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Thursday, November 12, 2020 | History

3 edition of Data quality analysis at the National Transonic Facility found in the catalog.

Data quality analysis at the National Transonic Facility

Data quality analysis at the National Transonic Facility

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  • 30 Currently reading

Published by National Aeronautics and Space Administration, Office of Management, Scientific and Technical Information Division in Washington, D.C .
Written in English

    Subjects:
  • Transonic wind tunnels -- Data processing -- Quality control.,
  • Calibrating.,
  • Data acquisition.,
  • Design analysis.,
  • Noise reduction.,
  • Quality control.,
  • Research facilities.

  • Edition Notes

    StatementPamela N. Stewart.
    SeriesNASA contractor report -- 4303., NASA contractor report -- NASA CR-4303.
    ContributionsWyle Laboratories., Langley Research Center.
    The Physical Object
    FormatMicroform
    Pagination26 p.
    Number of Pages26
    ID Numbers
    Open LibraryOL16131114M

    Data Quality Control Checks and Procedures National Data Buoy Center Stennis Space Center, Mississippi August U.S. DEPARTMENT OF COMMERCE Secretary National Oceanic and Atmospheric Administration Administrator National Data Buoy Center . The Langley Research Center National Transonic Facility (NTF) is a cryogenic nitrogen gas facility with full-scale flight Reynolds number capability, but was not designed for day-to-day development production testing. Industry, like the Air Force, needs a high-Reynolds-number transonic facility for similar transonic .


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Data quality analysis at the National Transonic Facility Download PDF EPUB FB2

Format: Book, Government Document, EBook; LOC call number: TLC6 A3 no ; Published: Washington, D.C.: National Aeronautics and Space Administration. DATA QUALITY ANALYSIS AT THE NATIONAL TRANSONIC FACILITY by Pamela N. Stewart Summary The data quality analysis program was developed to satisfy the need for a computer driven systematic analysis of data taken during calibrations of the high speed digital data acquisition system at the National Transonic Facility (NTF).

Data quality analysis at the National Transonic Facility. Washington, D.C.: National Aeronautics and Space Administration, Office of Management, Scientific and Technical Information Division.

Get this from a library. Data quality analysis at the National Transonic Facility. [Pamela N Stewart; Wyle Laboratories.; Langley Research Center.]. Data quality analysis at the National Transonic Facility / By Pamela N. Stewart, Internet Topics: Transonic wind tunnels.

Publisher: Washington, D.C.: National Aeronautics and Space Administration, Office of Management, Scientific and Technical Information Division ; Springfield, Va.: For sale by the National. The data quality analysis program that was developed at Langley Research Center's National Transonic Facility is described.

The program provides a computer driven systematic analysis of data taken during calibrations of the high speed digital data acquisition system. Five distinct checks that are performed on the calibration data Author: Pamela N.

Stewart. In initial use, the high-speed digital Data quality analysis at the National Transonic Facility book acquisition systems at Langley Research Center's National Transonic Facility produced data containing unacceptably high noise : Richard Deloach.

An overview of the National Transonic Facility (NTF) from a research utilization perspective is provided. The facility was born in the s from an internationally recognized need for a high.

– Baseline analysis, deaths occurring in • Data Quality Webinar to all CRS users, June • Technical Assistance to select states • CRS user survey. Overview of Priority Variables • Monitor data quality; compare to national • Evaluate state data quality.

The desk review has two levels of data quality assessment: an assessment of each indicator aggregated to the national level; formance of subnational units (e.g.

districts or provinces/regions) for the selectedthe per indicators. The specified data quality metrics. Abstract. An overview of the National Transonic Facility (NTF) from a research utilization perspective is provided.

The facility was born in the s from an internationally recognized need for a high. Recent flow measurements have been acquired in the National Transonic Facility to assess the test-section unsteady flow environment.

The primary purpose of the test is to determine the feasibility of the facility to conduct laminar-flow-control testing and boundary-layer transition-sensitive testing at flight-relevant operating conditions throughout the transonic Cited by: 7.

The site of the National Transonic Facility (NTF) was originally the site of Langley's first large supersonic wind tunnel. The 4 x 4-Foot Supersonic Pressure Tunnel was a hurried Center: Langley Research Center. Full text of "Recent National Transonic Facility Test Process Improvements (Invited)" See other formats AM A A AIAA Recent National Transonic Facility Test Process Improvements (Invited).

It will fetch quality data in upcoming health studies and surveys such as National Family Health Survey (NFHS). Benefits and significance: Its activities will help establish protocols and good practices of data collection, storage, use and dissemination that can be applied to health and demographic data.

National Aeronautics and Space Administration National Transonic Facility NASA’s. Aeronautics Test Program. The National Transonic Facility, or NTF, is the world’s largest pressurized cryogenic. Data profiling is defined as the application of data analysis techniques to existing data stores for the purpose of determining the actual content, structure, and quality of the data.

This distinguishes it from data analysis techniques used to derive business information from data. Full text of "Implementation of the WICS Wall Interference Correction System at the National Transonic Facility" See other formats «iifiiii AIAA IMPLEMENTATION OF THE WICS WALL INTERFERENCE CORRECTION SYSTEM AT THE NATIONAL TRANSONIC FACILITY.

AIAA Effects of Active Sting Damping on Common Research Model Data Quality AIAA Design and Performance of an Active Sting Damper for the NASA Common Research Model AIAA Experimental Investigations of the NASA Common Research Model in the NASA Langley National Transonic Facility and NASA Ames Ft Transonic.

American Institute of Aeronautics and Astronautics Sunrise Valley Drive, Suite Reston, VA A procedure for the correction of wall interference effects is applied to lift and pitching moment coefficients, measured over a complete aircraft configuration in subsonic conditions in the High Speed.

tunnels such as the National Transonic Facility (NTF) fulfill the full-scale condition by achieving full-scale Reynolds numbers. In general, the free-flight condition is addressed in a variety of ways. The interference created by the test section. National Aeronautics and Space Administration Langley Research Center • Hampton, Virginia NASA Technical Paper Analysis of Fluctuating Static Pressure Measurements in the National Transonic Facility William B.

the surface quality of the component where laminar flow is desired. Considerations to avoid bypass transition must be in the National Transonic Facility (NTF) at the NASA Langley Research Center in Figure 1 shows the preliminary data and analysis from the wind tunnel test. The present paper includes additional analysis File Size: 6MB.

NASA's National Transonic Facility can test at much higher Reynolds numbers than the new European Transonic Wind Tunnel (ETW). However, the National Transonic Facility is primarily a research facility. This report documents a study of data repeatability in the National Transonic Facility (NTF) at Langley Research Center performed during a recent high Reynolds number test of a commercial transport.

National Transonic Facility (NTF) shown in Figure 1, have prompted a characterization of the test section flow field that includes the unsteady pressure field and the flow uniformity.

The current and future testing demands of this facility require an updated assessment of the flow quality. Worldwide reputation for producing high quality models.

Accuracy to very demanding levels of finish. Combining expertise and experience in design, manufacture and aerodynamic testing. Since ARA has designed and developed, with a network of suppliers, new rigs for the ARA Transonic. Handbook on Data Quality Assessment Methods and Tools Mats Bergdahl, Manfred Ehling, Eva Elvers, Erika Földesi, and that problems will always be detected without systematic analysis.

At the same time, data quality assessment is a precondition for informing the users about the possible uses of book. A case study: improving patient safety in Michigan. To exemplify data quality control methods, we use a case study throughout this report.

This case study is a state-wide QI project aimed Cited by: Data quality refers to the state of qualitative or quantitative pieces of information. There are many definitions of data quality, but data is generally considered high quality if it is "fit for [its] intended uses in operations, decision making and planning".

Moreover, data is deemed of high quality. Boeing airplane is mounted to a sting support system for testing at transonic speeds in the National Transonic Facility at the NASA Langley Research Center.

The model contains exten-sive instrumentation and an internally mounted electronic strain-gauge balance for measure-ments of aerodynamic data. The Directorate’s major test facilities include: the renowned National Transonic Facility, versatile subsonic and supersonic wind tunnels, an extensive suite of aerothermodynamics test.

The issue of data quality is as old as data itself. However, the proliferation of diverse, large-scale and often publically available data on the Web has increased the risk of poor data quality and misleading data interpretations.

On the other hand, data. A transonic wing, designed to accentuate key transition physics, is tested at cryogenic conditions at the National Transonic Facility at NASA Langley. The collaborative test between Boeing and NASA is aimed at assessing the facility. Eighteen piezoelectric ultrasonic flowmeter transducers were laboratory tested to determine their suitability and long range reliability for use by the National Transonic Facility (NTF) to measure the.

Enhancements to the FAST-MAC Circulation Control Model and Recent High-Reynolds Number Testing in the National Transonic Facility by Milholen, William E., II | Jan 1, Paperback. Data Quality and Analysis The increased use of data to inform policy and improve practice requires a renewed emphasis on assuring the underlying accuracy and reliability of data.

High quality data are critical for decision making, priority setting, and ongoing monitoring of programs and policies. Poor quality, inaccurate or inadequate data File Size: 1MB. A conceptual study was performed to define a technique for mapping the boundary-layer transition on a 10 deg-Cone in the National Transonic Facility (NTF) as a means of determining this Author: National Aeronautics and Space Administration NASA.

- Has administrative, operational, and data product / quality responsibility for the 14 by 22 Ft Subsonic Tunnel (14x22), the Transonic Dynamics Tunnel (TDT), the National Transonic Facility (NTF Title: Branch Head at NASA Langley.

AMES foot transonic wind tunnel and the NASA National Transonic Facility (NTF) at Langley to provide the experimental data base for the fourth AIAA drag prediction workshop.

The CRM consists of a supercritical transonic File Size: KB.Responsible for final data quality and accurate billing of customers for facility time and resources.

Plan and conduct wind tunnel tests in NASA Langley Research Center’s National Transonic Title: Operations Manager.theoretical transonic aerodynamic methods. His worf~ has placed the National Aeronautics and Space Administration and the United States in a preeminent position in this difficult and important field.

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