Zobrazeno 1 - 10
of 19
pro vyhledávání: '"Christopher I. Cruz"'
Publikováno v:
The American Journal of Emergency Medicine. 36:1174-1177
Publikováno v:
Pediatric Emergency Care. 32:315-317
We present the clinical and radiological findings involving a mesenteric lymphatic malformation causing volvulus in a toddler presenting with acute abdominal pain, as well as its treatment options.
Autor:
Darshan C. Patel, Christopher I. Cruz
Publikováno v:
The Journal of Emergency Medicine. 45:30-33
Background Foreign body ingestion is a frequent complaint in the Pediatric Emergency Department. Objective Button-battery ingestion is discussed, with particular attention being given to its management. Case Report Here is an interesting case of a bu
Publikováno v:
Journal of Spacecraft and Rockets. 33:169-177
Flowfield solutions over the Mars Pathfinder Probe spanning the trajectory through the Martian atmosphere at angles of attack from 0 to 11 deg are obtained. Aerodynamic coefficients derived from these solutions reveal two regions where the derivative
Publikováno v:
Journal of Aircraft. 31:879-885
Publikováno v:
Journal of Aircraft. 31:597-602
Wind-tunnel tests of a National Aero-Space Plane configuration were conducted in the NASA Langley Unitary Plan Wind Tunnel (UPWT). The model used is a Langley designed blended body configuration. Dynamic stability characteristics were measured on thi
Autor:
George M. Ware, Christopher I. Cruz
Publikováno v:
Journal of Spacecraft and Rockets. 30:529-536
Wind-tunnel tests were made from subsonic to hypersonic speeds to define the aerodynamic characteristics of the HL-20 lifting-body configuration. The data have been assembled into an aerodynamic database for flight analysis of this proposed vehicle.
Autor:
Roger A. Lepsch, Christopher I. Cruz, Alan W. Wilhite, Lance B. Bush, W. Douglas Morris, Douglas O. Stanley, Kathryn E. Wurster
Publikováno v:
Journal of Spacecraft and Rockets. 28:646-651
A single-stage-to-orbit vertical takeoff/horizontal landing rocket vehicle was studied to determine the benefits of advanced technology. Advanced technologies that were included in the study were variable mixture ratio oxygen/hydrogen rocket engines
Publikováno v:
Journal of Guidance, Control, and Dynamics. 14:834-839
Simulations are conducted to investigate a proposed NASA launch vehicle that is fully reusable, takes off horizontally, and uses airbreathing propulsion in a single stage. The propulsion model is based on a cycle analysis method, and the vehicle is a
Publikováno v:
Journal of Spacecraft and Rockets. 28:179-183
Advanced manned launch systems studies under way at the NASA Langley Research Center are part of a broader effort that is examining options for the next manned space transportation system to be developed by the United States. One promising concept th