The research placed the efficiency for a liquid air storage system’s complete charge and discharge cycle at 20%-50%, though Highview rebutted with a 50%-60% round-trip efficiency estimation for a ...

American and German helicopter manufacturers began experimenting with mounting tip jets on the ends of helicopter rotor ...

A Photovoltaic-Battery-Green Hydrogen nanogrid system is designed and modeled to investigate its potential as a decentralized energy solution able to satisfy the load profile of Near Zero Energy ...

in this paper, design, fabrication, modeling, and control of a low-cost ball and pipe air levitation laboratory system for educational purposes is investigated. Ball and pipe laboratory setup is a ...