Open Access
B. Goswami
- Ex-Assistant Professor Department of Metallurgy Engineering, RVS College of Engineering and Technology, Jamshedpur Jharkhand India
Abstract
Summarised issued form is description of different failure cases of winged propulsions. Ethic is basic study from usual aircraft powered through rotary wing i.e., helicopters. Rotor wing composes lift capability by spins; otherwise, accessed score is obtained from aerodynamic lift. Rotor spins about an axis so that etiquette is aligned either vertical or side-to-side. Advent of rotary wing aircraft are that used to be practice is to take off and land vertical horizon. Aim is to hover for some kinds of rescue operation as well as fly slowly under same provision. Incidence of failure has studied, in lieu, adjunct pursue has been to study fatigue originated excuse. Iron inclusion addition to pocket of wing has involved failure early by fatigue crack to expose additional excused scope to failure of helicopter. Descriptive scope has linked to assess cause of failure arise from additive impurity by fabricate add an inclusive. Nevertheless, fatigue crack propagation has been configurative to as usual schemed scope. Assessment of other schemed evidence has been descriptive issued aerodynamic protocol variable to adjust based on field travel as well ground wave secularism i.e., advent of ground effect as assessed from excused marge of pursue from lift to drag ratio, wider wingtip vortex to subject reduced downwash angle, less power decisive prosecution, economy in hover flight as well high rotor blade efficacy.
Keywords: Rotary wing, helicopter, failure, ground effect, rotor blade
References
1. Mikael Amuraa, Lorenzo Aiellob, Mario Colavitac, Fabrizio De Paolisa, Manuele Bernabei: Failure of a helicopter main rotor blade; Procedia Materials Science 3 (2014) 726 – 731
2. Sonia Chalia, Manish Kumar Bharti: Theoretical Study of Ground Effect on Fixed Wing and Rotary Wing Aerodynamics; IJSRD International Journal for Scientific Research & Development| Vol. 5, Issue 03, 2017
3. Kamran Ahmad, Yasir Baig, Hammad Rahman, Hassan Junaid Hasham: Progressive failure analysis of helicopter rotor blade under aeroelastic loading; Aviation; 2020 Volume 24 Issue 1: 33–41 https://doi.org/10.3846/aviation.2020.12184
4. Peretz P. Friedmann: Rotary-Wing Aeroelasticity: Current Status and Future Trends; AIAA Journal; Vol. 42, No. 10, October 2004
5. A. S. Wall, F. F. Afagh, R. G. Langlois, S. J. Zan: Modeling Helicopter Blade Sailing: Dynamic Formulation and Validation; Journal of Applied Mechanics; Vol. 75; NOVEMBER 2008; 061004-1
6. A. Paternoster, R. Loendersloot, A. de Boer and R. Akkerman: Smart Actuation for Helicopter Rotor blades; Chapter 25; 2 Will-be-set-by-IN-TECH: http://creativecommons.org/licenses/by/3.0
7. Dimitrios Garinis, Mirko Dinulović, Boško Rašuo: Dynamic Analysis of Modified Composite Helicopter Blade; FME Transactions (2012) 40, 63-68
8. Sudhir Sastry Y B, Bhargavi Rachana I, Durga Rao K: Stress Analysis of Helicopter Composite Blade Using Finite Element Analysis; International Journal of Engineering Research & Technology (IJERT); Vol. 2 Issue 12, December – 2013; IJERTV2IS120036; 1291.
9. Simone Weber, Mudassir Lone, Alastair Cooke: Recent experiences of helicopter main rotor blade damage; Journal of the American Helicopter Society; Volume; 64; Issue 3; 2019; p. 1.
10. Christophe De Wagter and Ewoud JJ Smeur: Control of a hybrid helicopter with wings; International Journal of Micro Air Vehicles 2017, Vol. 9(3) 209–217
Journal of Mechatronics and Automation
| Volume | |
| Received | February 23, 2022 |
| Accepted | March 5, 2022 |
| Published | January 5, 2023 |