Mechanically Pumped Fluid Loop (MPFL) Heat Pipe
System Overview
Mass
≤ 20 kg
Working Fluid
R245FA / Acetone
Pump Material
SS 316 L
Evaporators
≥ 4 microchannels
(AA 6061-T6)
(AA 6061-T6)
Condenser
Flat plate & tube compact heat exchanger
Accumulator
Heater-controlled with phase separator
Pump
Brushless DC motor-driven, continuous duty
Electronics
Control & Drive package with MIL-1553 interface
Sensors & Electronics
Sensors
Mass flow, pressure, temperature
(Coriolis type)
(Coriolis type)
Flow Meter
Coriolis Type
Inlet / Outlet Connection
¼” NPT female
Drive Efficiency
> 75%
Power Consumption
< 50 W
Interface
MIL-1553
Bus Voltage
70 V ±1
Communication
RS-485
Pump Specifications
Operating Pressure
≤ 8 bar
Design Pressure
≤ 12 bar
Flow Rate
0–3 L/min (±0.5%)
Input Power
≤ 125 W
Angular Momentum
50–70 Nms
Pump Mass
≤ 2 kg
Noise
< 30 dB @ 10 m
(50 dB ambient)
(50 dB ambient)
Efficiency
≥ 80%
Performance
Max ΔT (Evaporator & Condenser)
≤ 20 °C
Maximum Heat Load
4 kW
Accumulator Control Accuracy
± 1 °C
Radiation Tolerance
≥ 10 krad
Leak Rate
≤ 20 °C
Burst Strength
≥ 2 × MEOP
Evaporator Temperature
–10 °C to +55 °C
Pump / Loop Temperature
–25 °C to +70 °C
Pressure Transducer
Range
Up to 12 bar
Response Time
≤ 30 ms
Accuracy
± 0.5%
Integration
Real-time feedback
Mass Flow Meter
Range
0 – 0.05 kg/s
Response Time
< 100 ms
Accuracy
Within ± 0.5%
Integration
RS-485 Communication
Customisations available upon request.
