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Articles 1 - 4 of 4
Full-Text Articles in Physical Sciences and Mathematics
Error Aggregation In The Reengineering Process From 3d Scanning To Printing, Jennifer G. Michaeli, Matthew C. Degroff, Roman C. Roxas
Error Aggregation In The Reengineering Process From 3d Scanning To Printing, Jennifer G. Michaeli, Matthew C. Degroff, Roman C. Roxas
Engineering Technology Faculty Publications
This work aims to study the aggregation of dimensional errors in the reengineering processes using 3D scanning and printing without initial design drawings. A 57-tooth spur gear is used as an example to facilitate the discussion. Two approaches are investigated. The first one builds the gear model based upon measurement taken from a caliper, and the second approach uses a 3D scanner to collect geometry data. Dimensional errors in each stage of these two approaches are investigated. Particular attention is paid to the geometry data flow in the reengineering process from data acquisition and editing to model construction. Recommendations are …
Power Budgets For Cubesat Radios To Support Ground Communications And Inter-Satellite Links, Otilia Popescu
Power Budgets For Cubesat Radios To Support Ground Communications And Inter-Satellite Links, Otilia Popescu
Engineering Technology Faculty Publications
CubeSats are a class of pico-satellites that have emerged over the past decade as a cost-effective alternative to the traditional large satellites to provide space experimentation capabilities to universities and other types of small enterprises, which otherwise would be unable to carry them out due to cost constraints. An important consideration when planning CubeSat missions is the power budget required by the radio communication subsystem, which enables a CubeSat to exchange information with ground stations and/or other CubeSats in orbit. The power that a CubeSat can dedicate to the communication subsystem is limited by the hard constraints on the total …
Green Infrastructure Training For Veterans, Carol L. Considine, Michael W. Seek, Jon Lester, Anthony W. Dean
Green Infrastructure Training For Veterans, Carol L. Considine, Michael W. Seek, Jon Lester, Anthony W. Dean
Engineering Technology Faculty Publications
The Environmental Protection Agency launched a Strategic Agenda to Protect Waters and Build More Livable Communities through Green Infrastructure in April of 2011. This initiative supports local communities in using green infrastructure to manage rain water while creating co-benefits of green space, which makes communities more attractive and livable. (EPA) In the fall of 2014 the Environmental Protection Agency along with the U.S. Department of Agriculture, U.S. Department of Defense, U.S. Department of Energy, U.S. Department of Housing and Urban Development, U.S. Department of the Interior and U.S. Department of Transportation signed a federal letter of support for green infrastructure …
Mechanisms For Cross-Scaling, Flexibility And Social Learning In Building Resilience To Sea Level Rise: Case Study Of Hampton Roads, Virginia, Carol Considine, Michelle Covi, Juita-Elena (Wie) Yusuf
Mechanisms For Cross-Scaling, Flexibility And Social Learning In Building Resilience To Sea Level Rise: Case Study Of Hampton Roads, Virginia, Carol Considine, Michelle Covi, Juita-Elena (Wie) Yusuf
Engineering Technology Faculty Publications
This case study examines how the Hampton Roads Sea Level Rise Preparedness and Resilience Intergovernmental Planning Pilot Project, a whole-of-government and whole-of-community approach to planning for and adapting to sea level rise, addressed coastal resilience in a southeastern Virginia watershed that spans multiple jurisdictions. Meeting the challenge of sea level rise requires that actors across multiple sectors—citizens, community organizations, industry and government—understand the risks and work together to make critical decisions regarding adaptation strategies and actions. The case study area includes Little Creek Amphibious Base, which is bordered by the cities of Norfolk and Virginia Beach. Adaptation responses to sea …