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Sunday, November 15, 2020 | History

2 edition of Energy efficient engine high pressure compressor detail design report found in the catalog.

Energy efficient engine high pressure compressor detail design report

Energy efficient engine high pressure compressor detail design report

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Published by Lewis Research Center in [Cleveland, Ohio] .
Written in English

    Subjects:
  • Compressors

  • Edition Notes

    Statementby P.R. Holloway ... [et al.]
    SeriesNASA-CR -- 165558, NASA contractor report -- 165558
    ContributionsHolloway, P. R, Lewis Research Center, General Electric Company
    The Physical Object
    FormatMicroform
    Pagination1 v.
    ID Numbers
    Open LibraryOL14927537M

    An injector is a system of ducting and nozzles used to direct the flow of a high-pressure fluid in such a way that a lower pressure fluid is entrained in the jet and carried through a duct to a region of higher pressure. It is a fluid-dynamic pump with no moving parts, excepting a valve to control inlet flow. A steam injector is a typical application of the principle used to deliver cold water. The Hyperloop is a proposed mode of passenger and freight transportation, first used to describe an open-source vactrain design released by a joint team from Tesla and SpaceX. Hyperloop is a sealed tube or system of tubes with low air pressure through which a pod may travel substantially free of air resistance or friction. The Hyperloop could convey people or objects at airline or hypersonic.


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Energy efficient engine high pressure compressor detail design report Download PDF EPUB FB2

Energy efficient engine. High pressure compressor detail design report. A compressor optimization study defined a stage configuration with a pressure ratio, and adiabatic efficiency goal of %, and a polytropic efficiency of %; the corrected airflow is kg/sec. Subsequent component testing included three full-scale tests: a six-stage rig test, and.

High pressure compressor detail design report A compressor optimization study defined a stage configuration with a pressure ratio, and adiabatic efficiency goal of %, and a polytropic efficiency of %; the corrected airflow is kg/sec.

Subsequent component testing included three full-scale tests: a six-stage rig test, and another stage rig test completed in. Get this from a library.

Energy efficient engine high pressure compressor detail design report. [P R Holloway; Lewis Research Center.; General Electric Company.;]. Get this from a library. Energy efficient engine: high pressure compressor component performance report.

[S J Cline; United States. National Aeronautics and Space Administration.;]. Holloway, P., Knight, G., Koch, C. and Shaffer, S.

() Energy Efficient Engine High Pressure Compressor Detail Design Report. General Electric Company, Tech. Rep., NASA CR has been cited by the following article: TITLE: Flow Diagnosis and Optimization Based on Vorticity Dynamics for Transonic Compressor/Fan Rotor.

The design and analysis is documented of the high pressure compressor which was tested as part of the Pratt and Whitney effort under the Energy Efficient Engine program.

This compressor was designed to produce a pressure ratio in ten stages with an adiabatic efficiency of percent in the flight propulsion system. The corresponding expected efficiency for the compressor component test rig. Energy Efficient Engine: Low-Pressure Compressor Component Test Hardware Detailed Design Report / NASA.

The energy efficient engine high-pressure turbine is. Energy Efficient Engine: Flight propulsion system final design and analysis The Energy Efficient Engine (E3) is a NASA program to create fuel saving technology for future transport engines.

The Flight Propulsion System (FPS) is the engine designed to achieve E3 goals. units having pressure ratios in the range. Figure 2 shows a multistage high-pressure axial flow compressor rotor. The low-pressure increase per stage also simplifies calculations in the preliminary design of the compressor by justifying the air as incompressible in its flow through the stage.

Engine Pressure Ratio Development 0 5 10 The effect of varying compressor efficiency on the COP of the three GSHP system configurations are presented in Fig. 9, based on the results of previous investigations [24,49].The compressor isentropic efficiency is varied from 65% to % for each of the heat pump systems, following the range given by Cengel et al.

[54] for low to high efficiency compressors. Figure Pressure Profile at a Single Point in Time 21 Figure Pressure Profile over a Defined Time Period 22 Figure Effect of Receiver Capacity on Lubricant-Injected Rotary Compressor with Load/Unload Capacity Control 43 Figure Lubricant-Injected Rotary Compressor.

