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#2Turboprops, propfans, and unducted fan engines | Britannica
In a turbofan, only a part of the gas horsepower generated by the core is extracted to drive a propulsor, which usually consists of a single low-pressure-ratio, ...
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#3Cheap fuel killed propfan concepts decades ago. Can ...
CFM International's new push to develop an open-fan engine – a design commonly known as a propfan – marks a return to technology that engine ...
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#4Variations of Jet Engines - SMU
Propfan Engine : The propfan engine is designed to have the speed and performance of a turbofan, but the fuel efficiency of a turboprop.
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#5The Short, Happy Life of the Prop-fan | Air & Space ...
For a brief period, though, prop-fans, a new class of engines that marked a return to propeller blades, but of an advanced type, held center stage as the ...
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#6advanced propfan engine technology (apet) and pitch change ...
ADVANCED PROPFAN ENGINE TECHNOLOGY ( APET) AND. SINGLE-ROTATION GEARBOX/PITCH CHANGE MECHANISM. 12. Government Accession No. I. 5. Report Date. June 1985.
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#7US5177957A - Propfan turbine engine - Google Patents
A propfan turbine engine for an aircraft has a shroud and on the leading edge of the shroud, has one or several, preferably two, separate sector-like ...
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#8Propfan Engines | Ivchenko-Progress SE
Products · Aviation Engines · Turboshaft Engines · Turboprop · Turbofan Engines · Propfan Engines · Auxiliary Power Units · Gas-turbine drives · Power Stations.
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#9Turbofan Engines - an overview | ScienceDirect Topics
Turbofan: “A turbofan engine is a gas turbine engine that is very similar to a turbojet. From: Bird Strike, 2016. Related terms: Turbine · Bypass Ratio ...
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#10Evolutionary Trail Of The Open-Fan Engine - Aviation Week
Type: Puller, single-stage swept-blade propfan. Rotor diameter: 9 ft. Thrust: 9,000 lb. The design roots of the newly unveiled open fan reach back to the ...
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#11Influence of Regeneration in the Performance of ... - uBibliorum
propfan engines and heat regenerators may be a viable solution to reduce the ... Propfan engine; Heat regenerator; Specific fuel consumption; Performance; ...
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#12Geared Turbofan™ - MTU Aero Engines
Through its workshare in the Pratt & Whitney Geared Turbofan™ (GTF) Engine Family, MTU is helping determine the course of aviation in today's world. The GTF ...
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#13How does the propfan engine work on a jet engine? - Quora
A propfan uses the engine shaft to turn more than a few fan blades. Propfans are also called unducted fans. Few have ever been built and none have been sold ...
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#14Propfan Engines - 博客來
書名：Propfan Engines，語言：英文，ISBN：9781158461103，頁數：26，作者：Not Available (NA)，出版日期：2010/07/26，類別：自然科普.
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#15Propellers make a comeback on a new type of aircraft engine
The idea behind a propfan is to combine the fuel economy of a propeller with the speed of a jet engine. Because it is more efficient to move a ...
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#16Discussion on the difference between turboprop and turbofan ...
Turbofan engines (also commonly referred to as turbofan engines) are a type of aircraft engine developed from a turbojet engine (Turbojet). Compared with ...
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#17Blade for a turbine engine propeller, in particular a propfan ...
The invention relates to a blade (11A) for a turbine engine propeller, in particular a propfan engine, comprising a protruding part (16) on the leading edge ...
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#18Propfan, an alternative for turbofan engines - AviationFacts.eu
Figure 2: Turbofan engine. Page 4. Propfan, an alternative for turbofan engines fan blade tips. The two ...
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#19propfan - Wiktionary
EnglishEdit. EtymologyEdit · prop + fan. NounEdit. propfan (plural propfans). (aviation) A modified turbofan engine with the propeller outside the engine ...
