596 research outputs found

    Votes Count: Legislative Action on Pre-K Fiscal Year 2009

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    Provides an overview of changes in state legislatures' budgets for pre-K programs and discusses regional trends in progress toward providing pre-K education for all -- or the lack thereof. Includes state-by-state budget and policy summaries

    Unsteady effects during resistance tests on a ship model in a towing tank

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    It is known that there are oscillations in the wave resistance during the constantvelocity phase of a towing-tank resistance test on a ship model. In this work, the unsteady thin-ship resistance theory has been applied to this case. The results have been compared with experiment data obtained using a towing carriage the velocity history of which can be programmed. It is demonstrated here that generally excellent correlation exists between the theory and the experiments. In particular, one can predict the influence of Froude number, rate of acceleration, and type of smoothing of the acceleration on the characteristics of the oscillations. These characteristics include the amplitude, rate of decay, frequency, and phasing of the oscillations in the curve of wave resistance versus time

    Leadership Matters: Governors' Pre-K Proposals, Fiscal Year 2009

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    Through an annual review of governors' budget proposals and state of the state addresses, rates governors' commitments to early education, from "heroes" to "all talk and no action." Summarizes all state and District of Columbia pre-K budget changes

    New Directions for Minority Enterprise

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    Leadership Matters: Governors' Pre-K Proposals Fiscal Year 2006

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    Twenty budget-savvy governors recently recommended increased investment in a cost-effective strategy that saves taxpayers money, boosts state economies, and prepares our youngest citizens for future success. That strategy is high-quality, voluntary pre-kindergarten.This report evaluates all 50 U.S. governors and the mayor of the District of Columbia in terms of their budgetary proposals and State of the State remarks in support of voluntary pre-k for all

    Leadership Matters: Governors' Pre-K Proposals Fiscal Year 2007

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    Across the country, governors are recognizing high-quality, voluntary pre-kindergarten as a proven school-reform strategy. In 2006, 24 leaders prioritized this effort by proposing increased funding to expand and enhance their states' pre-k programs. These investments promise to improve both K-12 systems and children's opportunities for success in kindergarten and in life. This report reviews the state of the state addresses and proposed budgets of our nation's governors and the mayor of the District of Columbia to assess their individual commitments to high-quality pre-k for all

    Resistance of a compartmented surface-effect ship

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    A series of carefully controlled experiments on the resistance of a model of a compartmented surface-effect ship has been conducted in a towing tank. Configurations of the model included cases encompassing one subcushion and two subcushions, as well as differing values of the pressures in the subcushions. It was shown that a reduced total resistance in the appropriate range of Froude number could be achieved in this manner. Furthermore, the previously developed theory for the resistance of a surface-effect ship was verified for the model for a Froude number greater than 0.40

    Museum-School Partnerships: From Creative Discourse to Resource Development

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    This paper aims to explore museum-school partnerships and best educational practices within each entity\u27s efforts to collaborate. The project surveys museum education and explores programmatic and curriculum development that help to serve as enrichment for students. These partnerships are important to the museum studies field as it fulfills a fiduciary responsibility that museums hold - to educate the public. By fulfilling the needs of both entities (museums and schools), creative discourse ensues, creating solutions for students to enrich their learning. I end with a project to propose the development of an exhibition resource guide that would combine the knowledge and needs of both teachers and museum educators

    Pre-K and Politics 2005

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    2005 was a banner year for high-quality pre-k. Across the nation, states made substantial new commitments, grew existing programs, and provided support for professional development and other quality building efforts. Of course, not all the news was good. In some states, governors failed to advance programs that benefit children, while in others, inadequate governance left programs rudderless. This report takes a closer look at the year's pre-k winners and losers and identifies those states where pre-k is at a crossroads

    Realistic evaluation of hull performance for rowing shells, canoes, and kayaks in unsteady flow

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    In this study, we investigated the effect of hull dynamics in shallow water on the hydrodynamic performance of rowing shells as well as canoes and kayaks. An approach was developed to generate data in a towing tank using a test rig capable of reproducing realistic speed profiles. The impact of unsteady shallow-water effects on wave-making resistance was examined via experimental measurements on a benchmark hull. The data generated were used to explore the validity of a computational approach developed to predict unsteady shallow-water wave resistance. Comparison of measured and predicted results showed that the computational approach correctly predicted complex unsteady wave-resistance phenomena at low oscillation frequency and speed, but that total resistance was substantially under-predicted at moderate oscillation frequency and speed. It was postulated that this discrepancy arose from unsteady viscous effects. This was investigated via hot-film measurements for a full-scale single scull in unsteady flow in both towing-tank and field-trial conditions. Results suggested a strong link between acceleration and turbulence and demonstrated that the measured real-world viscous-flow behaviour could be successfully reproduced in the tank. Thus a suitable tank-test approach could provide a reliable guide to hull performance characterization in unsteady flow
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