2003-2004 Assessment of the Army Research Laboratory (2005) / Chapter Skim
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6 Vehicle Technology Directorate
6 Vehicle Technology Directorate
Pages 31-38
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From page 31... ...
The assessment detailed below reflects visits by the Panel on Air and Ground Vehicle Technology to the VTD sites at NASA Glenn (in May 2003) and NASA Langley (in May 2004)
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From page 32... ...
in composite fabrication and in crack growth in composite materials and addresses the broader, directly relevant application of allowing helicopters to withstand and inhibit the development and propagation of cracks resulting from the impact of enemy fire. The overall quality of technical presentations of the VTD researchers in the ASCED program, in the SARAP, and generally, continues to improve and represents increasingly higher caliber each year.
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From page 33... ...
For example, in a Comanche helicopter tail buffet test conducted by VTD several years ago, VTD actually published the entire time-load history data on digital media. The original data for the Active Twist Rotor also still exist only in (internal, unpublished)
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From page 34... ...
The VTD leadership recognizes that there are limits to this approach; they pointed out that "the total validation of the dynamics of complete rotor systems still has significant weaknesses in the correct implementation of the entire physics package." Clearly, when coupled with computational practices that are less than perfect, the dangers are exacerbated still further. This is an opportune time to remind the VTD of the Army Research Laboratory Technical Assessment Board's recommendation in the previous biennial report that ARL should consider a systematic initiative to improve computational modeling across ARL.1 As noted then, changes in computational style will become effective only when they are embraced by senior scientists and management, and when consistent and suitable mentoring of the younger scientists is implemented.
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From page 35... ...
The Panel has repeatedly asked for simple opening statements and/or slides that would delineate a project's goals in the context of the Army needs, but this was not regularly included as a standard presentation item. CONTRIBUTIONS TO ARMY NEEDS AND THE BROADER COMMUNITY Contributions to Army Needs Potential Contributions of Two Major Programs The ASCED program and the SARAP seem to be successfully and vigorously aimed at meeting future Army needs.
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From page 36... ...
Notwithstanding the aforementioned concerns, both the ASCED program and SARAP are important efforts that are making substantial progress and give every indication that they will meet future Army needs. Example Projects That Demonstrate Transition The Vehicle Technology Directorate works to transfer or transition technology by disseminating knowledge and understanding about both technical information and products to engineering centers, industry, and academia.
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From page 37... ...
From January 2001 through July 2004, VTD staff contributed 169 papers to presentations and proceedings, 95 refereed journal articles, 67 technical reports, and 21 patents. VTD research staff members are active participants in a variety of professional societies (e.g., the American Helicopter Society [AHS]
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From page 38... ...
Because of the importance of the enabling high-temperature material technology, the connectivity issue for the thermal and environmental barrier coatings efforts at VTD-Glenn has been well addressed through extensive collaborative research for expanding coating applicability and promoting technology transfer. Research and development of coating technologies have been integrated through various government, university, and industry programs, including an Army CTA Propulsion and Energy program aimed at developing durable ceramic environmental barrier coatings for Si3N4 engine components.
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