Investigation of the characteristics of 6-foot drogue-stabilization ribbon parachutes at high altitudes and low supersonic speeds

LDR 02642cam a2200349Ia 4500
001 100233552
003 MiAaHDL
005 20141009010000.0
006 m d
007 cr bn ---auaua
008 040812s1960 dcua rb 100 0 eng d
035 ⊔ ⊔ ‡asdr-uiuc6364496
035 ⊔ ⊔ ‡a(OCoLC)56136673
040 ⊔ ⊔ ‡aLHL ‡cLHL ‡dOCLCQ
049 ⊔ ⊔ ‡aUIUU
090 ⊔ ⊔ ‡aTL753 ‡b.J63 1960
100 1 ⊔ ‡aJohnson, Clinton T.
245 1 0 ‡aInvestigation of the characteristics of 6-foot drogue-stabilization ribbon parachutes at high altitudes and low supersonic speeds / ‡cby Clinton T. Johnson.
246 3 0 ‡aCharacteristics of 6-foot drogue-stabilization ribbon parachutes at high altitudes and low supersonic speeds
260 ⊔ ⊔ ‡aWashington, D.C. : ‡bNational Aeronautics and Space Administration, ‡c1960.
300 ⊔ ⊔ ‡a37, [3] leaves : ‡bill. ; ‡c30 cm.
490 ⊔ 0 ‡aNASA technical memorandum ; ‡vX-448
500 ⊔ ⊔ ‡a"Declassified June 12, 1963."
500 ⊔ ⊔ ‡a"November 1960."
500 ⊔ ⊔ ‡a"Flight Research Center, Edwards, Calif."
500 ⊔ ⊔ ‡a"NASA Technical Memorandum X-448."
500 ⊔ ⊔ ‡aThis work is part of the library's "Parachute History Collection", donated by the Deutsches Zentrum für Luft- und Raumfahrt e.V. Institut für Flugsystemtechnik, through the American Institute of Aeronautics and Astronautics Aerodynamic Deceleration Systems Technical Committee.
504 ⊔ ⊔ ‡aIncludes bibliographical references.
520 3 ⊔ ‡aPerformance data are presented for two types of ribbon parachutes. The parachutes were forcibly deployed from an air-launched test vehicle at altitudes from 55,000 feet to 70,000 feet and at Mach numbers between 0.92 and 1.52. Opening shock, steady-state drag performance, and canopy-porosity effects are evaluated with respect to Mach number and dynamic pressure. The conical canopy design appears to function far better than the flat canopy at supersonic deployment speeds. The relatively high-porosity conical design improves the parachute stability, with the added benefit of a low opening shock. The drag efficiency of the conical canopy is equivalent to that of the flat canopy having 50-percent-lower porosity. Riser elasticity and length also appear to be important parameters affecting the parachute stability. Reducing the weight of the test vehicle by a factor of one-third had a negligible effect on the stability and drag characteristics of the parachute.
533 ⊔ ⊔ ‡aPhotocopy.
538 ⊔ ⊔ ‡aMode of access: Internet.
650 ⊔ 0 ‡aAerodynamics, Supersonic.
650 ⊔ 0 ‡aParachutes ‡xAerodynamics ‡xTesting.
710 2 ⊔ ‡aFlight Research Center (U.S.)
710 1 ⊔ ‡aUnited States. ‡bNational Aeronautics and Space Administration.
CID ⊔ ⊔ ‡a100233552
DAT 0 ⊔ ‡a20101007112512.0 ‡b20141009010000.0
DAT 1 ⊔ ‡a20141112165512.0 ‡b2024-01-24T18:37:02Z
CAT ⊔ ⊔ ‡aSDR-UIUC ‡dUNKNOWN ‡lloader.pl-003-020
FMT ⊔ ⊔ ‡aBK
HOL ⊔ ⊔ ‡0sdr-uiuc6364496 ‡auiug ‡bSDR ‡cUIUC ‡puiug.30112106566596 ‡sUIU ‡16364496
974 ⊔ ⊔ ‡bUIU ‡cUIUC ‡d20240124 ‡sgoogle ‡uuiug.30112106566596 ‡y1960 ‡ric ‡qbib ‡tUS bib date1 >= 1929