scholarly journals Lessons Learned in Applying Accelerometers to Nuclear Effects Testing

2008 ◽  
Vol 15 (6) ◽  
pp. 619-629
Author(s):  
Patrick L. Walter
Keyword(s):  
Free Surface ◽  
Short Duration ◽  
Rise Time ◽  
Impulsive Loading ◽  
Lessons Learned ◽  
Free Surfaces ◽  
The Future ◽  
History Of ◽  
Nuclear Effects

Exoatmospheric nuclear effects, such as those that would be encounter by reentry bodies, provide instantaneous (near zero-duration), impulsive loading of structures. Endoatmospheric nuclear effects possess an impulse that is finite in duration, but whose rise time is still instantaneous. The commonality of these loadings is that they initiate waves propagating through structures, resulting in extremely short duration accelerations to free surfaces where accelerometers are mounted. Over the years, attempts have been made to measure free surface accelerations using ceramic, quartz, and piezoresistive accelerometers. This paper describes the lessons learned, and looks to the future. It also provides a history of shock accelerometer development.

History of weta (Orthoptera: Anostostomatidae) translocation in New Zealand: lessons learned, islands as sanctuaries and the future

2008 ◽  
Vol 12 (3-4) ◽  
pp. 359-370 ◽  
Author(s):  
Corinne Watts ◽  
Ian Stringer ◽  
Greg Sherley ◽  
George Gibbs ◽  
Chris Green
Keyword(s):  
New Zealand ◽  
Lessons Learned ◽  
The Future ◽  
History Of

Coast Guard Vessel of Opportunity Skimming System (VOSS), Past, Present and Future of meeting Service spill response needs (containment, skimming, and pumping)

2017 ◽  
Vol 2017 (1) ◽  
pp. 2017023
Author(s):  
Mike Crickard ◽  
Tim Gunter
Keyword(s):  
United States ◽  
Private Sector ◽  
Oil Spill ◽  
Deepwater Horizon ◽  
Lessons Learned ◽  
Coast Guard ◽  
Worst Case ◽  
The Future ◽  
Vessel Response ◽  
History Of

The Coast Guard Vessel of Opportunity Skimming (VOSS) has recently gone through a consolidation of pollution response equipment to modernize its spill equipment capability for oil spill (containment, skimming, and pumping) to meet the response needs of the future. This paper will review the history of Coast Guard VOSS implementation, deployment during Deep Water Horizon, VOSS consolidation of 15 sites in 2014–2015, and challenges facing Coast Guard VOSS capability gaps in the future. In the aftermath of the EXXON VALDEZ oil spill in 1989, the Coast Guard assessed gaps and deficiencies in the ability of government and private sector resources to fully and adequately respond to major oil spill events. At the time, major gaps were found in the private sector's ability to deliver emergency first response equipment in major port areas. These gaps were addressed by Coast Guard acquisition, pre-positioning and on-going maintenance of VOSS systems & other equipment. Regulatory regimes were created and the Coast Guard created a system for determining the ability of the private sector to respond to a worst case discharge (WCD) including Title 33 CFR Parts 154 and 155 requiring facility and vessel response plan holders to have plans and contracts for privately owned pollution response equipment sufficient to respond to a WCD. The regulations have resulted in the increased capacity of Oil Spill Response Organization (OSRO) in the coastal areas of the continental United States. The Deepwater Horizon response in 2010 was the largest pollution response equipment deployment by private and government resources in the nation's history. Most Coast Guard VOSS systems were deployed in response to Deepwater Horizon. The growth of spill response equipment by the private sector and lessons learned from the Deepwater Horizon VOSS spill deployment were utilized to support the consolidation of VOSS equipment in the continental United States while maintaining VOSS capacity in remote areas.

The Practical Aspects of a Usability Lab (Panel)

1989 ◽  
Vol 33 (10) ◽  
pp. 630-631
Keyword(s):  
Lessons Learned ◽  
Different Types ◽  
The Future ◽  
History Of ◽  
Under Construction

This panel will explore the practical issues behind the scenes of a Usability Lab. The following topics will be discussed: how the labs are designed and built, including types of video equipment; what situations produce the need for a lab; the history of some of the labs; lessons learned in running a lab; and how Usability Labs will be utilized in the future. The panelists will be from different industries, testing different types of ideas, theories and products. Some of the Labs represented are several years old and some are just under construction. Usability Lab testing is no longer restricted to academia and larger corporations. It is useful for many of us.

scholarly journals Are 100%Green Composites and Green Thermoplastics the New Materials for the Future?

2012 ◽  
Vol 2012 ◽  
pp. 1-7 ◽  
Author(s):  
Jean Marc Saiter ◽  
Larisa Dobircau ◽  
Nathalie Leblanc
Keyword(s):  
Wheat Flour ◽  
Short Duration ◽  
Material Science ◽  
Natural Fibres ◽  
Green Composites ◽  
New Materials ◽  
Material Technology ◽  
The Future ◽  
History Of

A review of the history of the evolution of material science and material technology shows us that one tendency for the future could be the use of agriculture resources. In this work, we review the performances of one of these resources, that is, wheat flour. We show that it is possible to get thermoplastic films with properties quasiequivalent to what is obtained for expensive pure starch. By adding natural fibres, composites are also obtained. These composites exhibit performances which allow their use only for short duration.

scholarly journals The Financial Crises of 1929 and 2008: What Lessons Learned from the COVID-19 Health Crisis?

2021 ◽  
Author(s):  
Donatien Avelé ◽  
Keyword(s):  
Financial Crises ◽  
Lessons Learned ◽  
Health Crisis ◽  
The Past ◽  
The Future ◽  
Macroeconomic Instability ◽  
History Of ◽  
The Impact

Reading the history of economic and financial crises bears witness to the unprecedented and unprecedented nature of the COVID-19 pandemic. To complete our reflection, we are discussing the impact of the COVID-19 pandemic in connection with macroeconomic instability. This short reflection answers the question of whether the lessons learned from the crises of the past can serve the major international financial players in the future

A Dynamic Systems Approach to Personality

2001 ◽  
Vol 6 (3) ◽  
pp. 172-176 ◽  
Author(s):  
Lawrence A. Pervin
Keyword(s):  
Dynamic Systems ◽  
Systems Approach ◽  
Biological Processes ◽  
Recent Advances ◽  
Dynamic View ◽  
The Future ◽  
History Of

David Magnusson has been the most articulate spokesperson for a holistic, systems approach to personality. This paper considers three concepts relevant to a dynamic systems approach to personality: dynamics, systems, and levels. Some of the history of a dynamic view is traced, leading to an emphasis on the need for stressing the interplay among goals. Concepts such as multidetermination, equipotentiality, and equifinality are shown to be important aspects of a systems approach. Finally, attention is drawn to the question of levels of description, analysis, and explanation in a theory of personality. The importance of the issue is emphasized in relation to recent advances in our understanding of biological processes. Integrating such advances into a theory of personality while avoiding the danger of reductionism is a challenge for the future.

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