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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 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
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--> 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
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