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Effect Of Aircraft Engine Turbine Design On The Size Of Blade Tip Clearance
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Book Synopsis Effect of Aircraft-Engine Turbine Design on the Size of Blade Tip Clearance by : S. Szczecinski
Download or read book Effect of Aircraft-Engine Turbine Design on the Size of Blade Tip Clearance written by S. Szczecinski and published by . This book was released on 1969 with total page 11 pages. Available in PDF, EPUB and Kindle. Book excerpt: The optimal selection of turbine blade tip clearances is one of the most complex and critical problems in the design and operation of aircraft turbine engines. In addition to the ambient temperature, the tip clearance of rotor blades in the cold state is affected by the temperature variation under various operating conditions. Some stresses on turbine components depend on the angular velocity; the deformation will vary for different rpm, which must be considered in determining the necessary tip clearance. In general, the accepted tip clearance is 2 percent of the mean blade length in a given turbine stage. It has been found that in turboprop engines, the casing and rotor stresses increase as the rotor velocity increases. In turbojet engines, the stresses are relatively high at low rpm, followed by a decrease and then increase again reaching the maximum magnitude at high rpm. These stress variations are caused by gas temperature changes. The minimum tip clearance depends mainly on the turbine design, and, in some cases, it is possible to achieve a practically constant tip clearance. Heat resistant turbine casing linings do not seem to be necessary in all cases. (Author).
Book Synopsis Turbine Blade Tip Design and Tip Clearance Treatment by : Tony Arts
Download or read book Turbine Blade Tip Design and Tip Clearance Treatment written by Tony Arts and published by . This book was released on 2004 with total page 586 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effect of Chord Size on Weight and Cooling Characteristics of Air-cooled Turbine Blades by : Jack B. Esgar
Download or read book Effect of Chord Size on Weight and Cooling Characteristics of Air-cooled Turbine Blades written by Jack B. Esgar and published by . This book was released on 1957 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt: An analysis has been made to determine the effect of chord size on the weight and cooling characteristics of shell-supported, air-cooled gas-turbine blades. In uncooled turbines with solid blades, the general practice has been to design turbines with high aspect ratio (small blade chord) to achieve substantial turbine weight reduction. With air-cooled blades, this study shows that turbine blade weight is affected to a much smaller degree by the size of the blade chord.
Book Synopsis A Reduced Model for Prediction of Thermal and Rotational Effects on Turbine Tip Clearance by :
Download or read book A Reduced Model for Prediction of Thermal and Rotational Effects on Turbine Tip Clearance written by and published by . This book was released on 2003 with total page 34 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Blade Tip Clearance Effect on the Performance and Flow Field of a Three Stage Axial Turbine by : Sharef Aly Abdel-Fattah
Download or read book Blade Tip Clearance Effect on the Performance and Flow Field of a Three Stage Axial Turbine written by Sharef Aly Abdel-Fattah and published by . This book was released on 2003 with total page 260 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Gas Turbines for Electric Power Generation by : S. Can Gülen
Download or read book Gas Turbines for Electric Power Generation written by S. Can Gülen and published by Cambridge University Press. This book was released on 2019-02-14 with total page 735 pages. Available in PDF, EPUB and Kindle. Book excerpt: Everything you wanted to know about industrial gas turbines for electric power generation in one source with hard-to-find, hands-on technical information.
Book Synopsis Experimental Investigation of Air-cooled Turbine Blades in Turbojet Engine by : Herman H. Ellerbrock (Jr.)
Download or read book Experimental Investigation of Air-cooled Turbine Blades in Turbojet Engine written by Herman H. Ellerbrock (Jr.) and published by . This book was released on 1951 with total page 78 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1972 with total page 1056 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Cost/benefit Studies of Advanced Materials Technologies for Future Aircraft Turbine Engines: Materials for Advanced Turbine Engines by :
Download or read book Cost/benefit Studies of Advanced Materials Technologies for Future Aircraft Turbine Engines: Materials for Advanced Turbine Engines written by and published by . This book was released on 1982 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Effect of Clearance on Unshrouded Ceramic Matrix Composite High Pressure Turbine Blade at Two Different Solidities by : Prashanth Mohana Sundaram
Download or read book The Effect of Clearance on Unshrouded Ceramic Matrix Composite High Pressure Turbine Blade at Two Different Solidities written by Prashanth Mohana Sundaram and published by . This book was released on 2021 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: A numerical study was conducted to evaluate the effect of varying tip clearances on the aerodynamic performance of an unshrouded first stage high pressure turbine ceramic matrix composite rotor blade. The analysis was carried out for three values of clearances (1%, 2% and 3% of blade span). The inlet temperature, pressure and blade rotational speed used for the analysis were specified by NASA for a notional single aisle aircraft engine to be available in the N+3 time frame, beyond 2030. As a measure for aerodynamic performance, we evaluated the total pressure loss coefficient, blade row efficiency/stage efficiency and examined other flow characteristics around the blade. In addition, we also analyzed the effect of increase in blade count (increase in solidity) on the aerodynamic performance at different tip clearances. The efficiency varied linearly with clearances larger than 1% Span for both solidity cases. Moreover, by increasing the solidity, we found the separation on the suction side of the surface for the lower solidity case vanished. This translated to a ~1% increase in efficiency for the higher solidity case over the lower solidity. Pressure loss profiles vs blade span were also compared, providing insight into the flow dynamics of the different clearances for both solidity cases.
