Peculiarities of using hot-air balloons in tests of parachute systems
Some peculiarities of using hot-air balloons in testing parachute systems are described in the paper.The main aim is to reduce expenses while 3 Piece Pub Set testing parachute systems.Similarity criteria such as Froude number and Newtons number were used to assess the reliability of the results of testing scaled-down models of parachute systems.The