Research Article
Lightweight Photovoltaic Composite Structure on Stratospheric Airships
Table 3
The equivalent mechanical properties of honeycomb.
| Type | Values |
| Double hole wall, a | 1.5 mm | Honeycomb angle, θ | 55° | Elastic modulus of Nomex paperboard, Es | 1780 MPa | Elastic modulus of honeycomb core layer, E1 | 1.18 MPa | Shear modulus of honeycomb core layer, G1 | 2.01 MPa | Single hole wall, l | 2 mm | Nomex paperboard thickness, t | 0.13 mm | Shear modulus of Nomex paperboard, Gs | 623 MPa | Elastic modulus of honeycomb core layer, E2 | 0.92 MPa |
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