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Author : D. C. Wisler
Publisher :
ISBN 13 :
Total Pages : 86 pages
Book Rating : 4.:/5 (641 download)
Download or read book Preliminary Design Study of Advanced Multistage Axial Flow Core Compressors written by D. C. Wisler and published by . This book was released on 1977 with total page 86 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : H. V. Marman
Publisher :
ISBN 13 :
Total Pages : 54 pages
Book Rating : 4.:/5 (641 download)
Download or read book Preliminary Compressor Design Study for an Advanced Multistage Axial Flow Compressor written by H. V. Marman and published by . This book was released on 1976 with total page 54 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Louis M. Larosiliere
Publisher :
ISBN 13 :
Total Pages : 36 pages
Book Rating : 4.:/5 (515 download)
Download or read book Aerodynamic Design Study of Advanced Multistage Axial Compressor written by Louis M. Larosiliere and published by . This book was released on 2002 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : M. L. Miller
Publisher :
ISBN 13 :
Total Pages : 76 pages
Book Rating : 4.:/5 (317 download)
Download or read book Parametric Study of Advanced Multistage Axial-flow Compressors written by M. L. Miller and published by . This book was released on 1967 with total page 76 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Lewis Research Center
Publisher :
ISBN 13 :
Total Pages : 542 pages
Book Rating : 4.F/5 ( download)
Download or read book Aerodynamic Design of Axial-flow Compressors written by Lewis Research Center and published by . This book was released on 1965 with total page 542 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Robert O. Bullock
Publisher :
ISBN 13 :
Total Pages : 552 pages
Book Rating : 4.:/5 (317 download)
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:
Author :
Publisher :
ISBN 13 :
Total Pages : 375 pages
Book Rating : 4.:/5 (227 download)
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.
Author : Ronald H. Aungier
Publisher : American Society of Mechanical Engineers
ISBN 13 :
Total Pages : 386 pages
Book Rating : 4.3/5 (91 download)
Download or read book Axial-flow Compressors written by Ronald H. Aungier and published by American Society of Mechanical Engineers. This book was released on 2003 with total page 386 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a thorough description of an aerodynamic design and analysis systems for Axial-Flow Compressors. It describes the basic fluid dynamic and thermodynamic principles, empirical models and numerical methods used for the full range of procedures and analytical tools that an engineer needs for virtually any tupe of Axial-Flow Compressor, aerodynamic design or analysis activity. It reviews and evaluates several design strategies that have been recommended in the literature or which have been found to be effective. It gives a complete description of an actual working system, such that readers can implement all or part of the system. Engineers responsible for developing, maintaining of improving design and analysis systems can benefit greatly from this type of reference. The technology has become so complex and the role of computers so pervasive that about the only way this can be done today is to concentrate on a specific design and analysis system. The author provides practical methodology as well as the details needed to implement the suggested procedures.
Author :
Publisher :
ISBN 13 :
Total Pages : 298 pages
Book Rating : 4.:/5 (227 download)
Download or read book Design 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 298 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report describes the aerodynamic design of a transonic axial- flow compressor inlet stage designed for high flow rate per unit frontal area and relatively high aerodynamic loading. The performance objectives of this stage were derived from a preliminary design study of a multi-stage compressor for an advanced turbojet engine. The design goals chosen included a tip speed of 1500 ft/sec, a flow rate of 39.7 lb/sec per square foot of frontal area, a stage total pressure ratio of 1.91 and a stage isentropic efficiency of 0.83. The techniques used in the preliminary and detail designs are described. The complete aerodynamic flow field pertaining to the design point is defined on twenty-one stream surfaces, and radial and meridional distributions of significant parameters are presented. Finally, the detailed flowpath geometry is defined and airfoil coordinates are included for both stream surfaces and cartesian manufacturing sections.
