Aero/Thermo Engineer Staff
CurrentProvide support to NASA/Johnson Space Center’s (JSC) Crew and Thermal Systems Division. Under NASA’s Independent Verification and Validation Program, responsible for development of NASA’s performance models of the air side of the Orion Multi-Purpose Crew Vehicle’s (MPCV) Environmental Control and Life Support System (ECLSS) using Thermal Desktop/FloCAD and supporting NASA/JSC’s Orion Pressure Integrated Suit Test Program. -Developed a suite of Thermal Desktop models to simulate Orion ECLSS performance for various mission scenarios. An initial rapid transient model was developed to simulate phenomena such as rapid pressure transients during suited operations to address NASA medical requirements concerning the effects of pressure spikes on the crew. A second model was developed to simulate ECLSS performance over long periods of time (200-300 hours), such as loss of a Pressure Control System (PCS) N2 tank from the European Space Agency’s Service Module. A third model was developed to simulate MPCV’s Negative Pressure Relief Valve performance during atmospheric re-entry, when the cabin is pressurized from vacuum to atmospheric pressure. A fourth model of the Orion PCS was developed to simulate pressure drop and thermal effects for a sudden loss of cabin pressure. A fifth model was developed by integrating the Orion rapid transient ECLSS Model with METMAN in order to predict detailed human responses(body temperature, O2, CO2 and humidity levels) during suited operations. The model was then integrated by NASA into Lockheed Martin’s Orion Integrated Thermal Model to assess crew thermal comfort during post landing after re-entry.-Supported NASA/JSC’s Orion Pressure Integrated Suit Test Program, which included a series of tests designed to demonstrate a closed-loop life support system with suited crew using Orion ECLSS development components supplied by the vendor. Provided pre-test predictions from Thermal Desktop models of the test facility, and post-test data analysis.
