Ft/sec, Transonic, High-through-Flow, Single- Stage Axial-Flow Compressor with Low Hub/Tip Ratio written by and published by . This book was released on 1976 with total page 375 pages. Available in PDF, EPUB and Kindle. Book excerpt: Complete experimental results are presented from tests of an axial compressor stage designed for a flow per frontal area of 39.7 lb/sec/ft square, a total pressure ratio of 1.912 and a tip speed of 1500 ft/sec. The performance objectives of this stage were derived from a preliminary design study of a multi-stage compressor for an advanced turbojet engine. Since the most serious aerodynamic design problems of the over-all compressor were observed to be associated with the first stage, this stage was chosen as the subject of a research program. Results of the tests indicated that, at design speed, design flow was achieved with a rotor isentropic efficiency of 90.4 percent, a stage isentropic efficiency of 88.2 percent and a stage total pressure ratio of 2.065.

Three-dimensional Performance Prediction of Multistage Axial Flow Compressors with a Repeating Stage Model

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Author : Y. G. Li
Publisher :
ISBN 13 :
Total Pages : 12 pages
Book Rating : 4.:/5 (11 download)

Book Synopsis Three-dimensional Performance Prediction of Multistage Axial Flow Compressors with a Repeating Stage Model by : Y. G. Li

Download or read book Three-dimensional Performance Prediction of Multistage Axial Flow Compressors with a Repeating Stage Model written by Y. G. Li and published by . This book was released on 1999 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Computational Analysis of a Multistage Axial Compressor

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Author : Chaithanya Mamidoju
Publisher :
ISBN 13 :
Total Pages : 41 pages
Book Rating : 4.:/5 (892 download)

Book Synopsis Computational Analysis of a Multistage Axial Compressor by : Chaithanya Mamidoju

Download or read book Computational Analysis of a Multistage Axial Compressor written by Chaithanya Mamidoju and published by . This book was released on 2014 with total page 41 pages. Available in PDF, EPUB and Kindle. Book excerpt: Turbomachines are used extensively in Aerospace, Power Generation, and Oil & Gas Industries. Efficiency of these machines is often an important factor and has led to the continuous effort to improve the design to achieve better efficiency. The axial flow compressor is a major component in a gas turbine with the turbine's overall performance depending strongly on compressor performance. Traditional analysis of axial compressors involves through flow calculations, isolated blade passage analysis, Quasi-3D blade-to-blade analysis, single-stage (rotor-stator) analysis, and multi-stage analysis involving larger design cycles. In the current study, the detailed flow through a 15 stage axial compressor is analyzed using a 3-D Navier Stokes CFD solver in a parallel computing environment. Methodology is described for steady state (frozen rotor stator) analysis of one blade passage per component. Various effects such as mesh type and density, boundary conditions, tip clearance and numerical issues such as turbulence model choice, advection model choice, and parallel processing performance are analyzed. A high sensitivity of the predictions to the above was found. Physical explanation to the flow features observed in the computational study are given. The total pressure rise verses mass flow rate was computed.

Analysis of Stage Matching and Off-design Performance of Multistage Axial-flow Compressors

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Author : Harold B. Finger
Publisher :
ISBN 13 :
Total Pages : 38 pages
Book Rating : 4.:/5 (11 download)

Book Synopsis Analysis of Stage Matching and Off-design Performance of Multistage Axial-flow Compressors by : Harold B. Finger

Download or read book Analysis of Stage Matching and Off-design Performance of Multistage Axial-flow Compressors written by Harold B. Finger and published by . This book was released on 1952 with total page 38 pages. Available in PDF, EPUB and Kindle. Book excerpt:

A simple method of calculating the off-design performance of multi-stage axial-flow compressor

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Author : Masakatsu Matsuki
Publisher :
ISBN 13 :
Total Pages : 8 pages
Book Rating : 4.:/5 (757 download)

Book Synopsis A simple method of calculating the off-design performance of multi-stage axial-flow compressor by : Masakatsu Matsuki

Download or read book A simple method of calculating the off-design performance of multi-stage axial-flow compressor written by Masakatsu Matsuki and published by . This book was released on 1965 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Some Methods of Analyzing the Effect of Basic Design Variables on Axial-flow-compressor Performance

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Author : John T. Sinnette (Jr.)
Publisher :
ISBN 13 :
Total Pages : 66 pages
Book Rating : 4.3/5 (91 download)

Book Synopsis Some Methods of Analyzing the Effect of Basic Design Variables on Axial-flow-compressor Performance by : John T. Sinnette (Jr.)

Download or read book Some Methods of Analyzing the Effect of Basic Design Variables on Axial-flow-compressor Performance written by John T. Sinnette (Jr.) and published by . This book was released on 1947 with total page 66 pages. Available in PDF, EPUB and Kindle. Book excerpt:

2023 Asia-Pacific International Symposium on Aerospace Technology (APISAT 2023) Proceedings

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Author : Song Fu
Publisher : Springer Nature
ISBN 13 : 981974010X
Total Pages : 1991 pages
Book Rating : 4.8/5 (197 download)

Book Synopsis 2023 Asia-Pacific International Symposium on Aerospace Technology (APISAT 2023) Proceedings by : Song Fu

Download or read book 2023 Asia-Pacific International Symposium on Aerospace Technology (APISAT 2023) Proceedings written by Song Fu and published by Springer Nature. This book was released on with total page 1991 pages. Available in PDF, EPUB and Kindle. Book excerpt: