Thesis Defense by Len Hillhouse on December 4th
Space Studies Master’s student, Len Hillhouse, will defend his thesis as follows. Please show your support by attending.
When: Wednesday, December 4th, 2013 at 4:00 p.m. (Central)
Where: Ryan Hall, Room 111
Title: Air Circulation Under Reduced Atmospheric Pressures – Theories of Heat Exchange Control
The control of heat exchange is vital for plant life in off-world, low pressure, greenhouses. The ability to control this process was limited by methodology and technology. Mathematical models, based on classical mechanics are created to enhance our control capabilities. Data is collected using various sensors placed inside the Low Pressure Test Bed (LPTB) Chamber at Kennedy Space Center. Data from those sensors became non-linear at various pressures below 25 kPa. We introduced mathematical calibration corrections and found that sensor data linearity could be extended to a greater range of pressures. These calibration corrections allow for sensor calibration corrections in operational environments that differ from the environment of calibration (normal Earth atmospheric pressure).
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