A computer simulation of the variable pressure growth chamber (VPGC) located at the NASA Johnson Space Center (JSC) has been developed using an expanded version of the Computer-Aided Systems Engineering and Analysis (CASE/A) simulation package. The VPGC is a pressure chamber that has been outfitted to support the growth of approximately 10.6 m2 of plants in an enclosed environment of approximately 27 m3 (Reference 1). CASE/A is a physical/chemical system-level simulation package originally developed to model the life support systems of Space Station Freedom. The expanded version of CASE/A extends the simulation package by including biological components, primarily plant growth algorithms. The configuration, modeling methods and verification of the CASE/A Variable Pressure Growth Chamber model are described. Performance estimates generated from the model are compared to data from recent lettuce growth experiments in the VPGC.
Computer Modeling of the Variable Pressure Growth Chamber Using the CASE/A Simulation Package
Sae Technical Papers
International Conference On Environmental Systems ; 1992
1992-07-01
Conference paper
English
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