High‐Speed Liquid Projectiles: an Efficient Energy Conversion Tool

Application of high speed liquid projectiles for enhancement of the efficiency and reduction of the emission of fuel combustion is discussed. Overall energy efficiency of combustion can be improved if combustion products generated at an extreme high rate are used as a working fluid in material processing or energy conversion operations. In the course of a performed study the products of the powder combustion were used for generation of high speed (1000–1750 m/s) liquid projectiles. The energy effectiveness of the use of these projectiles for metal forming, welding and rocks boring was demonstrated. The feasibility of development of an emission free coal combustion technology is also discussed.