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3 edition of High pressure turbine test hardware detailed design report found in the catalog.

High pressure turbine test hardware detailed design report

High pressure turbine test hardware detailed design report

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Published by National Aeronautics and Space Administration, NASA Lewis Research Center in [Cleveland, Ohio] .
Written in English

    Subjects:
  • Turbines.,
  • Airplanes -- Motors -- Design and construction.

  • Edition Notes

    Statementby E.E. Halila, D.T. Lenahan, T.T. Thomas.
    SeriesNASA CR -- 167955., NASA contractor report -- NASA CR-167955.
    ContributionsLenahan, D. T., Thomas, T. T., Lewis Research Center., General Electric Company.
    The Physical Object
    FormatMicroform
    Pagination1 v.
    ID Numbers
    Open LibraryOL17667044M

    @article{osti_, title = {Space shuttle main engine high pressure fuel turbopump turbine blade cracking}, author = {Lee, H.}, abstractNote = {The analytical results from two-dimensional (2D) and three-dimensional (3D) finite element model investigations into the cracking of Space Shuttle Main Engine (SSME) High Pressure Fuel Turbopump (HPFTP) first- and second-stage turbine blades are. One of the only texts to focus on turbomachinery and gas turbines from the 'design' point of view, this volume reviews the necessary thermodynamics, gives extensive design data, provides engine and component illustrations (with comments on good and less-than-good design features), and contains many worked examples - allowing students to produce preliminary designs that can be made and run Reviews: 1. FUNDAMENTALS OF GAS TURBINE ENGINES INTRODUCTION The gas turbine is an internal combustion engine that uses air as the working fluid. The engine extracts chemical energy from fuel and converts it to mechanical energy using the gaseous energy of the working fluid (air) to drive the engine and propeller, which, in turn, propel the airplane.   Steam turbines use high-pressure steam to turn electricity generators at incredibly high speeds, so they rotate much faster than either wind or water turbines. (A typical power plant steam turbine rotates at – rpm—about – times faster than the blades spin on a typical wind turbine, which needs to use a gearbox to drive a.

      "Energy Efficient EngineHigh Pressure Turbine Test Hardware Detailed Design Report", prepared for National Aeronautics and Space Administration, by E. E. Halila et al., General Electric Company, pp. 64, 86, 87, 91, , , , , , , , and The high pressure turbine section typically includes first and second stage.


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High pressure turbine test hardware detailed design report Download PDF EPUB FB2

TURBINE INTERMEDIATE CASE AND LOW-PRESSURE TURBINE COMPONENT TEST HARDWARE DETAILED DESIGN REPORT by K. Leach, R. Thulin and D. Howe UNITED TECHNOLOGIES CORPORATION Pratt & Whitney Aircraft Group Commercial Products Division Prepared for: NATIONAL AERONAUTICS AND SPACE ADMINISTRATION Lewis Research Center Cleveland, OH.

High pressure turbine test hardware detailed design report. Cleveland, Ohio: National Aeronautics and Space Administration, Lewis Research Center, June (OCoLC) High pressure turbine test hardware detailed design report.

[Cleveland, Ohio]: National Aeronautics and Space Administration, Lewis Research Center, [] (OCoLC) Material Type: Document, Government publication, National government publication, Internet resource: Document Type: Internet Resource, Computer File: All Authors.

Stall recovery control strategy methodology and results. The nonrecoverable stall condition in high performance turbofan engines is characterized by thrust loss, rising turbine temperatures, high pressure compressor rotating stall, and loss of engine control. The high pressure turbine configuration for the Energy Efficient Engine is built around a two-stage design system.

Moderate aerodynamic loading for both stages is used to achieve the high level of turbine efficiency. At design conditions, the calculated clearance of cm ( in) surpasses the goal of cm ( in).

The high-pressure turbine in the integrated core/low spool and envisioned for the future flight propulsion system is also the same design for the High- Pressure Turbine Component Test Size: 5MB. its interaction with the downstream high pressure turbine.

The temperature field downstream the combustor exit at the inlet to the nozzle guide vane is determining the heat load on the turbine vanes and blades which is required to design the turbine cooling to achieve the High pressure turbine test hardware detailed design report book turbine life and to ensure a safe turbine operation.

design of steam turbine reduces steam energy losses results in decreased cost and one which parameter the efficiency of steam turbine depends is casing design. The high pressure steam at °C and bar pressure passes through the high pressure turbine. The exhaust steam from this section is returned to the boiler for reheating.