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#20thrust reverser for a propfan engine - WIPO Patentscope
The invention concerns an aircraft propfan or propeller engine with a shell (2), the engine having rotor blades (3) which can be adjusted to reverse the ...
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#21Small Turbofan Engine - NCSIST
Small Turbofan Engine. National Chung-Shan Institute of Science & Technology (NCSIST) has been developing small turbofan engines since the mid-1990s.
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#22Performance Seeking Control of Propfan ... - ResearchGate
It is based on engine model, control model and optimization model. The control scheme of propfan engine is different from those of turbofan ...
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#23How does a turbofan engine work? | MTU AEROREPORT
Turbofans, by contrast, separate the air flow so that only a fraction of the air passes through the compressor blades and into the combustor and turbines in ...
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#24Performance Seeking Control of Propfan ... - NASA/ADS
Performance seeking control benefits propfan engine by generating optimal performance in different flight status. It is based on engine model, control model ...
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#25Ask Us - Propfan Engines - Aerospaceweb.org
Propfan Engines. I once saw a plane that had a jet on one side but it also had a prop on the other. They were doing some kind of test.
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#26Turbofan Engine | SKYbrary Aviation Safety
A turbofan engine, sometimes referred to as a fanjet or bypass engine, is a jet engine variant which produces thrust using a combination of jet core efflux and ...
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#27HTF7000 Turbofan Engine - Honeywell Aerospace
HTF7000 Turbofan Engine Family. The Honeywell HTF7000 family of engines has set a new standard for business jet propulsion systems.
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#28turbofan中文(繁體)翻譯：劍橋詞典
Postwar developments of the turbojet and turbofan engines apparently obviated the need for large aircraft engines of this type.
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#29New Open Rotor Engine Concept Cuts Aviation Emissions by ...
Propfans were first experimented with as a potential response to the oil crisis in the 1970s, due to their ability to boost fuel efficiency.
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#30槳扇發動機 - 中文百科知識
槳扇發動機英文名稱是propfan engine，unducted fan engine ，又稱無涵道風扇發動機。燃氣通過動力渦輪輸出軸功率傳動槳扇的燃氣渦輪發動機。簡介渦輪槳扇發動機， ...
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#31Category:Propfan aircraft engines - Wikimedia Commons
This category has only the following subcategory. P. Progress propfan engines (2 C) ...
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#32Digital Twins-Based Online Monitoring of TFE-731 Turbofan ...
To accurately reflect the condition of the engine, this article provides a novel fault diagnosis method for the TFE-731 turbofan engine and develops an ...
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#33Propfan aircraft propulsion engine - 한국과학기술정보연구원
In a propfan engine, the need for an annular or chin-type intake when the propfan is mounted in front of the engine is avoided by mounting the propfan ...
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#34turbofan engine - Linguee | 中英词典（更多其他语言）
大量翻译例句关于"turbofan engine" – 英中词典以及8百万条中文译文例句搜索。
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#35Turbofan Engine System - MathWorks
The Turbofan Engine System block computes the thrust and the fuel mass flow rate of a turbofan engine and controller at a specific throttle position, ...
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#36Aviation My Love
KNOWLEDGE PROPFAN ENGINE A propfan, also called an open rotor engine, unducted fan, or ultra high-bypass turbofan, is a type of aircraft engine...
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#37Influence of Regeneration in the Performance of a Propfan ...
HomeBrowse by TitleThesesInfluence of Regeneration in the Performance of a Propfan Engine. 0References. ABSTRACT. No abstract available. Comments.
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#38Turboprop, Turboshaft, and Propfan Engines - Taylor ...
This chapter introduces three types of aero engines, namely, turboprop, turboshaft, and propfanengines. Both turboprop and turboshaft have their exhaust ...
