Methodology Development and Investigation of Turbofan Engine Response to Simultaneous Inlet Total Pressure and Swirl Distortion [PDF]
, 2019 As a contribution to advancing turbofan engine ground test technology in support of propulsion system integration in modern conceptual aircraft, a novel inlet distortion generator (ScreenVaneTM) was invented.
Frohnapfel, Dustin Joseph
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Comparative Study on the Performance of S-Shaped Diffuser With Shorten Length
MATEC Web of Conferences, 2018 This study presents numerical investigation on the performance of S-shaped air intake normal and aggressive diffuser with 22% length reduction. Both models have same area ratio of 3.1 with different total length, turning angle and radius of curvature ...
Jessam Raed A. +2 more
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Research on Unsteady Flow Field Characteristics of Submerged Inlet under Large Maneuver Condition [PDF]
Hangkong bingqiIn order to explore the differences in steady-state and transient aerodynamic characteristics of submerged inlets during high maneuvering flight, this study focuses on cruise missile and adopts CFD numerical methods to conduct steady-state and transient ...
Feng Yuhua, Zhang Junyao, Wang Limin, Mi Baigang
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Distortion mechanisms in varactor diode-tuned microwave filters [PDF]
, 2006 This paper examines the broadband distortion behavior in flexible filters employing varactor-diode tuning elements. Series- and parallel-resonant varactor-loaded transmission-lines, both commonly used in bandpass and bandstop microwave filters, are ...
Carey-Smith, BE, Warr, PA
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Dimensionality Reduction Optimization of High Subsonic Unmanned Aerial Vehicles Intake
气体物理To address the problem of poor aerodynamic performance in the S-shaped intake duct of a subsonic unmanned aerial vehicle (UAV), the study investigates how to optimize its design to achieve the highest possible total pressure recovery coefficient and ...
Zeqi QI, Zheng GUO, Suqi CHEN, Ke YU
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Numerical simulation of continuous penetration of spudcan based on SPH mesh-free method
Shuili Shuiyun Gongcheng Xuebao, 2020 The penetration process of spudcan in saturated soil concomitantly involves extremely large soil deformation and complex soil-water-structure interaction, which are difficult to simulate using traditional mesh-based methods due to mesh distortion. SPH is
MENG Xiang +3 more
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, 2014 The rising interest in fan performance in the presence of total pressure distortion, a topic of fundamental interest for integrated airframe/engine architectures, has led to increased research in ground based testing environments.
Bailey, Justin Mark
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Turboelectric Distributed Propulsion System Modelling [PDF]
, 2013 The Blended-Wing-Body is a conceptual aircraft design with rear-mounted, over wing engines. Turboelectric distributed propulsion system with boundary layer ingestion has been considered for this aircraft.
Liu, Chengyuan
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Lattice Distortion and Phase Stability of Pd-Doped NiCoFeCr Solid-Solution Alloys
Entropy, 2018 In the present study, we have revealed that (NiCoFeCr)100−xPdx (x= 1, 3, 5, 20 atom%) high-entropy alloys (HEAs) have both local- and long-range lattice distortions by utilizing X-ray total scattering, X-ray diffraction, and extended X-ray ...
Fuxiang Zhang +5 more
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Effects of inlet total pressure distortion on fan performance
, 2009 Experiments were performed at the AneCom AeroTest facility in Wildau, Germany to determine the effects of inlet total pressure distortions, representative of those expected for an inlet to a supersonic business jet, on fan performance. A Rolls-Royce fan,
Md Ishak, Nizam Haris
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