Author : Sameer Kulkarni
Publisher :
ISBN 13 :
Total Pages : 112 pages
Book Rating : 4.:/5 (932 download)
Download or read book Development of a Methodology to Estimate Aero-performance and Aero-operability Limits of a Multistage Axial Flow Compressor for Use in Preliminary Design written by Sameer Kulkarni and published by . This book was released on 2012 with total page 112 pages. Available in PDF, EPUB and Kindle. Book excerpt: The preliminary design of multistage axial compressors in gas turbine engines is typically accomplished with mean-line methods. These methods, which rely on empirical correlations, estimate compressor performance well near the design point, but may become less reliable off-design. For land-based applications of gas turbine engines, off-design performance estimates are becoming increasingly important, as turbine plant operators desire peaking or load-following capabilities and hot-day operability. The current work implements a one-dimensional stage stacking procedure, including a new blockage term, which is used to estimate off-design compressor performance and operability range of a 13-stage axial compressor used for power generation. The procedure utilizes stage characteristics which are constructed from computational fluid dynamics (CFD) simulations of groups of stages. The stage stacking estimates match well with CFD results. These CFD results are used to assess a metric which estimates the stall limiting stages.
Author : Edward M. Rex
Publisher :
ISBN 13 :
Total Pages : 43 pages
Book Rating : 4.:/5 (132 download)
Download or read book An Axial Flow Compressor written by Edward M. Rex and published by . This book was released on 1956 with total page 43 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : United States. National Advisory Committee for Aeronautics
Publisher :
ISBN 13 :
Total Pages : 544 pages
Book Rating : 4.F/5 ( download)
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.
Author : Willard R. Westphal
Publisher :
ISBN 13 :
Total Pages : 66 pages
Book Rating : 4.3/5 (91 download)
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.
Author : James E. Crouse
Publisher :
ISBN 13 :
Total Pages : 112 pages
Book Rating : 4.:/5 (31 download)
Download or read book Computer Program for Aerodynamic and Blading Design of Multistage Axial-flow Compressors written by James E. Crouse and published by . This book was released on 1981 with total page 112 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Melvyn Savage
Publisher :
ISBN 13 :
Total Pages : 62 pages
Book Rating : 4.:/5 (249 download)
Download or read book A Technique Applicable to the Aerodynamic Design of Inducer-type Multistage Axial-flow Compressors written by Melvyn Savage and published by . This book was released on 1952 with total page 62 pages. Available in PDF, EPUB and Kindle. Book excerpt: A method is presented for the preliminary design of high-pressure-ratio multistage axial-low compressors using the solid-body inducer design in which the first stage has the radial total-temperature distribution required to make the second-stage inlet axial velocity constant radially. The remaining stages have constant power input radially constant inlet axial velocities. Typical preliminary design calculations are presented for inlet hub-tip ratios of 0.40, 0.50, and 0.60 with weight flows ranging from 20.0 to 32.5 pounds per square foot of frontal area and average pressure ratios per stage ranging from 1.28 to 1.38. SOme of the effects of specific weight flow, rotational speed, hub-tip ratio, turning angle, and inlet air angle on power input, amount of radial flow, and over-all pressure ratio are investigated.
Author : Ronald H. Aungier
Publisher : American Society of Mechanical Engineers
ISBN 13 :
Total Pages : 336 pages
Book Rating : 4.3/5 (91 download)
Download or read book Centrifugal Compressors written by Ronald H. Aungier and published by American Society of Mechanical Engineers. This book was released on 2000 with total page 336 pages. Available in PDF, EPUB and Kindle. Book excerpt: A mechanical engineer with a Pennsylvania turbomachinery company, A ungier describes his own system and strategy for designing and analyzing centrifugal compressor aerodynamics. To address the novice as well as the experienced in the field, he presents the basic thermodynamic and fluid dynamic principles, empirical models, and key numerical methods that form the basis of his methods. His strategy, or design practice, he found harder to describe because it involves a process of reasoning rather than following an established set of principles. He recognizes that his is only one of many possible methods, but makes no effort to compare or contrast his with any other.
Author : Shawn A. Miller
Publisher :
ISBN 13 : 9781423563297
Total Pages : 94 pages
Book Rating : 4.5/5 (632 download)
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.
