Estimated Aerodynamic Forces and Moments and Optimal Orientation of the V-Bat Airframe During Vertical Landing in Gusty Conditions [PDF]
, 2023 Ship based Unmanned Air Systems (UAS) are an important tool used by the United States Navy for situational awareness and short-range operations. Naval UAS are used to provide real-time intelligence, surveillance, reconnaissance, and target-acquisition ...
Carter, Parker C.
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New Atmospheric Turbulence Model for Shuttle Applications [PDF]
An updated NASA atmospheric turbulence model, from 0 to 200 km altitude, which was developed to be more realistic and less conservative when applied to space shuttle reentry engineering simulation studies involving control system fuel expenditures is ...
Campbell, C. W. +3 more
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A Study of Ship Airwakes Using Dual Plane Stereoscopic PIV [PDF]
, 2022 The airwake of a model Simple Frigate Shape 2 (SFS2) was studied in a low-speed wind tunnel. This airwake was measured using a novel time-dependent, dual plane, stereoscopic particle image velocimetry approach.
Mazzilli, Guillermo
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The handling qualities and flight characteristics of the Grumman design 698 simulated twin-engine tilt Nacelle V/STOL aircraft [PDF]
This paper describes three government-conducted, piloted flight simulations of the Grumman Design 698 vertical and short takeoff and landing (V/STOL) aircraft.
Eskey, M. A., Wilson, S. B., III
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Unsteady Aerodynamic Interaction Between Rotor and Ground Obstacle [PDF]
, 2018 The mutual aerodynamic interaction between rotor wake and surrounding obstacles is complex, and generates high compensatory workload for pilots, degradation of the handling qualities and performance, and unsteady force on the structure of the obstacles.
Barakos, George N. +4 more
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VTOL shipboard letdown guidance system analysis [PDF]
Alternative letdown guidance strategies are examined for landing of a VTOL aircraft onboard a small aviation ship under adverse environmental conditions. Off line computer simulation of shipboard landing task is utilized for assessing the relative merits
Karmali, M. S., Phatak, A. V.
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Analysis of Helicopter Downwash/Frigate Airwake Interaction Using Statistically Designed Experiments [PDF]
, 2010 A research program to investigate helicopter downwash/frigate airwake interaction has been initiated using a statistically robust experimental program featuring Design of Experiments.
Nacakli, Yavuz
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A Wind Tunnel Technique for the Identification of Ship Airwake/Rotor Downwash Coupling [PDF]
, 2011 A wind tunnel study is performed to analyze the interaction between ship airwakes and helicopter rotor downwash. This interaction is of interest to naval aviators and researchers as this phenomenon is thought to limit helicopter flight envelopes and ...
Doane, Stargel R.
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Ship airwake analysis by computational fluid dynamics methods
, 2021 Bu çalışma, havacılıkta kullanılmak üzere tasarlanmamış gemilerin üst yapısındaoluşan akım alanını, hesaplamalı akışkanlar dinamiği yöntemleriyle incelemeyiamaçlamaktadır. Bu, helikopter/gemi etkileşimini içeren karmaşık akım alanlarınınhesaplanmasında ilk adımdır.
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Numerical simulation of unsteady ship airwakes [PDF]
Advances in Engineering Research, 2017 openaire +1 more source