The Air Engine: Stirling Cycle Power for a Sustainable Future

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The rotating-displacer air engine Résumé. An alternative. Taylor parameter. A rotating-displacer air engine. Academic design exercise. The strange case of the self-regulating air engine Background. Some realities. Constructional details. Exploratory power and torque measurement. 'Selfregulation'. Tentative explanation. Conclusions. Some light on the inner workings of the thermal lag engine The concept. 'Thermal lag' engine. Ideal gas process sequence. A detailed model of the thermal processes. Limited heat transfer. Flow losses. A practical thermal lag engine. Preliminary operating experience. Afterthought. PART 3 WORKING WITH THE REALITY OF COMPRESSIBLE FLOW New correlations for old Right data – wrong application. The misleading Cf – Re correlation. Flow data acknowledging Ma. Dynamic Similarity to the rescue. Farewell to friction factor. The new format. What the new format reveals about 'incompressible'. Epitaph. Regenerator thermal analysis – un-finished business Regenerator design in context. Assumptions. Modified diffusion law. Numerical solution. Parameters of operation. Pressure and velocity fields. Inevitable asymmetry of flow cycle. Anisotropic matrix. Discussion. Flow passage geometry Scope. Symmetrical gauze – flow perpendicular to pane of weave. Flow parallel to plane of weave. Specimen isotropic material – metal foam. Résumé. Beyond the performance envelope Introduction. Method of Characteristics. 'Unit process' of the integration sequence. High-speed operation – the pressure-wave engine. Discussion. For the sceptics What does it all add up to? Flow in the isolated gauze aperture. Defining equations. Radial component of kinetic energy. The non-so-square-weave wire gauze. Kinetic energy of rotation. 'Real' (van der Waals) gas. Downstream pressure recovery. Simulated correlation p/p = p/p{Sg, Ma, y, dwmw.}. Implications for firstprinciples design. Résumé. PART 4 SOME DESIGN CONSIDERATIONS Scaling - and the neglected art of back-of-the-envelope calculation The overriding objective. Gas path scaling – update. Back-of-the-envelope Ma and Re in the regenerator. Limiting Ma. Compressibility vulnerability chart. Heat transfer. Implications for back-of-envelope design. A 'screening' test. The wider rôle of scaling. 'How to make a business out of Stirling Engines today' Tribal wisdom. From alchemy to appropriate technology. What has changed? The VDF-750(aS). Drive mechanism/kinematics. General mechanical construction. Pressure balance seal. Beyond 2006. APPENDICES Appendix I Draft patent specification What I claim is Appendix II Crank mechanism kinematics Algebra of kinematics of high-compression crank mechanism Appendix III Equilibrium or 'temperature-determined' picture of thermal lag engine Appendix IV Native wisdom Ordering: Order Online - http://www.researchandmarkets.com/reports/546836/ Order by Fax - using the form below
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The Air Engine: Stirling Cycle Power for a Sustainable Future

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