AtFile Size: KB. Department of Mechanical/Marine Engineering, Faculty of Engineering. Niger Delta University, Wilberforce Island, Bayelsa State, Nigeria. Abstract: The research paper is a design study to reduce multiple stages of High Pressure Turbine (HPT) to maintain the same thrust – to – weight ratio of gas : Tolumoye John.

10th World Congress on Structural and Multidisciplinary Optimization May 19, Orlando, Florida, USA 1 Design Optimization of a High-Pressure Turbine Blade using Generalized Polynomial Chaos (gPC) Girish Modgil1, William A. Crossley2, Dongbin Xiu3 1 Rolls-Royce Corporation, Indianapolis, Indiana, USA, @ 2 Purdue University, West Lafayette, Indiana, USA File Size: 2MB.

The high pressure turbine configuration for the Energy Efficient Engine is built around a two-stage design system. Moderate aerodynamic High pressure turbine test hardware detailed design report book for both stages is used to achieve the high level of turbine : T.

Thomas, E. Halila and D. Lenahan. The design of the therraal-barrier-coated shroud is similar to that of hardware which has been successfully tested in a CF6~50 engine. These test results were inr^trumental in the choice of this shroud design for the E^.

The % W25 shroud-cooling air. time in steam turbine casing high pressure (HP) which results in non-uniform strain and stress distribution. So that problems such as stress corrosion, cracking and fatigue of steam turbine casing, In this work the thermo mechanical analysis of steam turbine File Size: KB.

kg/s and the available pressure at the exit of the main turbine is about to bar. At such low rate of pressure and mass flow, commercially available turbines fail to provide an adequate response thus justifying the need for a high performance low pressure turbine design.

LOW PRESSURE TURBINE DESIGNCited by: Energy Efficient Engine: High-pressure compressor test hardware detailed design report technology required to achieve significant reductions in fuel consumption and operating cost for future commercial gas turbine engines.

The design and analysis is documented of the high pressure compressor which was tested as part of the Pratt and Whitney Author: David C. Howe and R. Marchant. Flow Mechanism in High Pressure Turbines. Abstract. High pressure turbine (HP turbine, HPT) technologies are developed inseparably from the development of engines.

The characteristic parameter of some high pressure turbines, as shown in Tablewas collected from engine manuals and other materials for : Zhengping Zou, Songtao Wang, Huoxing Liu, Weihao Zhang.

Mechanical Design of Turbomachinery Mechanical Design of Turbojet Engines turbine shaft High pressure turbine disc. 14 Depending on the types of applications, different development goals (volume elements): used for detailed analyses. Axisymmetric beam element Axisymmetric shell File Size: 1MB.

The pressure in the turbine annulus forces the hot gas between the rotating discs and the adjacent static parts into the turbine disc rim spaces. In addition, air near the face of the rotating discs is accelerated by friction causing it to be pumped outwards.

This induces a complementary inward flow of hot gas. One of the most important problems facing gas turbine designers today is the ingestion of hot mainstream gases into the wheel-space between the turbine disk (rotor) and its adjacent casing (stator).

A rim seal is fitted at the periphery and a superposed sealant flow—typically fed through the bore of the stator—is used to prevent by: 1. The active turbine blade tip clearance control system design presented herein will be evaluated to ensure that proper response and positional accuracy is achievable under simulated high-pressure.

Abstract. In this chapter we discuss the off-design performance of individual gas turbine components. Since compressor maps are the key to a high quality performance model and realistic maps are typically only available to the manufacturers, we describe in great detail how to.

Turbines • Impart Kinetic Energy to rotor as Mechanical Energy of rotation •Impulse – high Pressure, low Flow • Reaction – low Pressure, high Flow Fluids Engineering Division Annual Summer Meeting, New Orleans, LA, 29 May File Size: 2MB. Steam turbines start-ups Prior to switching on the turning gear, oil system is started up.

It is always necessary to check whether lube oil pumps has started and whether all bearings are supplied with oil. Control of lube oil pressure and temperature, as well as rotor axial displacement and eccentricity is necessary.

The turning gear can be. The film-cooling effectiveness distributions are measured on the blade tip, near tip pressure side and the inner pressure side and suction side rim walls using pressure sensitive paint technique. The internal coolant-supply passages of the squealer tipped blade are modeled similar to those in the GE - E 3 rotor blade with two separate Cited by: rials Engineering, Wright State University, Design and Validation of a High-Lift Low-Pressure Turbine Blade.