DTC compressor capacity can be maintained when replacing HFCa with HFOze(E) by switching the existing fluid module to the next frame size fluid module.

Testing at DTC has indicated the potential of a to % efficiency improvement for commercial chillers when switching from HFCa to HFOze(E). AMO's “Improving Compressed Air System Performance: A Sourcebook for Industry, Third Edition” has been recently revised introducing industry to compressed air systems, performance opportunities and where they can find help on optimizing these important industrial systems.

Over the years AMO has worked with the Compressed Air Challenge (CAC) in its development. Geometry and Simulation Results for a Gas Turbine Representative of the Energy Efficient Engine (EEE) February ; High Pressure Compressor Compressor Detail Design Report.

Modern engines can use compressor stages. Advantages of the axial compressor are its higher flow rate and greater pressure ratio, which results in higher thrust and fuel efficiency. This makes it better suited to applications where the thrust of the engine itself is the motive force for the aircraft.

Such controls are essential for air compressor system efficiency as well as high performance. Compressed air systems are designed to maintain a certain range of pressure and to deliver a volume of air that varies with end-user demands. The control system decreases compressor output when the pressure reaches a certain level.

ENERGY. Energy Efficiency & Renewable Energy. ADVANCED MANUFACTURING OFFICE. details some of the significant opportunities, and directs users toadditionalsourcesof Packaged Compressor Efficiency Ratings C.

Data sheets outlining a common format and style for reporting compressor and dryer performance. It's based on the energy stored in air that's under pressure, and the heart of the system is the air compressor. You'll find air compressors used in a wide range of situations—from corner gas.

1) Suction Pressure = low side pressure or evaporator pressure 2) Compressor power drops 2% - 3% for each degree F of suction temperature increase. 3) Discharge pressure = compressor discharge pressure, high side pressure, condensing pressure, or (cylinder) head pressure.

Reid, L., and Moore, R.,“Design and Overall Performance of Four Highly Loaded, High-Speed Inlet Stages for an Advanced High-Pressure Ratio Core Compressor,” NASA TP Denton, J.,“Lessons Learned From Ro” presented at the Third International Symposium on Experimental and Computational Aerothermodynamics of.

A reciprocating compressor is a positive displacement machine in that a volume of gas is drawn into a compressor cylinder’s compression chamber where it is trapped, compressed and pushed out. The P-V diagram is a plot of the pressure of the gas versus the volume of the gas trapped in the compression chamber.

In Figure 1, P S. compressor is usually oil lubricated, hospitals and laboratories can purchase oil-less versions of the compressors as illustrated in (Figure 3). Head Valve Plate Connecting Rod Air Intake Filter Piston Fly Wheel Crankcase Reciprocating Single Stage Low-Pressure Piston Cylinder High-Pressure Piston Cylinder Inlet & Discharge Valves Centrifugal.

This system design engineering guide covers the fundamentals of compressed air technology and highlights ways to improve efficiency in a compressed air system.

Topics include: Fundamentals of compressed air production. Dwivedi, S. N., "Design Considerations for High-Pressure Reciprocating Compressors for Refinery Services" ().International design of compressor should take care of these.

ased on suction ~d disch~ge c~nditions plant starting and operation as also in view of energy conservation. can be suitably incorporated into the design. compressor solution achieved high energy efficiency using the Vilter Parallex™ slide system.

The unique ability to vary capacity and volume ratio independently enabled the compressor to run at optimum efficiency across all operating and part-load conditions. The key to the single screw compressor’s reliability is in its balanced design. When low pressure is utilized from a high–pressure source, the energy used by the air compressor is wasted in the process.

Therefore, the use of compressed air for unnecessary applications is an expensive practice. As such, when a tool only needs as much as 22 psi from an air compressor, it’s actually more efficient to use a blower.

Most modern passenger and military aircraft are powered by gas turbine engines, also called jet engines. All types of jet engines have some parts in common. All jet engines have a compressor to increase the pressure of the incoming air. There are currently two principal compressor designs found on jet engines: the axial compressor, in which the air flows parallel to the axis of.

Most modern passenger and military aircraft are powered by gas turbine engines, which are also called jet engines. There are several different types of jet engines, but all jet engines have some parts in common.

