Ahmed Kovacevic Editor

Ian K Smith is professor of Applied Thermodynamics at City University London, UK, and has been contributing to systems for the recovery of power from low grade heat for more than 40 years. Nikola Stosic is professor of Positive Displacement Compressor Technology at City University, London, UK, and is widely recognised as a world authority on twin screw machines. Ahmed Kovacevic is Howden Professor of Engineering Design at City University, London, UK, and has wide experience in the design of screw compressors and expanders