Dynamic Strain Measurement of Rotor Blades in Helicopter Flight Using Fiber Bragg Grating Sensor [PDF]
Sensors, 2023 Fiber Bragg grating (FBG) sensor has a lot of advantages over the resistance strain gauge and has been used in many applications. However, there are few applications of rotor blade dynamic measurement in helicopter flight.
Honglin Zhang +3 more
doaj +3 more sources
Eng, 2021 In the present study, a three-dimensional finite element framework has been developed to model a full-scale multilaminate composite helicopter rotor blade. Tip deformation and stress behavior have been analyzed for external aerodynamic loading conditions
Arunabha M. Roy
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Fracture analysis of AA6061-graphite composite for the application of helicopter rotor blade
Fracture and Structural Integrity, 2021 The main objective of the work is to study the fracture behavior of AA6061-graphite material using both experimental technique and finite element simulation by considering helicopter rotor blade as a case study.
Saleemsab Doddamani +3 more
doaj +2 more sources
Helicopter Main Rotor Blade Parametric Design for a Preliminary Aerodynamic Analysis Supported by CFD or Panel Method. [PDF]
Materials (Basel), 2022 This work is the preliminary part of a research program which is aimed at finding some new methods and design solutions for helicopter main rotor multidisciplinary optimization.
Kocjan J, Kachel S, Rogólski R.
europepmc +2 more sources
Aerodynamics Analysis of Helicopter Rotor in Flight Test Using Strain Gauge Sensors [PDF]
SensorsThe acquisition of aerodynamic loads on helicopter rotors is fundamental to the study of helicopter performance optimization, structural design, flight control, and other aspects.
Shuaike Jiao, Jiahong Zheng
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Aerodynamic and acoustic analysis of helicopter main rotor blade tips in hover [PDF]
, 2016 Purpose: The design of main rotor blade tips is of interest to helicopter manufactures since the tip details affect the performance and acoustics of the rotor. The paper aims to discuss this issue.
Barakos, George +4 more
core +2 more sources
Numerical Simulation of Helicopter Rotor Performance Degradation in Natural Rain Encounter
International Journal of Aerospace Engineering, 2021 Sustained flight operation in the rain conditions is still a challenge to a pilot. This problem can be mainly attributed to the aerodynamic performance degradation of aircraft.
Guozhi Li, Yihua Cao
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Failure of a Helicopter Main Rotor Blade
Procedia Materials Science, 2014 AbstractA military helicopter crash was investigated. The aircraft was flying at cruise speed in clear sky at 1000 feet over a flat area. The crew suddenly lost the control of the helicopter that crashed in the immediately causing fatal injuries to the whole crew.
Amura, Mikael +4 more
openaire +2 more sources
STRENGTH ANALYSIS OF A PROTOTYPE COMPOSITE HELICOPTER ROTOR BLADE SPAR [PDF]
Applied Computer Science, 2022 This paper investigates the strenght of a conceptual main rotor blade dedicated to an unmanned helicopter. The blade is made of smart materials in order to optimize the efficiency of the aircraft by increasing its aerodynamic performance.
Rafał KLIZA +4 more
doaj +2 more sources
Numerical Calculation Of Aerodynamic Loads Of Helicopter Rotor Using CFD / BET Method [PDF]
فناوری در مهندسی هوافضا, 2023 Considering the complexity of analyzing the phenomena affecting the aerodynamic performance of the main rotor helicopter and how to simulate the dynamic movements of the blade relative to the center of rotation, Using methods such as blade element theory
Mehdi Naderi Nezhad +2 more
doaj +1 more source