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Wind Tunnel Tests To Evaluate A Lifting Transonic Parachute
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Book Synopsis Wind Tunnel Tests to Evaluate a Lifting Transonic Parachute by : R. E. Rychnovsky
Download or read book Wind Tunnel Tests to Evaluate a Lifting Transonic Parachute written by R. E. Rychnovsky and published by . This book was released on 1975 with total page 7 pages. Available in PDF, EPUB and Kindle. Book excerpt: A program to develop a two-step lifting parachute system for low altitude payload delivery at velocities up to Mach 1.2 is being conducted at Sandia Laboratories. Wind tunnel tests on scaled models have been used extensively in the development. The test objectives were to establish the feasibility of constructing a lifting parachute with the desired characteristics, to select the most promising design and construction technique from several candidate models, to optimize the performance of this model and to measure its aerodynamic coefficients. A description of the types of tests, the models and test hardware as well as pertinent results and future test plans are presented.
Book Synopsis Transonic Wind-tunnel Tests of a Lifting Parachute Model by :
Download or read book Transonic Wind-tunnel Tests of a Lifting Parachute Model written by and published by . This book was released on 1976 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Transonic Wind-tunnel Tests of a Lifting Parachute Model by : Jerome T. Foughner
Download or read book Transonic Wind-tunnel Tests of a Lifting Parachute Model written by Jerome T. Foughner and published by . This book was released on 1976 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt: Wind-tunnel tests have been made in the Langley transonic dynamics tunnel on a 0.25-scale model of Sandia Laboratories 3.96-meter (13-foot), slanted ribbon design, lifting parachute. The lifting parachute is the first stage of a proposed two-stage payload delivery system. The lifting parachute model was attached to a foerbody representing the payload. The forebody was designed and installed in the test section in a manner which allowed rotational freedom about the pitch and yaw axes. Values of parachute axial force coefficient, rolling moment coefficient, and payload trim angles in pitch and yaw are presented through the transonic speed range. Data are presented for the parachute in both the reefed and full open conditions. Time history records of lifting parachute deployment and disreefing tests are included.
Book Synopsis Transonic Wind Tunnel Testing by : B. H. Goethert
Download or read book Transonic Wind Tunnel Testing written by B. H. Goethert and published by . This book was released on 2007 with total page 420 pages. Available in PDF, EPUB and Kindle. Book excerpt: Numerous aspects of transonic aerodynamics include wall interference corrections in conventional wind tunnels, subsonic flow in a variety of wind tunnels, and test results from transonic wind tunnels. 1961 edition.
Book Synopsis Wind-tunnel Tests of Modified Cross, Hemisflo, and Disk-gap-band Parachutes with Emphasis in the Transonic Range by : James T. Foughner
Download or read book Wind-tunnel Tests of Modified Cross, Hemisflo, and Disk-gap-band Parachutes with Emphasis in the Transonic Range written by James T. Foughner and published by . This book was released on 1974 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt: Transonic wind-tunnel studies were conducted with modified cross, hemisflo, and disk-gap-band parachute models in the wake of a cone-cylinder shape forebody. The basic cross design was modified with the addition of a circumferential constraining band at the lower edge of the canopy panels. The tests covered a Mach number range of 0.3 to 1.2 and a dynamic pressure range from 479 Newtons per square meter to 5746 Newtons per square meter. The parachute models were flexible textile-type structures and were tethered to a rigid forebody with a single flexible riser. Different size models of the modified cross and disk-gap-band canopies were tested to evaluate scale effects. Model reference diameters were 0.30, 0.61, and 1.07 meters (1.0, 2.0, and 3.5 ft) for the modified cross; and nominal diameters of 0.25 and 0.52 meter (0.83 and 1.7 ft) for the disk-gap-band; and 0.55 meter (1.8 ft) for the hemisflo. Reefing information is presented for the 0.61-meter-diameter cross and the 0.52-meter-diameter disk-gap-band. Results are presented in the form of the variation of steady-state average drag coefficient with Mach number. General stability characteristics of each parachute are discussed. Included are comments on canopy coning, spinning, and fluttering motions.
