NDLI: Systems analysis of a closed loop eclss using the aspen simulation tool. thermodynamic efficiency analysis of eclss components. m.s. thesis

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Systems analysis of a closed loop eclss using the aspen simulation tool. thermodynamic efficiency analysis of eclss components. m.s. thesis

Content Provider	NASA Technical Reports Server (NTRS)
Author	Chatterjee, Sharmista
Copyright Year	1993
Description	Our first goal in this project was to perform a systems analysis of a closed loop Environmental Control Life Support System (ECLSS). This pertains to the development of a model of an existing real system from which to assess the state or performance of the existing system. Systems analysis is applied to conceptual models obtained from a system design effort. For our modelling purposes we used a simulator tool called ASPEN (Advanced System for Process Engineering). Our second goal was to evaluate the thermodynamic efficiency of the different components comprising an ECLSS. Use is made of the second law of thermodynamics to determine the amount of irreversibility of energy loss of each component. This will aid design scientists in selecting the components generating the least entropy, as our penultimate goal is to keep the entropy generation of the whole system at a minimum.
File Size	4029912
Page Count	136
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19940007894
Archival Resource Key	ark:/13960/t7pp4157c
Language	English
Publisher Date	1993-06-30
Access Restriction	Open
Subject Keyword	Man/system Technology And Life Support Cabin Atmospheres Metabolic Wastes Thermodynamic Efficiency Systems Analysis Computerized Simulation Entropy Feedback Control Water Reclamation Environmental Control Life Support Systems Spacecrews Bioastronautics Air Purification Closed Ecological Systems Respiration Computer Aided Design Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Thesis

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