portada Fast Whole-Engine Stirling Analysis (en Inglés)

Fast Whole-Engine Stirling Analysis (en Inglés)

Formato

Libro Físico

Autor

Nasa Technical Reports Server (Ntrs)

Rodger W. Dyson

Editorial

Bibliogov

Idioma

Inglés

N° páginas

Encuadernación

Tapa Blanda

Dimensiones

24.6x18.9x0.2 cm

Peso

0.09 kg.

ISBN13

9781289147938

Categorías

Política y gobierno

Fast Whole-Engine Stirling Analysis (en Inglés)

Nasa Technical Reports Server (Ntrs) (Autor) · Rodger W. Dyson (Autor) · Bibliogov · Tapa Blanda

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Reseña del libro "Fast Whole-Engine Stirling Analysis (en Inglés)"

An experimentally validated approach is described for fast axisymmetric Stirling engine simulations. These simulations include the entire displacer interior and demonstrate it is possible to model a complete engine cycle in less than an hour. The focus of this effort was to demonstrate it is possible to produce useful Stirling engine performance results in a time-frame short enough to impact design decisions. The combination of utilizing the latest 64-bit Opteron computer processors, fiber-optical Myrinet communications, dynamic meshing, and across zone partitioning has enabled solution times at least 240 times faster than previous attempts at simulating the axisymmetric Stirling engine. A comparison of the multidimensional results, calibrated one-dimensional results, and known experimental results is shown. This preliminary comparison demonstrates that axisymmetric simulations can be very accurate, but more work remains to improve the simulations through such means as modifying the thermal equilibrium regenerator models, adding fluid-structure interactions, including radiation effects, and incorporating mechanodynamics.