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1972 with total page 1056 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Wind-tunnel Investigation of Drag and Stabili- Ty of Parachutes at Supersonic Speeds by : Nickolai Charczenko
Download or read book Wind-tunnel Investigation of Drag and Stabili- Ty of Parachutes at Supersonic Speeds written by Nickolai Charczenko and published by . This book was released on 1964 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book STAR written by and published by . This book was released on 1973 with total page 920 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Test Fixture and Data Acquisition System for Wind Tunnel Testing of Parachutes by : Charles J. Silcot
Download or read book Test Fixture and Data Acquisition System for Wind Tunnel Testing of Parachutes written by Charles J. Silcot and published by . This book was released on 1968 with total page 235 pages. Available in PDF, EPUB and Kindle. Book excerpt: After the analysis of the means of measuring the force and stability characteristics of flexible, steerable, gliding parachutes in the AFFDL 12-foot open-throat vertical wind tunnel at Wright-Patterson Air Force Base, a system was designed, fabricated, installed, and tested for acceptance. This system consists of two major components: The first major component, a test fixture-balance assembly, provides the means of remotely operating model parachutes through various roll, pitch, and yaw angles. This assembly consists basically of a roll-traversing mechanism which supports a sting balance as it rolls and yaws along the inner perimeter of a semicircular trussed hoop. The hoop rests on a two-part structure designed for temporary installment above the tunnel lip. For the parachute attachment and positioning, the sting balance was selected in a preliminary study in preference to the wire or strut type of balance. The second major component, a data acquisition and readout system, displays and records in digital form the normal and axial forces and the moments at various canopy pitch, roll, and yaw attitudes. In the acceptance tests with a 9.375-foot steerable parachute canopy, lift, drag, and pitching moment were obtained at various angles of pitch and at air velocities ranging from 50 to 100 feet per second.
Download or read book Aeronautical Engineering written by and published by . This book was released on 1971 with total page 580 pages. Available in PDF, EPUB and Kindle. Book excerpt: A selection of annotated references to unclassified reports and journal articles that were introduced into the NASA scientific and technical information system and announced in Scientific and technical aerospace reports (STAR) and International aerospace abstracts (IAA)
Book Synopsis A Collection of Technical Papers by :
Download or read book A Collection of Technical Papers written by and published by . This book was released on 1975 with total page 542 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Wind-tunnel Tests of a Series of 18-foot-diameter Parachutes with Extendable Flaps by : Berl Gamse
Download or read book Wind-tunnel Tests of a Series of 18-foot-diameter Parachutes with Extendable Flaps written by Berl Gamse and published by . This book was released on 1962 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Wind-tunnel Testing written by Alan Pope and published by . This book was released on 1954 with total page 542 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Wind-tunnel Investigation of Inflation of Disk-gap-band and Modified Ringsail Parachutes at Dynamic Pressures Between 0.24 and 7.07 Pounds Per Square Foot by : Charles H. Whitlock
Download or read book Wind-tunnel Investigation of Inflation of Disk-gap-band and Modified Ringsail Parachutes at Dynamic Pressures Between 0.24 and 7.07 Pounds Per Square Foot written by Charles H. Whitlock and published by . This book was released on 1969 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt: Exploratory wind-tunnel tests of the disk-gap-band and modified ringsail parachute configurations have been conducted at dynamic pressures between 0.24 and 7.07 lb/ft2 (11 and 339 N/m2). Both parachutes exhibited positive inflation characteristics over the range of the tests within technique limitations. The disk-gap-band configuration required less time and distance to inflate than the modified ringsail configuration did.
Book Synopsis Research and Technology Program Digest Flash Index by :
Download or read book Research and Technology Program Digest Flash Index written by and published by . This book was released on 1967 with total page 794 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Transonic Wind Tunnel Test of a 14 Percent Thick Oblique Wing by :
Download or read book Transonic Wind Tunnel Test of a 14 Percent Thick Oblique Wing written by and published by . This book was released on 1990 with total page 420 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Technical Information Indexes by : United States. Naval Air Systems Command
Download or read book Technical Information Indexes written by United States. Naval Air Systems Command and published by . This book was released on 1976 with total page 276 pages. Available in PDF, EPUB and Kindle. Book excerpt:
