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An oscillating heat pipe (OHP), also known as a pulsating heat pipe (PHP), is only partially filled with liquid working fluid. The pipe is arranged in a serpentine pattern in which freely moving liquid and vapor segments alternate. [41] Oscillation takes place in the working fluid; the pipe remains motionless.
However, the Air Force did reveal that among the onboard payloads was an experimental oscillating heat pipe. [2] Additionally, it was revealed after OTV-5 landed that it had deployed three cubesats in orbit. [3]
A loop heat pipe (LHP) is a two-phase heat transfer device that uses capillary action to remove heat from a source and passively move it to a condenser or radiator. LHPs are similar to heat pipes but have the advantage of being able to provide reliable operation over long distance and the ability to operate against gravity. They can transport a ...
The hot heat exchanger has to transfer heat to the stack and the cold heat exchanger has to sustain the temperature gradient across the stack. Yet, the available space for it is constrained with the small size and the blockage it adds to the path of the wave. The heat exchange process in oscillating media is still under extensive research.
An electric heater is best suited to homes and offices while a gas/oil-fueled space heater should be used in ventilated places like garages or job sites. Oscillating Ceramic Tower Space Heater $99 ...
In dimensional analysis, the Strouhal number (St, or sometimes Sr to avoid the conflict with the Stanton number) is a dimensionless number describing oscillating flow mechanisms. The parameter is named after Vincenc Strouhal , a Czech physicist who experimented in 1878 with wires experiencing vortex shedding and singing in the wind.