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421
Actuation and control of wing warping via tendon-sheath mechanism for flexible membrane wing mini-UAV
Published 2018“…Additionally, the FMW provides the convenience of quick deployment and storage by being foldable along the fuselage. This thesis details the research to achieve more roll control authority while preserving the adaptive washout and also foldable feature. …”
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Thesis -
422
Fatigue life monitoring program of RMAF MiG-29 / Wahyu Kuntjoro ... [et al.]
Published 2008“…The fatigue life of RMAF MiG-29 is based on the wing-fuselage lug joint structure, and Low Cycle Fatigue (LCF) approach is adopted. …”
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423
Alternative numerical validation methodology for short-term development projects
Published 2014“…Aerodynamic loads are acquired from simulating the Gulfstream IV-SP forward fuselage during climbing, cruising and landing. Mechanical loads are acquired from estimating structural weight and impact load during landing. …”
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424
Low velocity impact analysis of glass/kenaf hybrid composites for aerospace structural applications
Published 2018“…Nonetheless, the applications of composites in aircraft’s structure is tends to develop, especially the use of hybrid composites for fuselage which has many conflicting requirements. Several issues are highlighted in this research such as the selection of natural fibre that suits the usage in aerospace structural applications and the most suitable weight percentage combinations of individual fibre in hybrid composites that approaching the original constituents. …”
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425
Effects of helicopter horizontal tail configurations on aerodynamic drag characteristics
Published 2017“…To fulfil the objective, three of the most common helicopter horizontal tail configurations namely Forward Stabilizer, Low-aft Stabilizer and T-tail Stabilizer, were fabricated as a simplified scaled-down wind tunnel model mated with a standard ellipsoidal fuselage. The test wind speed for this experimental work was 30 m/s, determined from Reynolds sweep, which was corresponding to Reynolds number of 2.8 x 105. …”
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426
High velocity steel spheres impact and damage analysis of graphene doped T700 composite shielding panels
Published 2024-05-01“…Composite materials are increasingly being used in aircraft components such as fuselage panels which are subject to collision with debris during take-off/landing or in flight. …”
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427
Numerical Investigation of a Rectangular Jet Exhausting over a Flat Plate with Periodic Surface Deformations at the Trailing Edge
Published 2021-10-01“…In an attempt to satisfy these constraints while maintaining or improving vehicle performance, engineers have been experimenting with some innovative aircraft designs which place the engines above the wings or embedded in the fuselage. In one configuration, a blended wing concept vehicle utilizes rectangular jet exhaust ports exiting from above the wing ahead of the trailing edge. …”
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428
Investigating the Level of Fidelity of an Actuator Line Model in Predicting Loads and Deflections of Rotating Blades under Uniform Free-Stream Flow
Published 2021-12-01“…In helicopter configurations, the interaction of MR with the ground or the fuselage and the interaction of tail rotor with the duct in fenestron configurations are typical examples. …”
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429
Airport Spatial Usability in Measuring the Spherical Antenna Properties on Small Aircraft
Published 2021-11-01“…Particular attention is required to the location of these electronic devices’ antenna systems on the fuselage. A prerequisite for determining the location of the antenna and verifying its radiation is a thorough knowledge of the radio communication transmission of onboard electronic systems in cooperation with terrestrial or satellite systems. …”
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430
Research on the Stationarity of Hexapod Robot Posture Adjustment
Published 2020-05-01“…Therefore, this study solves the problem of the instability of the fuselage when the robot changes its attitude, and it provides an important reference for the multi-footed robot to improve the terrain adaptability.…”
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431
Numerical analysis of aircraft flow exhaust gases to design a curved deflector for Mexico City international airport
Published 2021-12-01“…The results presented here are those from the McDonnell Douglas MD11 airplane, which is the most critical case since it has an engine in the rear part of the fuselage on the vertical empennage, and this causes the flow of exhaust gases to arrive in a direction from top to bottom on the upper part of the Aerotren, which for safety should not exceed 15.0 m/s (54 km/hr). …”
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432
Numerical and experimental study on temperature and springback control of U-shape titanium extrusion hot stretch bending
Published 2022-12-01“…Hot stretch bending (HSB) was an advanced manufacturing process for fuselage structure of aircraft. In this work, U shaped titanium extrusion hot stretch bending was investigated by applying numerical and experimental approaches. …”
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433
Evaluation of Incident Light Sensors on Unmanned Aircraft for Calculation of Spectral Reflectance
Published 2019-11-01“…A Tetracam Miniature Multiple Camera Array (Mini-MCA) was mounted on a fixed-wing unmanned aircraft system (UAS) with the ILS mounted on top of the aircraft’s fuselage. On two dates the aircraft flew over six 50-ha agricultural fields with center-pivot irrigation at three different altitudes (450, 650 and 1800 m above ground level (AGL)). …”
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434
Multidisciplinary Optimisation of Aircraft Structures with Critical Non-Regular Areas: Current Practice and Challenges
Published 2021-08-01“…The design optimisation of aerostructures is largely based on Multidisciplinary Design Optimisation (MDO), which is a set of tools used by the aircraft industry to size primary structures: wings, large portions of the fuselage or even an entire aircraft. The procedure is computationally expensive, as it must account for several thousands of loadcases, multiple analyses with hundreds of thousands of degrees of freedom, thousands of design variables and millions of constraints. …”
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435
Comparison of In-Flight Measured and Computed Aeroelastic Damping: Modal Identification Procedures and Modeling Approaches
Published 2016-04-01“…The in-flight structural response has been measured by accelerometers distributed along the aircraft wings, fuselage and empennages. The Enhanced Frequency Domain Decomposition technique was chosen to identify the airframe dynamic parameters. …”
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436
Research on the Effect Characteristics of Free-Tail Layout Parameters on Tail-Sitter VTOL UAVs
Published 2024-03-01“…Consequently, this paper delves into the aerodynamic coupling characteristics and laws between the layout parameters such as tail number, tail length, and tail area and the tail-sitter VTOL UAV fuselage. To optimize the free-tail configuration, a multi-objective optimization is performed by integrating the overall UAV dynamics, landing dynamics, and modal transition trajectory constraints. …”
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437
Experimental Assessment of Hole Quality and Tool Condition in the Machining of an Aerospace Alloy
Published 2023-07-01“…This paper deals with an experimental investigation of hole quality in Al2024-T3, which is one of the aerospace alloys used in aircraft fuselage skin due to its high level of resistance to fatigue crack propagation. …”
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438
Study on the Energy Absorption Characteristics of Different Composite Honeycomb Sandwich Structures under Impact Energy
Published 2024-03-01“…A honeycomb structure is a sandwich structure widely used in fuselage, among which the hexagonal honeycomb core is the most widely used. …”
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439
Guided Wave Characteristic Research and Probabilistic Crack Evaluation in Complex Multi-Layer Stringer Splice Joint Structure
Published 2023-11-01“…Multi-layer and multi-rivet connection structures are critical components in the structural integrity of a commercial aircraft, in which elements like skin, splice plate, strengthen patch, and stringer are fastened together layer by layer with multiple rows of rivets for assembling the fuselage and wings. Their non-detachability and inaccessibility pose significant challenges for assessing their health states. …”
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440
Effect of engine failure on aerodynamic characteristics of a light transport aircraft model
Published 2022-09-01“…The aircraft is equipped with a loading ramp with a relatively short flat rotatable part of the lower fuselage surface. Experimental studies of the longitudinal and lateral characteristics of the model with installed simulators of a power plant were carried out in TsAGI low-speed wind tunnel T-102. …”
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