The Ranque-Hilsch vortex tube is an interesting piece of equipment. It can, without any moving parts or chemicals, separate hot and cold compressed gasses that are passed through it. Interestingly ...

Vortex tubes provided a maintenance-free solution to a variety of industrial spot-cooling problems. Independent laboratory tests certify that the tubes meet safety, health, and environmental standards ...

High-temperature vortex tubes convert compressed air into two streams: one hot, one cold. The tubes cool applications up to 392°F (200°C). The devices produce cold air down to –50°F (–46°C) and have a ...