Future Materials Science Research on the International Space Station (1997)
Chapter: Appendix A: Summary of Space Station Furnace Facility Core Systems Science Requirements
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Appendix A Summary of Space Station Furnace Facility Core Systems Science Requirements
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Minimum volume |
3 racks |
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Total facility peak power |
12 kW |
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Heat rejection |
as required to dissipate energy used |
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Video |
National Television Standards Committee standards; upgradable |
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Magnetic field generation |
3.0 kW power available |
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Field stability |
&x156; 1.0% of desired field |
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Inert gas requirements per increment mission |
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SSFF provided inert gas |
8.16 kg 99.9995% pure argon |
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ISS provided nitrogen |
11.34 kg 99.995% pure |
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Control |
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Range |
10–200 kPa |
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Minimum flow rate |
4 kg argon/hr |
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Measurement |
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Range |
5–250 kPa |
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Resolution |
0.1 kPa |
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Vacuum (access provided to ISS system) |
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Range |
1×10-6-5 kPa |
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Absolute accuracy |
10.0% of measured value |
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Heating rate |
60 to 300°C/hr |
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Cooling requirements |
active or passive |
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Heater element control |
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Control set-point stability |
±0.1°C |
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Absolute control set-point accuracy |
±1.0°C |
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Number of controlled heaters |
45 total: 15 in IR1, 30 in IR2 |
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Temperature measurement |
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Range |
20.0–2,300.0°C |
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Resolution |
0.1°C |
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Absolute accuracy |
±0.9°C |
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Data rate |
10 scans/s |
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Translation capability |
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Rate range |
0.005 to 500.0 cm/hr |
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Control range |
60.0 cm |
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Rate stability |
< 5.0 of set-point at lowest rate to < 2.0% of set-point at highest rate |
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Rate stability rate |
< 1.0 mm/s2 |
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Translation rate measurement |
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Absolute accuracy |
±2.5% of set-point at fastest rate, |
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|
±10.0% of set-point at slowest rate |
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Resolution |
2.0% of set-point |
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Sampling rate |
up to 1 scan/s |
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Sample position measurement |
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Absolute accuracy |
±1.1% of provided signal |
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Resolution |
0.1 mm |
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Current pulsing |
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Pulse amplitude |
5.0 to 60.0A; selectable |
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Accuracy |
±0.5% of setting at 5 A |
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|
±0.25% of setting at 60 A |
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Resolution |
1.0 A |
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Pulse width |
10–4,000 ms |
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Accuracy |
±5.0% of setting |
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Resolution |
1.0 ms |
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Pulse shape |
variable |
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Transition time |
&x156;5.0% of pulse width |
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Minimum time between pulses |
250 ms |
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Pulse power |
|
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Peak |
1,600 W |
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Time averaged |
640 W (40% duty cycle) |
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Pulse voltage |
up to 60 V at core/module interface |
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Pulse polarity |
reversible |
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Voltage and current input measurements |
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Accuracy |
±0.1 V and ±0.1 A |