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#39turbofan engine (TFE) - 渦扇發動機 - 國家教育研究院雙語詞彙
出處/學術領域, 中文詞彙, 英文詞彙. 學術名詞 航空太空名詞, 渦扇發動機, turbofan engine (TFE). 學術名詞 機械工程, 渦扇發動機, fan engine. 學術名詞 機械工程
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#40Temporal Convolutional Networks Applied to Remaining ...
Yue-feng Liu,Gong Zhang,Jia-qi Li,turbofan engine,Remaining Useful Life (RUL),autoencoder,Long Sho,ERICDATA高等教育知識庫:兩岸教育學術期刊,文獻專論, ...
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#41[PDF] Propfan , an alternative for turbofan engines - Semantic ...
In this multidisciplinary study a geared open rotor configuration is assessed and compared to an ultra high bypass ratio geared turbofan engine.
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#42Performance Seeking Control of Propfan Engines ... - De Gruyter
Compared with turbofan engines, propfan engine is more efficient and low-pollution. It is also convenient to obtain reverse thrust by changing ...
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#43Turbofan Definition & Meaning - Merriam-Webster
Recent Examples on the Web Where Concorde employed inefficient afterburners to generate sufficient thrust, Boom has quieter, more efficient turbofan engines ...
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#44Conceptual Design of a Turbofan Engine for a Supersonic ...
student design competition where a new turbofan engine for a conceptual supersonic business jet aircraft expected to enter service in 2025 is requested.
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#45Shaft Engines Turboprop, Turboshaft, and Propfan - Springer ...
Turboprop, turboshaft, and propfan engines are thoroughly analyzed. This engine family is concerned with output power rather than the thrust force. Thus ...
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#46Maiden Flights of the CFM56 Turbofan Engine - Airways ...
The CFM56 high-bypass turbofan aircraft engine made its first flight on a Caravelle flying testbed 45 years ago today in 1977.
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#47Stall Inception in the Compressor System of a Turbofan Engine
The tests were carried out with the twin-spool turbofan engine LARZAC 04 C5 (Fig. 1). It consists of a two-stage low-pressure compressor (LPC), a four-stage ...
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#48turbofan engine在線翻譯 - 海词词典
a jet engine in which a fan driven by a turbine provides extra air to the burner and gives extra thrust. turbofan engine的相關資料：. 近反義詞.
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#49New Russian PD-35 turbofan engine commences ground testing
Early-stage static testing has begun on the engine core that will become the new Russian PD-35 turbofan aircraft engine.
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#50Propfan Engines Paperback – Import, 26 July 2010 - Amazon.in
Amazon.in - Buy Propfan Engines book online at best prices in India on Amazon.in. Read Propfan Engines book reviews & author details and more at Amazon.in.
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#51Turbofan Engine | How Things Fly
The fan acts like a “super” propeller, combining the efficiency of a piston engine with the thrust of a jet engine. Most modern jets use turbofan engines.
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#52Geared turbofan and additive manufacturing among new ...
The Gas Turbine Engines Technical Committee works to advance the science and technology of aircraft gas turbine engines and engine components.
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#53Pratt & Whitney GTF™ Engine – Homepage
Pratt & Whitney GTF™ Engines. At the heart of aviation's transformation and drive to net zero emissions is a revolutionary concept: a geared fan that ...
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#54J-33 "Wheesley" Turbofan Engine - Kerbal Space Program Wiki
Unlike many of the other jet engines (and all of the rockets), this engine is capable of reversing its thrust. This makes it very useful for ...
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#55Propfan Explained
A propfan, also called an open rotor engine, or unducted fan (as opposed to a ducted fan), is a type of aircraft engine related in concept to both the turboprop ...
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#566 Essential Tools For DIY Turbofan Engine Line Maintenance
A borescope is a valuable tool for any engine, but it's particularly useful for those being maintained on condition. Once your engines reach ...
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#57Propfan - Hyperleap
A propfan, also called an open rotor engine, unducted fan, or ultra high-bypass turbofan, is a type of aircraft engine related in concept to both the ...
