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