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Sunday, July 26, 2020 | History

2 edition of Measurement of performance of a radial inflow turbine found in the catalog.

Measurement of performance of a radial inflow turbine

B. Nikpour

Measurement of performance of a radial inflow turbine

by B. Nikpour

  • 211 Want to read
  • 9 Currently reading

Published by UMIST in Manchester .
Written in English


Edition Notes

StatementB. Nikpour ; Supervised by: Winterbone, D.E..
ContributionsWinterbone, D. E., Supervisor., Mechanical Engineering (T.F.M.).
ID Numbers
Open LibraryOL21846739M

AbstractThis paper describes the development of a high-power high-speed eddy current dynamometer for turbocharger turbine research. Turbochargers are present in virtually all automotive diesel engi. The turbine losses, which are INTRODUCTION The analysis of a power or propulsion system involves many repetitive calculations of component performance and geometry over a range of conditions. are most easily and quickly done by a computer. gas turbine systems is the radial-inflow turbine.

ASME Measurement of Exhaust Emissions from Stationary Gas Turbine Engines B, Published ASME PTC 36 Measurement of Industrial Sound (ASME B), Performance of a Radial-Inflow Turbine Losses in a Radial-Inflow Turbine Radial-Inflow Turbine Applications Bibliography 9 Axial-Flow Turbines Estimation of the Extended Turbine Maps for a Radial Inflow Turbine Characterization of radial turbine performance is usually represented by turbine characteristics maps. These maps illustrate the relationship between the most representative variables which describe the system behavior.

concept, for modeling radial inflow turbine rotors, and for The performance of radial turbines can exceed that of axial providing data for code verification, turbines in small size applications. In addition, one radial Two rotors were designed to have a shorter axial length, up stage may replace two or possibly more axial stages because. An experimental investigation of a inch (cm) diameter radial-inflow tur- bine was made to determine the performance characteristics of a radial turbine in this small size range. The experimental results are compared with those obtained from two turbines of geometrically similar design but with tip diameters of and inches.


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Measurement of performance of a radial inflow turbine by B. Nikpour Download PDF EPUB FB2

The mixed-flow radial-inflow turbine and the radial-inflow turbine have slight differences at the blade inlet as shown in Figure The radial-inflow turbine has a full 90° change from the inlet to the exit as the blades are in a radial position.

In the mixed-flow impeller, the. About this Item: Independently Published, United States, Paperback. Condition: New. Language: English. Brand new Book. A scale model of a turbine Measurement of performance of a radial inflow turbine book designed for the core of a high-bypass-ratio aircraft engine was tested with uniform inlet conditions and with an inlet radial temperature profile simulating engine conditions.

The literature includes a number of investigations into the performance analysis of radial-inflow turbines [67, 68, 75–83]. But unlike other popular turbomachinery types, the literature really doesn't provide any comprehensive and well-validated performance prediction systems for these machines.

An experimental radial-inflow turbine having a pressure ratio of was constructed, and the effect of dimensional parameters of an impeller was examined by performance tests of the turbine using.

Its performance affects the cycle performance significantly. The advantages of the radial inflow turbine are the more compact structure, the lower operation cost and the higher reliability compared with the axial turbine. Therefore, the radial inflow turbine is widely used in the preliminary test loops of the S-CO 2 Brayton by: 1.

Performance of a radial-inflow turbine integrated in an ORC system and designed for a WHR on truck application: An experimental comparison between Rfa and Rzd Based on the measurements, the thermodynamic performance of the ORC unit are evaluated and compared for the two fluids.

Investigators developing this system specifically for radial-inflow turbines would normally avoid the need to reverse the geometry.

Hence, the descriptions provided in this chapter address this problem in the turbine orientation. This requires use of internal flow analysis procedures describe in subsequent chapters of this book. These. Turbine Aerodynamics: Axial-Flow and Radial-Flow Turbine Design and Analysis Detailed Aerodynamic Design of Radial-Inflow Turbine Components Coupling a Numerical Optimization Technique with a Panel Method or a Vortex Lattice Method to Design Cavitating Propellers in Non-Uniform Inflows.