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1995 with total page 610 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Axial Turbine Aerodynamics for Aero-engines by : Zhengping Zou
Download or read book Axial Turbine Aerodynamics for Aero-engines written by Zhengping Zou and published by Springer. This book was released on 2018-01-11 with total page 572 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is a monograph on aerodynamics of aero-engine gas turbines focusing on the new progresses on flow mechanism and design methods in the recent 20 years. Starting with basic principles in aerodynamics and thermodynamics, this book systematically expounds the recent research on mechanisms of flows in axial gas turbines, including high pressure and low pressure turbines, inter-turbine ducts and turbine rear frame ducts, and introduces the classical and innovative numerical evaluation methods in different dimensions. This book also summarizes the latest research achievements in the field of gas turbine aerodynamic design and flow control, and the multidisciplinary conjugate problems involved with gas turbines. This book should be helpful for scientific and technical staffs, college teachers, graduate students, and senior college students, who are involved in research and design of gas turbines.
Book Synopsis Turbomachinery Flow Physics and Dynamic Performance by : Meinhard T. Schobeiri
Download or read book Turbomachinery Flow Physics and Dynamic Performance written by Meinhard T. Schobeiri and published by Springer Science & Business Media. This book was released on 2006-01-16 with total page 535 pages. Available in PDF, EPUB and Kindle. Book excerpt: Over the past three decades turbomachines experienced a steep increase in efficiency and performance. Based on fundamental principles of turbomachinery thermo-fluid mechanics, numerous CFD based calculation methods are being developed to simulate the complex 3-dimensional, highly unsteady turbulent flow within turbine or compressor stages. The objective of this book is to present the fundamental principals of turbomachinery fluid-thermodynamic design process of turbine and compressor components, power generation and aircraft gas turbines in a unified and compact manner. The book provides senior undergraduate students, graduate students and engineers in the turbomachinery industry with a solid background of turbomachinery flow physics and performance fundamentals that are essential for understanding turbomachinery performance and flow complexes.
Book Synopsis Fundamentals of Gas Turbines by : William W. Bathie
Download or read book Fundamentals of Gas Turbines written by William W. Bathie and published by John Wiley & Sons. This book was released on 1996 with total page 494 pages. Available in PDF, EPUB and Kindle. Book excerpt: Presents the fundamentals of the gas turbine engine, including cycles, components, component matching, and environmental considerations.
Book Synopsis Principles of Turbomachinery in Air-Breathing Engines by : Erian A. Baskharone
Download or read book Principles of Turbomachinery in Air-Breathing Engines written by Erian A. Baskharone and published by Cambridge University Press. This book was released on 2006-07-31 with total page 599 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is intended for advanced undergraduate and graduate students in mechanical and aerospace engineering taking a course commonly called Principles of Turbomachinery or Aerospace Propulsion. The book begins with a review of basic thermodynamics and fluid mechanics principles to motive their application to aerothermodynamics and real-life design issues. This approach is ideal for the reader who will face practical situations and design decisions in the gas turbine industry. The text is fully supported by over 200 figures, numerous examples, and homework problems.
Book Synopsis Turbine Blade Tip Design and Tip Clearance Treatment by : Tony Arts
Download or read book Turbine Blade Tip Design and Tip Clearance Treatment written by Tony Arts and published by . This book was released on 2004 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis An Experimental and Analytical Study of Blade Tip-clearance Effects on an Axial-flow Turbine Performance by :
Download or read book An Experimental and Analytical Study of Blade Tip-clearance Effects on an Axial-flow Turbine Performance written by and published by . This book was released on 1982 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt:
