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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: …
Design And Development Of A Photodegradable Bottle Cap, Kenneth S. Chon '87, Javier H. Idrovo '89, Donald S. Remer, Kenneth Pawlek '90, Kusha Janati '90
Design And Development Of A Photodegradable Bottle Cap, Kenneth S. Chon '87, Javier H. Idrovo '89, Donald S. Remer, Kenneth Pawlek '90, Kusha Janati '90
All HMC Faculty Publications and Research
The first photodegradable plastic cap for a glass beer bottle was developed and tested. The cap's design is the same as the current plastic, screw-on cap for soda bottles. A photodegradable resin was added to the soda cap plastic to make it photodegradable. Caps with 0%, 10%, and 25% photodegradable additive were made. Tests show that the photodegradable cap meets most of the physical properties required for a beer or a soda cap. A photodegradable cap with 10% degradable additive will cost about three times more than current metal crowns, but only about 10% more than current plastic soda caps. …