Results 71 to 80 of about 89,009 (315)

The orbiter air data system [PDF]

open access: yes
Air data parameters are required during Orbiter atmospheric entry for use by the autoguidance, navigation, and flight control systems, and for crew displays.
Hillje, E. R.
core   +1 more source

Simplified Free-Flight Testing in a Conventional Wind Tunnel [PDF]

open access: yes, 1962
In order to incorporate the advantages of ballistic range testing with the convenience of wind tunnel testing, simplified techniques have been developed at the Jet Propulsion Laboratory (JPL) for free-flight testing of models in a conventional wind ...
Dayman, B., Jr.
core   +1 more source

Characterization of an Injectable Poly(vinyl alcohol)‐gelatin Hydrogel for Growth Factor Delivery in an Orthopedic Application

open access: yesAdvanced Healthcare Materials, EarlyView.
This work introduces photo‐crosslinkable tyraminated poly(vinyl alcohol)‐gelatin (PVA‐GT) hydrogels as tunable injectable platforms for tissue engineering and growth factor delivery applications. This schematic illustrates the two developed hydrogel formulations and the experimental workflow used to evaluate their physico‐chemical properties in vitro ...
Alessia Longoni   +15 more
wiley   +1 more source

Study of Drag Coefficients in Solar Panel Under Wind Loads

open access: yesRevista Cubana de Ingeniería, 2017
Due to the geographical situation of Cuba the wind plays an important role in the design of the solar panels. The aim of the research is to evaluate the differences that appear in the support reactions of the panel, due to pressures acting, in ...
Alejandro López Llanusa   +3 more
doaj   +1 more source

An inventory of aeronautical ground research facilities. Volume 1: Wind tunnels [PDF]

open access: yes
A survey of wind tunnel research facilities in the United States is presented. The inventory includes all subsonic, transonic, and hypersonic wind tunnels operated by governmental and private organizations.
Brown, K. R.   +3 more
core   +1 more source

Smart Face Masks as Wearable Respiratory Sensors: A Review of Sensor Technologies, Materials, and Future Directions

open access: yesAdvanced Healthcare Materials, EarlyView.
This review highlights recent advances in smart face masks that actively monitor breathing. By integrating humidity, gas, temperature, pressure, strain, and triboelectric sensors, these masks track key respiratory parameters in real time. The article summarizes sensor mechanisms, compares performance across studies, and discusses challenges and future ...
Negin Faramarzi   +7 more
wiley   +1 more source

Structure Design of the Force Testing Central Support of a Transonic and Supersonic Wind Tunnel

open access: yesJixie chuandong, 2015
The force testing central support is an important part of the model supporting system in a transonic & supersonic wind tunnel,the performance of which is qualified or not would directly affect the control of model attitude angel during wind tunnel ...
Dong Bin   +3 more
doaj  

Procedures and requirements for testing in the Langley Research Center unitary plan wind tunnel [PDF]

open access: yes
Information is presented to assist those interested in conducting wind-tunnel testing within the Langley Unitary Plan Wind Tunnel.
Hyman, Curtis E., Jr., Wassum, Donald L.
core   +1 more source

Epidermal Patch Technologies for Integrated Healthcare and Infection Management

open access: yesAdvanced Healthcare Materials, EarlyView.
Epidermal patches have evolved from simple wound coverings into multifunctional, skin‐conformable platforms integrating drug delivery, biosensing, and therapeutic functionalities. This review highlights their material innovations, fabrication strategies, and intelligent designs, including hydrogels, microneedles, and flexible electronics, while ...
Yuqi Wang   +7 more
wiley   +1 more source

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