Energy-accommodation coefficient and drag coefficient modeling for stella and starlette

Piyush M. Mehta, Craig A. McLaughlin, Travis F. Lechtenberg, Stephen Mance

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Energy-accommodation coefficient is an important factor in estimating satellite drag coefficients. Relevant work done over the last decade involving energy-accommodation has predominantly been in the 150-500 km altitude range. This paper presents a step toward modelling energy-accommodation coefficient in the 500-1000 km altitude range. Drag coefficients from different sources were used for a qualitative analysis to extract the accommodation coefficients for Stella and Starlette. This paper also examines the ability of Direct Simulation Monte Carlo (DSMC) methods to compute satellite drag coefficients with partial accommodation using Bird's DS3V module. Results show that the accommodation coefficients for Stella and Starlette vary in the range of 0.1-0.28 and 0.29-0.58 respectively. Results also show that Monte Carlo methods perform well in calculating drag coefficients and that DSMC provides a plausible method for determining drag coefficients for non-spherical satellites with estimates for energy- accommodation coefficient. Copyright

Original languageEnglish (US)
Title of host publication63rd International Astronautical Congress 2012, IAC 2012
Pages5791-5801
Number of pages11
Volume7
StatePublished - Dec 1 2012
Event63rd International Astronautical Congress 2012, IAC 2012 - Naples, Italy
Duration: Oct 1 2012Oct 5 2012

Other

Other63rd International Astronautical Congress 2012, IAC 2012
CountryItaly
CityNaples
Period10/1/1210/5/12

Fingerprint Dive into the research topics of 'Energy-accommodation coefficient and drag coefficient modeling for stella and starlette'. Together they form a unique fingerprint.

Cite this