Zobrazeno 1 - 10
of 21
pro vyhledávání: '"Charles V. Spain"'
Autor:
Charles V. Spain, Colleen A. McHorney
Publikováno v:
Health Expectations. 14:307-320
OBJECTIVE To identify self-reported reasons why adults with chronic disease do not fill a new prescription (medication non-fulfillment) and/or stop taking a medication without their physician telling them to do so (lack of medication persistence). ME
Publikováno v:
Journal of Aircraft. 46:1104-1113
The model for aeroelastic validation research involving computation semispan wind-tunnel model, a transport wing-fuselage flutter model, was tested in NASA Langley's Transonic Dynamics Tunnel with the goal of obtaining experimental limit cycle oscill
Autor:
Colleen A, McHorney, Charles V, Spain
Publikováno v:
Health expectations : an international journal of public participation in health care and health policy. 14(3)
OBJECTIVE To identify self-reported reasons why adults with chronic disease do not fill a new prescription (medication non-fulfillment) and/or stop taking a medication without their physician telling them to do so (lack of medication persistence). ME
Autor:
Stanley R. Cole, Thomas G. Ivanco, Charles V. Spain, Donald F. Keller, David M. Schuster, Russ D. Rausch, Robert E. Bartels, John W. Edwards, David J. Piatak
Publikováno v:
41st AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit.
Sections of the Space Shuttle External Tank Liquid Oxygen (LO2) and Liquid Hydrogen (LH2) cable trays are shielded from potentially damaging airloads with foam Protuberance Aerodynamic Load (PAL) Ramps. Flight standard design LO2 and LH2 cable tray s
Autor:
Andrew Panetta, Joshua A. DeMoss, Peter S. Lively, Charles V. Spain, James R. Florance, Vic Tumwa, Thomas G. Ivanco, Carol D. Wieseman, Jennifer Heeg, Walter A. Silva
Publikováno v:
46th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference.
The Active Aeroelastic Wing (AAW) program is a cooperative effort among NASA, the Air Force Research Laboratory and the Boeing Company, encompassing flight testing, wind tunnel testing and analyses. The objective of the AAW program is to investigate
Autor:
Charles V. Spain, Ahmad S. Naser, Brian H. Mason, W. Jefferson Stroud, Thiagarajan Krishnamurthy
Publikováno v:
46th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference.
approach is presented for carrying out the reliability-based design of a plate-like wing that is part of a wind tunnel model. The goal is to design the wind tunnel model to match the stiffness characteristics of the wing box of a flight vehicle while
Autor:
Danny A. Barrows, A. W. Burner, Peter S. Lively, Thomas G. Ivanco, Charles V. Spain, James R. Florance, Jennifer Heeg, Joshua A. DeMoss
Publikováno v:
45th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics & Materials Conference.
The Videogrammetric Model Deformation (VMD) technique, developed at NASA Langley Research Center, was recently used to measure displacements and local surface angle changes on a static aeroelastic wind-tunnel model. The results were assessed for cons
Autor:
Peter S. Lively, Charles V. Spain, James R. Florance, Jennifer Heeg, Carol D. Wieseman, Thomas G. Ivanco
Publikováno v:
45th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics & Materials Conference.
The concept of exploiting wing flexibility to improve aerodynamic performance was investigated in the wind tunnel by employing multiple control surfaces and by varying wing structural stiffness via a Variable Stiffness Spar (VSS) mechanism. High desi
Publikováno v:
45th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics & Materials Conference.
Wind tunnel to Atmospheric Mapping (WAM) is a methodology for scaling and testing a static aeroelastic wind tunnel model. The WAM procedure employs scaling laws to define a wind tunnel model and wind tunnel test points such that the static aeroelasti
Publikováno v:
19th AIAA Applied Aerodynamics Conference.