Last edited by Dozahn
Friday, April 24, 2020 | History

3 edition of Summary of recent NASA propeller research found in the catalog.

Summary of recent NASA propeller research

Summary of recent NASA propeller research

  • 268 Want to read
  • 27 Currently reading

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

    Subjects:
  • United States. -- National Aeronautics and Space Administration,
  • Propellers, Aerial

  • Edition Notes

    StatementDaniel C. Mikkelson, Glenn A. Mitchell, and Lawrence J. Bober ; prepared for the AGARD Fluid Dynamics Panel meeting on Aerodynamics and Acoustics of Propellers, Toronto, Canada, October 1-4, 1984
    SeriesNASA technical memorandum -- 83733
    ContributionsMitchell, Glenn A, Bober, Lawrence J, Lewis Research Center
    The Physical Object
    FormatMicroform
    Pagination1 v.
    ID Numbers
    Open LibraryOL14926001M

    @article{osti_, title = {NASA advanced turboprop research and concept validation program}, author = {Whitlow, J.B. Jr. and Sievers, G.K.}, abstractNote = {NASA has determined by experimental and analytical effort that use of advanced turboprop propulsion instead of the conventional turbofans in the older narrow-body airline fleet could reduce fuel consumption for this type of aircraft. Inspired partly by science fiction, NASA scientists are seriously considering space elevators as a mass-transit system for the next century. (requires RealPlayer) Sept. 7, -- "Yes, ladies and gentlemen, welcome aboard NASA's Millennium-Two Space Elevator. Your first stop will be the Lunar-level platform before we continue on to the New. Hidden Women is the incredible story of four women African-American mathematicians who were momentous in the NASA program and the space race. They worked behind the scenes, fought to overcome sexism as well as racial With the release of Hidden Figures in many have realized the importance that mathematicians, or "human computers" as they /5. Find many great new & used options and get the best deals for NASA Advanced Propeller Research (Paperback or Softback) at the best online prices at eBay! Free shipping for many products!


Share this book
You might also like
Dbase III Plus power tools

Dbase III Plus power tools

Phoenix

Phoenix

wooden gun

wooden gun

I remember.

I remember.

What we put in prison

What we put in prison

Concerto

Concerto

State intervention and assistance in collective bargaining: the Canadian experience 1943-1954.

State intervention and assistance in collective bargaining: the Canadian experience 1943-1954.

The Jewish joke

The Jewish joke

Harold L. Zellerbach

Harold L. Zellerbach

Cupids reuenge

Cupids reuenge

Stain Glass General Certificate

Stain Glass General Certificate

Report of program activities: National Institute of Allergy and Infectious Diseases

Report of program activities: National Institute of Allergy and Infectious Diseases

present and future ground-water supply of the Baton Rouge area

present and future ground-water supply of the Baton Rouge area

Psycho-analysis and contemporary thought

Psycho-analysis and contemporary thought

analysis of heat flow measurements on the earths surface.

analysis of heat flow measurements on the earths surface.

Proceedings of the Soviet-Swedish Symposium on the Beneficiation of Phosphate Rock.

Proceedings of the Soviet-Swedish Symposium on the Beneficiation of Phosphate Rock.

Summary of recent NASA propeller research Download PDF EPUB FB2

SUMMARY OF RECENT NASA PROPELLER RESEARCH Daniel C. Mikkelson, Glenn A. Mitchell, and Lawrence J. Bober National Aeronautics and Space Administration Lewis Research Center Cleveland, Ohio e_ SUMMARY Advanced high-speed propellers offer large performance improvements for aircraft that cruise in the Mach to speed Size: 2MB.

COVID Resources. Reliable information about the coronavirus (COVID) is available from the World Health Organization (current situation, international travel).Numerous and frequently-updated resource results are available from this ’s WebJunction has pulled together information and resources to assist library staff as they consider how to handle coronavirus.

turbofan powered aircraft. The current status of the NASA research program on high-speed propeller aerodynamics, acoustics, and aeroelastics is de-scribed. Recent wind tunnel results for five 8- to blade advanced models are compared with analytical predictions.

Test results show that blade sweepFile Size: 5MB. Recent wind tunnel results for five eight to ten blade advanced models are compared with analytical predictions.

Test results show that blade sweep was important in achieving net efficiencies near 80 percent at Mach and reducing nearfield cruise noise by about 6 dB. Summary of recent NASA propeller research. Advanced high speed propellers offer large performance improvements for aircraft that cruise in the Mach to speed regime.

At these speeds, studies indicate that there is a 15 to near 40 percent block fuel savings and associated operating cost benefits for advanced turboprops compared to.

A concluding section discusses advanced concepts and the future work emphases required to address them. Recent wind tunnel tests (refs. 1 to 3) have provided data on the three advanced high-speed propeller models described in table I. The SR-7A model is the most recent in. The Propeller Research Tunnel was built in when NACA researchers tried to correlate their data with tests conducted at Stanford University.

The design was a radical change from tunnels customarily built 5 feet in diameter. The foot, 8-bladed propeller was powered Center: Langley Research Center. In an airplane, the shaft is connected to a propeller. Propellers as Airfoils. On this slide, we show pictures of a P propeller-powered airplane from World War II and a propeller being tested in a NASA Glenn wind tunnel.

The details of propeller propulsion are very complex, but we can learn some of the fundamentals by using a simple momentum theory.

NASA may support an award as outlined in the proposal budget, or may offer to fund only selected tasks, or all tasks for a shorter duration (e.g., a one year pilot study), or a combination.

Awards may be made contingent on acceptable revised versions of budgets. Here are writers' and editors' picks for spaceflight and space history books that dazzle. (We are constantly reading new and classic space books.

Turbine Engine Thrust - Summary Engine Pressure Ratio (EPR) Animated Engine Temperature Ratio (ETR) Animated Compressor-Turbine Matching Specific Thrust Fuel Mass Flow Rate Specific Fuel Consumption Engine Weight Model.

Internal Combustion Engine Animated Engine Stages Otto Cycle Thermodynamic Analyisis. NASA Engineering Design Challenges: Centennial of Flight DRAFT – There are other types of drag that act on a propeller, even if the propeller’s blades are not trying to push air perpendicular the shaft.

One type results from the friction between the air molecules and the spinning propeller’s sur- face Size: 1MB. The NASA HQ Library supports the shared NASA mission of pioneering the future by: Enabling HQ staff to increase productivity by offering expert research services of professional librarians, desktop and remote access to electronic information, and a consolidated collection of Headquarters-focused information resources.

Subscribe to Alerts. American Institute of Aeronautics and Astronautics Sunrise Valley Drive, Suite Reston, VA   High-Lift Propeller System Configuration Selection for NASA's SCEPTOR Distributed Electric Propulsion Flight Demonstrator.

Design and Performance of the NASA SCEPTOR Distributed Electric Propulsion Flight Demonstrator. Summary and recent results from the NASA advanced high-speed propeller research program.

Issue #6 of Astrobiology: The Story of our Search for Life in the Universe reaches out beyond the Solar System to explore life’s potential on worlds that orbit distant stars.

In recent decades, astronomers have discovered a huge number of such worlds, known as exoplanets. Astrobiologists are now trying to figure out if exoplanets could support life as we know it and, if so, how could we.

In Part II, the novel CRP model is used to produce a performance model of a geared open rotor (GOR) engine with a 10% clipped propeller designed for a PAX and NM aircraft. This engine model is first used to study the impact of the control of the propellers on Cited by: 4.

Wright Brothers' Invention Process: The process which lead to the first successful airplane is exactly the same process used by NASA engineers today to solve problems. ( - ) - Researched How Things Fly. The first step in any new program or project is research. The Wright Brothers first performed a literature search to find out the state.

The book also includes an image of a crater field at Groom Lake, near the top-secret Area 51 US Air Force base in Nevada, USA, that he claims could have been used to. A model based on subsonic generic propeller maps and corrected for compressibility effects, under high subsonic speeds, was proposed and implemented.

Considering this methodology, it is possible to simulate conventional turboprop architectures and counter-rotating open rotor (CROR) engines in both steady-state and transient operating by: 1. 70 research in supersonic flight and the breaking of the sound barrier models were used, each one with different locations of the pressure taps.

A total of thirteen pressure tap locations, seven on the upper surface and six on the lower surface, were employed (for the reader who is counting, the seventh model had only one tap). To address these challenges, NASA Glenn is testing a new propulsor in its 8’ x 6’ Wind Tunnel.

Designed by United Technologies Research Center with research conducted by Virginia Polytechnic and State University, the rugged boundary layer ingesting (BLI) inlet-fan combination is Cited by: 1.

Books at Amazon. The Books homepage helps you explore Earth's Biggest Bookstore without ever leaving the comfort of your couch. Here you'll find current best sellers in books, new releases in books, deals in books, Kindle eBooks, Audible audiobooks, and so much more.

Chapter 1. Engineering Science and the Development of the NACA Low-Drag Engine Cowling. by James R. Hansen. The agency that preceded NASA, the National Advisory Committee for Aeronautics (NACA), won its first of five Collier Trophies inand did so basically for advancing a counterintuitive idea.

Page 3 - Propeller hub — -The metal fitting inserted or incorporated in or with a propeller for the purpose of mounting it on the propeller or engine shaft.

Propeller interference — The amount by which the torque and thrust of a propeller are changed by the modification of the air flow in the slip stream produced by bodies placed near the propeller, such as engine, radiator, etc. Katherine's first assignment with the Flight Research Division was to investigate the crash of a small propeller plane.

What was learned as a result of her contribution. a larger jet left a wave of air that caused the propeller plane to stumble and crash; rules about flight paths were changed as a result.

The objective of this research was to develop a process for the design and manufacture of mission- and aircraft-specific propellers for small unmanned aerial vehicles.

This objective was met by creating a computer program to design a propeller that meets user-defined aircraft performance requirements within the limitations of the motor, material,Cited by: 2.

A Review and Update of the NASA Aircraft Noise Prediction Program Propeller Analysis System The National Aeronautics and Space Administration (NASA) Aircraft Noise Prediction Program (ANOPP) Propeller Analysis System (PAS) is a set of computational modules for predicting the aerodynamics, performance, and noise of by: 1.

This guide was produced by the NASA Glenn Research Center Office of Educational Programs in Cleveland, OH, and the NASA Aeronautics Research Mission Directorate. NASA gratefully acknowledges the generosity of Cislunar Aerospace, Inc, for permission to use engine diagrams in this book (pp.

12–14). Acknowledgments Writers and ContributorsFile Size: 4MB. The eight bladed cm vanes were tested with a cm SR = 7A high speed propeller in the NASA Lewis x m Supersonic Wind Tunnel for a Mach number range of to NASA's Jupiter-bound Juno probe will study the gas giant's atmosphere, magnetosphere and gravitational field.

Juno will orbit Jupiter for about a year. Although NASA Langley’s Building is normally associated with the Full-Scale Tunnel operations, it has also been the site of other significant research projects.

For example, in the s and sthe facility was the site for an innovative NACA testing technique to acquire data for the structural design of : Langley Research Center.

A propfan, also called an open rotor engine, or unducted fan, is a type of aircraft engine related in concept to both the turboprop and turbofan, but distinct from design is intended to offer the speed and performance of a turbofan, with the fuel economy of a turboprop.

A propfan is typically designed with a large number of short, highly twisted blades, similar to a turbofan's bypass. Book — 69 p.: ill. charts, graphs. ; 28 cm. Summary "An investigation was conducted in the Langley low-turbulence pressure tunnel to determine the low-speed two-dimensional aerodynamic characteristics of a percent thick airfoil designed for general aviation applications.

A new study partly-sponsored by Nasa's Goddard Space Flight Center has highlighted the prospect that global industrial civilisation could collapse. Part I: THE AGE OF PROPELLERS Chapter 5: Design Refinement, Aerodynamic Problems and Refinements [] A vast amount of aerodynamic research was conducted in the United States, Great Britain, Germany, and Italy during the years of [] World War attempt will be made to give a complete summary or abstract of this work; however, a few examples taken from NACA research.

Release Date: Ma American Dirt (Oprah's Book Club): A Novel. Jeanine Cummins. out of 5 stars Release Date: Janu Profiles in Corruption: Abuse of Power by America's Progressive Elite. Peter Schweizer. out of 5 stars Release Date: Janu A Very Stable Genius: Donald J. Trump's Testing of America.

Fifth in line from the Sun, Jupiter is, by far, the largest planet in the solar system – more than twice as massive as all the other planets combined. Jupiter's familiar stripes and swirls are actually cold, windy clouds of ammonia and water, floating in an atmosphere of hydrogen and helium.

Figure 1. Illustration of terms used to describe propellers. The radius, r, of the propeller, is the distance from the center to the tip, along the center chord length, c, is the straight-line width of the propeller at a given distance along the twist angle, β, is the local angle of the blade at a given distance along the radius (Hepperle, ).

The space elevator was first proposed inbut it might even predate that. The idea of a giant tower that can carry us from Earth to outer space is science fiction, but a company has successfully Kickstarted what they say is their first step to building one on the Moon.

The LiftPort Group is funding a precursor project by sending a robot two kilometers up via a cable and building a test. NASA Astrophysics Webinar: Dual-Anonymous Peer Review for ADAP April 2, pm ET. On April 2, at 1 pm Eastern Time, NASA’s Astrophysics Division will host a webinar to discuss the implementation of dual-anonymous peer review for the Astrophysics .Aircraft Icing: A Pilot's Guide by Terry T.

Lankford: From two-seat single-engine aircraft to jumbo s, icing is a silent creeper and one of the industry's hottest concerns. Covers all aspects of aircraft icing-ground, airframe, and induction. Provides solid foundation of icing theory and physics without superfluous meteorological concepts.book is who had to make decision about a propeller.

mechanics. boatbuilders. service yard owners. hoat owners, as well as naval Dave International a complicated topic understandable and put it into a hand- book that is easy to use." — "Boat ISBN I I I I Il I I Il I I I I I Il I I 9 propeller CHARTS-2 VS BOAT SPEED KNOTS.