This work describes the effect bending within the adiabatic section has on the performance of heat pipes. The heat pipes described herein are bendable post fabrication and are distinct from heat pipes fabricated in bent configurations and from flexible heat pipes. The effect of bending on performance and performance limits was both calculated and measured. The heat pipes used for testing were the copper-water variety. The wick was made from sintered copper felt and provided the bendability feature of these heat pipes. The concept of copper equivalence to reduce performance measurements data was used via benchmark test data against solid copper pipes.
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