@article{osti_, title = {Design of radial turbomachines}, author = {Whitfield, A and Baines, N C}, abstractNote = {This book describes the current technology and design methods for centrifugal compressors and radial turbines working in compressible flow.

A recognition of current computer-aid design methods is included as well as computer program listings for preliminary design. Purchase Gas Turbine Engineering Handbook - 4th Edition. Print Book & E-Book. ISBNAxial-flow turbines and radial-inflow turbines are the two most common types of dynamic turbines.

The flow streamlines through the blade rows of an axial-flow turbine have essentially a constant radius, whereas there is a substantial reduction in radius through the radial-inflow turbine.

The 90 degrees radial inflow turbine is more common, where there is a 90 degrees change of flow direction in the rotor, and the flow leaves the rotor in an axial direction. The radial inflow turbine is very common.

The diesel engine turbocharger is usually a radial inflow turbine mounted back to back to a radial outflow compressor. Radial inflow turbine is an important working output device in compressed air energy storage (CAES) system.

It influences the system's efficiency significantly. However, the investigation about effect of back cavity leakage flow on flow loss in radial unshrouded rotor is still needed, especially under variable operation condition of CAES system. The steady flow results indicated that the mixed-flow turbine obtains a peak efficiency (total-to-static) of 75 per cent at a velocity ratio ofcompared with that of a typical radial-inflow turbine which peaks at a velocity ratio of Abstract.

This paper presents the test performance of a lightly loaded, combination radial/axial turbine for a hp, two-shaft gas turbine. This two-stage turbine configuration which included an interstage duct and an exhaust duct discharging vertically to ambient pressure conditions, was shown to be capable of attaining an overall isentropic efficiency of percent.

turbine, never as india7iden8wl c*ornpo~~elrls, Performance measurements there- fore correspovld to a diffuser inlel flow cor~dition that Bnchdes high turbulence and radial gradients in flow, pressure, temperature, and flow angle.

Test operation wit11 the second diffrrser was run in cold argon with ho inlet pressures, psia and 20 psia. In this paper the performance characteristics of a turbocharger twin-entry radial inflow gas turbine with asymmetrical volute and rotor tip diameter of mm in steady state and under full and.

This paper outlines a novel meanline off-design model to predict the performance characteristics of a radial inflow turbine that operates with ideal and real working fluids. Experimental data available in open literature were used for validation, including radial turbines that operate with both ideal gas (air) and real working fluids (R).

A comprehensive one-dimensional meanline design approach for radial inflow turbines is described in the present work. An original code was developed in Python that takes a novel approach to the automatic selection of feasible machines based on pre-defined performance or geometry characteristics for a given application.

Empirical Performance Models for Axial-Flow Turbine Blade Rows. Aerodynamic Performance Analysis of Axial-Flow Turbines. Preliminary Aerodynamic Design of Axial-Flow Turbine Stages. Detailed Airfoil Design for Axial-Flow Turbines.

Industrial Axial-Flow Turbine Application Procedures. Aerodynamic Performance Analysis of Radial-Inflow Turbines. Detailed Design and Aerodynamic Performance Analysis of a Radial-Inflow Turbine Article (PDF Available) in Applied Sciences 8(11) November with Reads How we measure 'reads'.The reference turbine stage used for the present study is a radial inflow turbine designed and built by Liebherr Aerospace Toulouse S.A.

Figure 1 shows a sketch of this turbine. It has a nozzle with 19 fixedvanes and a unshrouded rotor with 12 blades. (a) Front view (b) 3D view. Figure 1: Sketch of the radial inflow turbine.Since the radial-inflow turbine has a higher tip speed than an axial turbine, the amount of work produced by a single stage would be equal to that of two or more stages in an axial turbine [1].