All jet engines have a compressor to increase the pressure of the incoming air before it enters the burner. Compressor performance has a large influence on total engine. Aircraft Engine Business Group. Advanced Technology Programs Dept: Also Titled: Title on microfiche header: Energy efficient engine, low pressure turbine test hardware detailed design report.

Available From: NASA: Govt. Doc. Number: NAS Dept. of Energy. Office of Energy Efficiency and Renewable Energy 23; "Sound and Vibrations of Positive Displacement Compressors" is the first book to combine theory and design guidelines dedicated solely to compressors.

Energy efficient engine high pressure compressor detail design report [microform] [] [Cleveland, Ohio]: Lewis. When the compressor reaches maximum pressure a solenoid valve opens, reducing the discharge to atmospheric or at least lower pressure.

The compressor then with lower pressure difference from the intake to the discharge side. A check valve prevents back-flow of air at system pressure. The compressor uses less energy while unloaded. @article{osti_, title = {Energy efficient engine preliminary design and integration study}, author = {Gray, D.E.}, abstractNote = {The technology and configurational requirements of an all new 's energy efficient turbofan engine having a twin spool arrangement with a directly coupled fan and low-pressure turbine, a mixed exhaust nacelle, and a high overall pressure ratio were.

If one particular piece of equipment requires high pressure air with the balance needing only low pressure, it may be cost effective to provide totally independent compressions for this purpose. Heat Recovery. Only 20% of the energy input into an air compressor is converted into compressed air energy.

The remaining 80% is converted into heat. • A hp compressor runs 90% loaded 12 hours per day 5 days per week at a delivery pressure of psi.

Estimate the energy and cost savings if the pressure is reduced to 90psi. Assume $/kWh for electricity and the motor is 95% efficient • Solution: Assume a % reduction for every 2psi to account for unregulated usage.

high priority energy-efficiency strategy. Energy savings opportunities fall into four categories: Alternate Means: There may be more efficient ways to meet the need, such as electric or hydraulic tools, or high-volume, low-pressure blowers.

Reduce System Losses and Ex-cessive Use: Includes operating at the most efficient pressure and reducing air. pressure level required for reliable production.

High-volume intermittent air demand events can cause air pressure to fluctuate, which is often misinterpreted as insuffi-cient pressure. In some cases, improperly set compressor controls will cause another compressor to start, but because of the time required for the new compressor to ramp.

The principle effect of compressor fouling is the reduction of mass flow rate, isentropic efficiency, pressure ratio, and power output. Although fouling mechanism in axial flow compressor is well known, predicting to what extent the engine output and efficiency are affected is still a major challenge for performance engineers [ 3 ].

Safran Aircraft Engines is a developer and producer of the high-pressure compressor, the combustion chamber, the high-pressure turbine, the gearbox, the FADEC system.

Russian-French SaM engine surpassesflight hours. InNASA Lewis Research Center (LeRC) sponsored initial preliminary design studies of a new class of high thermal efficiency, high propulsive efficiency engines. Pressure ratios of 75– and turbine rotor-in temperatures of –ºF were explored, using new materials and technologies, for the post period—far beyond the.

An important design question arises at this state: how high should the high pressure of the cycle be. We choose P high so that we can reject heat to the environment. P high is the same as P 2, and P 2 determines the temperature at state S2, T 2.

(T 2 is just the saturation temperature at P high). This temperature must at least be higher than. Two validation cases for the design and the off-design prediction using TD and AXOD conducted on two existing high efficiency turbines, developed and tested in the NASA/GE Energy Efficient Engine (GE-E3) Program, the High Pressure Turbine (HPT; two stages, air cooled) and the Low Pressure Turbine (LPT; five stages, un-cooled), are provided.Guidelines # January Analyzing and Optimizing Compressed Air Systems.

Background/Rationale: Compressed air systems often operate inefficiently, using an unnecessary and expensive amount of energy. Any business seeking to make operations more sustainable should take.Efficient compressor control; Pressure band control: Optimal coordination of compressors to meet air demand; Energy savings with heat recovery; Preventing energy losses: Designing and installing a compressed air main; Optimising an existing air main; Correctly planning compressor stations: Air Demand Analysis (ADA) Determining the most.