Controlling the Water Availability from a Ceramic Tube System Subjected to Non-Standard Gravities

Paper #:
  • 961505

Published:
  • 1996-07-01
Citation:
Tsao, D., Okos, M., and Sager, J., "Controlling the Water Availability from a Ceramic Tube System Subjected to Non-Standard Gravities," SAE Technical Paper 961505, 1996, https://doi.org/10.4271/961505.
Pages:
9
Abstract:
The Porous Ceramic Tube - Nutrient Delivery System (PCT-NDS) offers means to control water availability to plants under non-standard gravities. It is hypothesized that control can be obtained by applying suction pressure within the ceramic tubes. The research objectives include verifying the presented control equation for the PCT-NDS under micro-(less than 1 g) and hyper- (greater than 1 g) gravities. Experiments were conducted on a KC-135 subjecting the system to near-zero to 2 g's and to sustained hyper-gravities upto 10 g's using a centrifuge. Results indicated that the water availability can be controlled through applied suction pressure.
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