Numerical simulation of airflow in a 2m telescope

Details Numerical simulation of airflow in a 2m telescope Numerical simulation of airflow in a 2m telescope

May 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009spie.7281e..19z&link_type=abstract

4th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Large Mirrors and Telescopes. Edited by

Statistics

Computation

Scientific paper

Recent advancements in computational fluid dynamics (CFD) software now make it possible to perform a full three-dimensional turbulent air flow analysis without the need for a supercomputer. The presented study investigates the airflow effects over 2-meter TSU telescope using CFD method. The effects of air velocity, air pressure about statics and dynamics and K energy have been calculated by using multi-physical coupling theory and CFD methods. It is shown that 90° angle between main optics axis and horizontal line is the best observation direction in which the air velocity distribution, airflow pressure deformation and K energy are the least to other directions.

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