Abstract
Crashworthiness requirement of fuel tanks is one of the important requirements in helicopter designs. The relations among the protection frame, textile layer and rubber layer of the fuel tank are introduced. Two appropriate FE models are established, one is for an uncovered helicopter fuel tank without protection frame, and the other is for fuel tank with protection frame. The dynamic responses of the two types of fuel tanks impinging on the ground with velocities of 17.3 m/s are numerically simulated for the purpose of analyzing energy-absorbing capabilities of the textile layer and protection frame. The feasibility of the current crashworthiness design of the fuel tank is examined though comparing the dynamic response behaviors of the two fuel tanks.
| Original language | English |
|---|---|
| Pages (from-to) | 230-235 |
| Number of pages | 6 |
| Journal | Chinese Journal of Aeronautics |
| Volume | 20 |
| Issue number | 3 |
| DOIs | |
| State | Published - Jun 2007 |
Keywords
- Crashworthiness
- FEM
- Fuel tank
- Helicopter
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