Positive Displacement Machines. Modern Design Innovations and Tools

Table of Contents

Part 1 Geometric innovation in positive displacement machines 1. The orbital displacer: Implications and applications 2. Cardiac action pumps and motors 3. Geometric design of the limac�on machine 4. The geometrical problem in the positive displacement scroll machines 5. Screw compressors and expanders

Part 2 Mechanismanalysis for positive displacement machines 6. Improving torque performance in reciprocating compressors via asymmetric stroke characteristics 7. Variable compression ratio at internal combustion engine 8. Dynamic modelling and design of bent axis pumps 9. Numerical analyses of THD lubrication and dynamics of rolling piston and bearings in a rotary compressor 10. Dynamic characteristics of rolling piston machines

Part 3 Tools for analysis: Mathematical modelling and CFD 11. Mathematical modelling for positive displacement expanders 12. Mesh handling for the CFD simulation of external gear pumps 13. Combining lumped parameter modelling and CFD analysis for the pressure ripple estimation of tandem gear pumps 14. Analytical, numerical and experimental approaches to improving the performance indices of an orbital hydraulic motor 15. Modelling of twin-screw machines by use of CFD

Authors

Ibrahim A. Sultan Associate Professor, Faculty of Science and Technology, Federation University, Australia. Ibrahim Sultan is an Associate Professor at the Faculty of Science and Technology at Federation University, Australia. His research interests include Mechanism Analysis and Design, Positive Displacement Machinery, Energy Generation and Efficiency, and Robot Kinematics and Calibration. Truong H. Phung Lecturer, Faculty of Science and Technology, Federation University, Australia. Truong Phung is a fulltime lecturer at the Faculty of Science and Technology at Federation University, Australia, where he teaches and works on research projects in the field of positive displacement machines.