Fig. 1.
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Fig. 5.
Fig. 6.
Figure 7:
Operating conditions_
| Part | Design temp. (C) | Design pressure (MPa) | Permissible stresses (MPa) | Estimated thickness with increments (mm) | Permissible pressure (MPa) | Strength condition |
|---|---|---|---|---|---|---|
| The flat bottom | 30 | (0.1000) | 149 | 9.457 | 0.1097 | Satisfied |
| The cylindrical shell | 30 | (0.1000) | 149 | 3.849 | 0.2082 | Satisfied |
| The elliptical cover | 20 | (0.1000) | 150 | 2.137 | 0.6911 | Satisfied |
The initial data for calculations_
| Main part | Material | Diameter (Mm) | Thickness (mm) | Length (height), mm | Total increment, (mm) | Weld strength factor |
|---|---|---|---|---|---|---|
| The flat bottom | AISI-304 | 800 | 5 | 5 | 0,5 | 0,9 |
| The cylindrical shell | AISI-304 | 800 | 5 | 1300 | 0,5 | 0,9 |
| The elliptical cover | AISI-304 | 800 | 5 | 268 | 0,5 | 0,9 |
GSFC-STD-7000 Test requirements_ Vacuum, Thermal, and Humidity Requirements
| Requirement | Payload or Highest Practicable Level of Assembly | Subsystem including Instruments | Unit / Component |
|---|---|---|---|
| Thermal-Vacuum 1,6 | T | T | T2 |
| Thermal Balance 1,3,6 | T and A | T, A | T, A |
| Temperature-Humidity3 (Habitable Volumes) | T / A | T / A | T / A |
| Temperature-Humidity4 (Transportation & Storage) | A | T / A | T / A |
| Leakage5 | T | T | T |
Test conditions_
| Part | Design pressure (MPa) | Permissible stresses (MPa) | Estimated thickness with increments (mm) | Permissible pressure (MPa) | Strength condition |
|---|---|---|---|---|---|
| The flat bottom | 0 | 230 | 0.5 | 0.1693 | Satisfied |
| The cylindrical shell | 0 | 230 | 0.5 | 2.316 | Satisfied |
| The elliptical cover | 0 | 230 | 0.5 | 2.322 | Satisfied |