Althoughtheprinciplesofoperationofhelicalscrewmachines, ascompressors or expanders, have been well known for more than 100 years, it is only during the past 30 years that these machines have become widely used. The main reasons for the long period before they were adopted were their relatively poor e?ciency and the high cost of manufacturing their rotors. Two main developments led to a solution to these di?culties. The ?rst of these was the introduction of the asymmetric rotor pro?le in 1973. This reduced the bl- hole area, which was the main source of internal leakage by approximately 90%,...
Althoughtheprinciplesofoperationofhelicalscrewmachines, ascompressors or expanders, have been well known for more than 100 years, it is only during th...
This is the proceedings of the 15th International conference on Engineering and Product Design Education - a successful annual conference valued by the design community. The conference is a collaboration between the publisher - the Design Society Special Interest Group for Design Education and the Institution of Engineering Designers. This is valuable reading for all educators and practitioners in design.
This is the proceedings of the 15th International conference on Engineering and Product Design Education - a successful annual conference valued by th...
Althoughtheprinciplesofoperationofhelicalscrewmachines, ascompressors or expanders, have been well known for more than 100 years, it is only during the past 30 years that these machines have become widely used. The main reasons for the long period before they were adopted were their relatively poor e?ciency and the high cost of manufacturing their rotors. Two main developments led to a solution to these di?culties. The ?rst of these was the introduction of the asymmetric rotor pro?le in 1973. This reduced the bl- hole area, which was the main source of internal leakage by approximately 90%,...
Althoughtheprinciplesofoperationofhelicalscrewmachines, ascompressors or expanders, have been well known for more than 100 years, it is only during th...
Current concerns with climate change have resulted in greatly increased interest in power recovery from low grade heat sources. This includes both hot fluid streams which can be expanded directly to produce mechanical power and those which act as a source of heat to closed cycle power generation systems. Power recovery from low grate heat by means of screw expanders with a generalised overview of how best to recover power from such sources, based on thermodynamic considerations, which differs to the approach used in classical thermodynamics textbooks and which includes an...
Current concerns with climate change have resulted in greatly increased interest in power recovery from low grade heat sources. This includes both ...
This is the proceedings of the 17th International conference on Engineering and Product Design Education - a successful international annual conference valued by the design community. The conference is a collaboration between the publisher - the Design Society Special Interest Group on Design Education; the Institution of Engineering Designers and Loughborough Design School. This is valuable reading for all educators and practitioners in design.
This is the proceedings of the 17th International conference on Engineering and Product Design Education - a successful international annual conferenc...
