Results 81 to 90 of about 32,976 (190)
EFFECT OF THE POWER SUPPLY ON STRUCTURE AND PROPERTIES OF Ti-6Al-4V ALLOY PARTS DURING 3D-PRINTING
The composition, structure and mechanical properties of samples obtained from the titanium alloy Ti-6Al-4V, by selective laser melting and electron beam melting processes regarding production of responsible aviation parts were carrying-out at present ...
Алексей Александрович Педаш +3 more
doaj +1 more source
Names are selected for NASA spaceflight projects and programs from various sources. Some have their foundations in mythology and astrology or legend and folklore.
Karegeannes, C. E. +2 more
core +2 more sources
Design and Construction of an Experiment for the Investigation of the Effects of Gust on Flapping Wing Micro Air Vehicle Power Consumption [PDF]
In recent years, the promising nature of flapping wing flight has led researchers to investigate the wing morphology and unsteady wing aerodynamics found in insects to aid in the design of modern micro air vehicles (MAVs).
Hiller, Brett
core +1 more source
DETERMINATION OF BOUNDARY CONDITIONS FOR CALCULATION THERMO STRESSED CONDITION OF PISTON
The paper deals with the study of the influence of the working process parameters of the two-stroke opposed piston engine like D100 (20.7/2×25.4), especially the heat exchange between the working substance and the wall of the combustion chamber (CC ...
Ван Зионг Нгуен +1 more
doaj +1 more source
NASA to launch third NATO communications satellite [PDF]
Launching of the third NATO communications satellite is discussed. The Delta launch vehicle is briefly described along with launch operations.
core +1 more source
Reusability Studies for Ares I and Ares V Propulsion [PDF]
With a mission to continue to support the goals of the International Space Station (ISS) and explore beyond Earth orbit, the United States National Aeronautics and Space Administration (NASA) is in the process of launching an entirely new space ...
Barrett, Greg +3 more
core +2 more sources
It is substantiated that the main factor explaining the impact of "front-line" aviation operators on the interaction of ICAO flight safety concept components is their "attitude to dangerous activities or conditions".
Олексій Миколайович Рева +3 more
doaj +1 more source
Advanced Method to Estimate Fuel Slosh Simulation Parameters [PDF]
The nutation (wobble) of a spinning spacecraft in the presence of energy dissipation is a well-known problem in dynamics and is of particular concern for space missions.
Gangadharan, Sathya +5 more
core +1 more source
RoboBat: Dynamics and Control of a Robotic Bat Flapping Flying Testbed [PDF]
This paper investigates the control of the phase difference in between three different motions of bat flight: pitching, mapping, and lead-lag. For active control, a robotic bat test bed capable of simulating different wing motions is used to test the ...
Chung, Soon-Jo +2 more
core +1 more source
Structural Analysis Methods for the Roll-Out Solar Array Flight Experiment [PDF]
The Roll-Out Solar Array (ROSA) flight experiment was launched to the International Space Station (ISS) on June 3rd, 2017. ROSA is an innovative, lightweight solar array with a flexible substrate that makes use of the stored strain energy in its ...
Banik, Jeremy A. +2 more
core +1 more source