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#58China's WS-15 turbofan engine undergoes tests, shows ...
The WS-15, China's next generation turbofan engine expected to be used on the J-20 stealth fighter jet to greatly improve its performance, ...
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#59Global Top 4 Commercial Aircraft Turbofan Engine
Dublin, Oct. 19, 2021 (GLOBE NEWSWIRE) -- The "Annual Strategy Dossier - 2021 - Global Top 4 Commercial Aircraft Turbofan Engine ...
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#60Remaining Useful Life Estimation of Turbofan Engine Using ...
Remaining Useful Life Estimation of Turbofan Engine Using LSTM Neural Networks. Abstract: Remaining Useful Life (RUL) estimation plays a crucial ...
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#61Description of a turbofan engine product development process
This research explores what requirements are necessary for the development of a turbofan engine and how they evolve through the product development cycle.
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#62NASA, US industry accelerate turbofan engine advancement
The 2020 award focused on maturing power extraction technology for a next-generation turbofan engine program. GE Aviation is developing compact engine core ...
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#63propfan turbofan turboprop: Topics by WorldWideScience.org
This report outlines the separated core turbofan engine. This engine is featured by parallel separated arrangement of a fan and core engine which are ...
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#65Russia gearing up for 35-ton turbofan engine - Russian ...
Russia's United Engine Corporation (UEC) is gearing up for developing high-thrust turbofan engines for future commercial airliners.
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#66PROPFAN ENGINE [1 record] - TERMIUM Plus® — Search
Progress has developed a prototype propfan engine and second generation engine ... il montre ici l'important moteur à hélices rapides type "propfan" Lotarev ...
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#67Turbofan engine - Definition, Meaning & Synonyms
Definitions of turbofan engine. noun. a jet engine in which a fan driven by a turbine provides extra air to the burner and gives extra thrust.
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#68Is the Progress D-27 really a propfan? - Aviation Stack ...
Turbofan: A jet engine in which a turbine-driven fan provides additional thrust. · Turboprop: A jet engine in which a turbine is used to drive a ...
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#69A Remaining Useful Life Prognosis of Turbofan Engine ... - MDPI
The prognosis of the remaining useful life (RUL) of turbofan engine provides an important basis for predictive maintenance and remanufacturing, and plays a ...
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#70Pratt & Whitney Geared Turbofan Engine Is a Game Changer ...
Pratt & Whitney's new PurePower line of geared turbofan engines is the next big thing in airplane tech. For commercial aviation engines, ...
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#71obj unducted fan propfan turbofan engine - TurboSquid
Propfan jet engine 3D Model available on Turbo Squid, the world's leading provider of digital 3D models for visualization, films, ...
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#72Propfan Engine, Pusher Type - Cults 3D
"Propfan Engine", "Open Rotor Engine" and "Ultra High Bypass Engine" was developed as "Advanced Turboprop Engine" to get the high flying ...
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#73Propfan Engine, Pusher Type using with Planetary Gearbox
"Propfan Engine", "Open Rotor Engine" and "Ultra High Bypass Engine" were developed as "Advanced Turboprop Engine" to get the high flying ...
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#74Turbofan engine jet - University of Leicester
Turbofan engine jet. Alessandro Mancini and Dr. Aldo Rona. Noise emissions generated by jet engines are heavily legislated and restrict aircraft operations ...
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#75Reduction of Nonvolatile Particulate Matter Emissions of a ...
... engines deteriorate air quality and contribute to climate change. ... Particulate Matter Emissions of a Commercial Turbofan Engine at ...
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#76CK-H.2 turbofan engine | Wookieepedia
The CK-H.2 turbofan engine was a Podracer engine produced by Czerka Arms during the Galactic Civil War. Heavy weight, the turbofans slowed the CR-17 ...
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#77Variable Bypass Turbofan Engine - Tech Briefs
Variable Bypass Turbofan Engine ... Many aircraft need to operate efficiently at more than one flight regime; for example, certain airframes are ...