This dissertation is a design and validation study of the high-lift low-pressure turbine (LPT) blade designated L2F.

High-lift LPTs ofier the promise of reducing the blade count in modern gas turbine by: TURBINE WATER-WHEEL TESTS AND POWER TABLES. By ROBERT E. HORTON. INTRODUCTION. This paper is not intended as a treatise on the turbine, and comprises no extensive dis­Author: Robert Elmer Horton. SANDIA REPORT SAND Unlimited Release Printed January SMART Wind Turbine Rotor: Design and Field Test Jonathan C.

Berg, Brian R. Resor, Joshua A. Paquette, and Jonathan R. White Prepared by Sandia National Laboratories Albuquerque. Producing a 3D design of rotor and stator blades for high-pressure turbine (HPT) remains a challenge due to the complexity of HPT blade profiles.

Demeulenaere [8] developed a 3D design of turbomachinery including the fundamental turbine geometry parameters such as hub and shroud radius, chord length, chord ratio, blade pitch, and flow inlet Cited by: 2.

From NASA CR- High Pressure Turbine Test Hardware Detailed Design Report: The Stage 1 nozzle is cooled by air extracted from the inner and outer combustion-liner cavities.

The vane leading-edge cavity is fed from the inner flowpath, and the aft cavity is fed from the outer flowpath. High Temperature Spin Testing Validates Turbine Engine Component. August 3, As featured in the May issue of AM&P Magazine. The demand for more fuel-efficient turbine engines in aircraft is being driven by soaring fuel prices, unrest in oil-producing nations, global demand to save the environment, and corporate demand to cut costs.

generate high -pressure/high-temperature superheated steam, making the Rankine cycle efficient. The HRSG forms a major part of the steam system. In the combined -cycle mode, the efficiency of the combined gas - turbine-plus-HRSG system can reach 55 - 60% (LHV basis) with today's ad vanced machines, while in the cogenera tion.

Fundamentals of Aircraft Turbine Engine Control Dr. Sanjay Garg Chief, Controls and Dynamics Branch High Pressure Turbine LPT - Low Pressure Turbine N1 - Fan Speed parameters adjusted to match engine test results • Simplified models generated to develop and evaluate control Size: 1MB.

Abstract. The project’s main purpose was to design, build and test a compact heat exchanger for supercritical carbon dioxide (sCO 2) power cycle compact recuperator is required to operate at high temperature and high pressure differentials, bar (~2, psi), between streams of sCO onal project tasks included building a hot air-to-sCO 2 Heater heat exchanger (HX.

In high-pressure turbines, compressor air is used to purge the disc space in an effort to protect the blade roots and the turbine disc from overheating and failure. The purge air exits the disc space through a rim seal at the hub of the main annulus and is subsequently entrained in the rotor hub endwall : M.

Chilla, H. Hodson, G. Pullan, D. Newman. Sauret, Emilie () Open design of high pressure ratio radial-inflow turbine for academic validation. In Proceedings of the ASME International Mechanical Engineering Congress and Exposition: Volume 7: Fluids and Heat Transfer, Parts A, B, C, and D.

American Society of Mechanical Engineers (ASME), United States, pp. Cited by: advancement of turbine aero-efficiency and durability technologies via CFD studies, detailed design, fabrication, and full-scale rig tests.

Final. Objectives: Demonstrate improved high pressure turbine efficiency via advanced aerodynamic airfoil and durability optimization. Schedule & Planned Milestones: Turbine Aero-Efficiency & Durability. Abstract: The Experimental investigation on design of high pressure steam turbine blade addresses the issue of steam turbine efficiency.

A specific focus on aerofoil profile for high pressure turbine blade, and it evaluates the effectiveness of certain Chromium and Nickel in resisting creep and fracture in turbine Cited by: 2.

A steam turbine is a device that extracts thermal energy from pressurized steam and uses it to do mechanical work on a rotating output shaft. Its modern manifestation was invented by Charles Parsons in The steam turbine is a form of heat engine that derives much of its improvement in thermodynamic efficiency from the use of multiple stages in the expansion of the steam, which results.

advancement of turbine aero-efficiency and durability technologies via CFD studies, detailed design, fabrication, and full-scale rig tests. Base. Objectives: Demonstrate improved high pressure turbine efficiency via advanced aerodynamic airfoil and durability optimization.

Schedule & Planned Milestones: Turbine Aero-Efficiency & Durability. Welcome to Boiler and Mechanical Power Digital Library and Training Videos library. Thousands of free Engineering books for download.

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