Heat Pipe: Remote heat transport.Vapor Chamber: Heat spreading and uniformity.Thermosiphons: Gravity-assisted passive cooling.Loop Thermosiphons: Long-distance passive transport.
Grooved Wick: Low cost, orientation sensitiveSintered Wick: High capillary pumping capability.Mesh Wick: Moderate performance, flexible geometry.
Water: 5°C to 150°C, highest performance.Ammonia: -60°C to 60°C, aerospace.Methanol: -40°C to 120°C, low-temperature operation.Acetone: -40°C to 120°C, aluminum-compatible systems.