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Social and Behavioral Sciences Commons™
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Full-Text Articles in Social and Behavioral Sciences
Long-Range Planning Cost Model For Support Of Future Space Missions By The Deep Space Network, J. S. Sherif, Donald S. Remer, H. R. Buchanan
Long-Range Planning Cost Model For Support Of Future Space Missions By The Deep Space Network, J. S. Sherif, Donald S. Remer, H. R. Buchanan
All HMC Faculty Publications and Research
A simple model is suggested to do long-range planning cost estimates for Deep Space Network (DSP) support of future space missions. The model estimates total DSN preparation costs and the annual distribution of these costs for long-range budgetary planning. The cost model is based on actual DSN preparation costs from four space missions: Galileo, Voyager (Uranus), Voyager (Neptune), and Magellan. The model was tested against the four projects and gave cost estimates that range from 18 percent above the actual total preparation costs of the projects to 25 percent below. The model was also compared to two other independent projects: …
Flat Plate Solar Collector Materials (And Designs With An Economic Methodology For Optimizing Collector Design), Michael L. Day '79, Donald S. Remer, Daniel Hyatt '82
Flat Plate Solar Collector Materials (And Designs With An Economic Methodology For Optimizing Collector Design), Michael L. Day '79, Donald S. Remer, Daniel Hyatt '82
All HMC Faculty Publications and Research
The desirability of specific materials and designs for conventional flat-plate solar collector components is considered. Then a methodology for choosing the most economic component is presented, consisting of a computer simulation and a rate-of-return analysis. The effect of rising conventional fuel costs is examined. Examples of using the methodology are given, based on Southern California climatic and user-demand conditions. Selective absorber-plate coatings and film inner glazing are shown to be economic, yielding a rate-of-return of 23 percent and 29 percent, respectively.