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#78AC 43-207 - Correlation, Operation, Design, and Modification ...
Provides guidance regarding test cell correlation procedures for test cells used for in-service acceptance testing of turbofan and turbojet engines.
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#79DRDO tastes maiden success with new turbofan engine in ...
The DRDO has developed a new engine to replace the foreign engine earlier used in the missile system. The small turbofan engine of 400 kg thrust ...
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#80Propfans - Limitations for Re-Engine Programs » AirInsight
The race was on to radically lower fuel burn and these “propfans” were thought to be the answer. These engines offered lower power and speed ...
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#81Bjorn's Corner: Turbofan engine challenges, Part 1 - Leeham ...
The thermodynamic cycle to generate all these hp in a jet engine or turbofan core (we call both a gas turbine) is like the one in a normal car ...
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#82Turbofan Definition & Meaning | Dictionary.com
Turbofan definition, a jet engine having a large impeller that takes in air, part of which is used in combustion of fuel, the remainder being mixed with the ...
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#83Global Aircraft Turbofan Engine Market (2022 to 2026)
DUBLIN, January 18, 2022--The "Global Aircraft Turbofan Engine Market 2022-2026" report has been added to ResearchAndMarkets.com's offering.
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#84Some Exergetic Measures of a JT8D Turbofan Engine
The exergetic assessment of the JT8D turbofan components provided here should be helpful for designing turbofan engines. Results from this study also evaluate ...
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#85“Props” for McDonnell Douglas: The Unducted Fan Projects ...
These early units were modified turbofan engines with the fan placed ... their internal studies on propfan technology to engine makers who ...
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#86The future uncovered | Magazine About
The more cool air passes, the more efficient the engine performs in terms of ... Usually, traditional turbofan engines are able to increase their bypass ...
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#87Propfan - Academic Dictionaries and Encyclopedias
Later work by General Electric on similar propulsors was done under the name unducted fan, which was a modified turbofan engine, with the fan ...
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#88The impact of thermodynamics parameters of turbofan engine ...
Presented paper is focused on the influence of additional combustor chamber named inter turbine burner on turbofan engine unit parameters.
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#893 Aircraft Gas Turbine Engines - The National Academies Press
In current implementations, engines are highly integrated and take the form of a turbofan engine or a turboprop engine with propeller.
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#90Performance Seeking Control of Propfan Engines ... - X-MOL
Abstract Performance seeking control benefits propfan engine by generating optimal performance in different flight status.
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#91Predictive maintenance of turbofan engines | by Koen Peters
Exploratory data analysis and baseline linear regression model. Although released over a decade ago, NASA's turbofan engine degradation ...
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#92GE tested an experimental propfan engine. - Los Angeles Times
The 16-bladed turbofan, which replaced a conventional jet engine on a specially equipped Boeing 727-200 trijet, was tested for slightly more ...
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#93Ice Crystal Ingestion in a Turbofan Engine 2015-01-2146
... in the low pressure compressor of a high bypass ratio turbofan engine. ... ice particle breakup model due to impact on the engine surfaces.
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#94Transient Analysis and Safety Assessment of Turbofan Engine ...
The high bypass ratio turbofan engine's load-carrying structure transient response during bird ingestion was analyzed in accordance with the ...
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#95How Does A Turbofan Engine Work? | Boldmethod
The turbine is a series of airfoil-shaped blades that are very similar to the blades in the compressor. As the hot, high-speed air flows over ...
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#961982 NASA authorization: hearings before the Subcommittee on ...
Airframe and engine manufacturers , once skeptics of propfan viability in major airline applications , have lately recognized the total reality of the ...
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#97MCDONNELL DOUGLAS SETS TESTS FOR PROPFAN ... - JOC
McDonnell Douglas Corp. in January will begin flight tests with a second ultra high bypass engine.
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