51 research outputs found

    Chicago Recovery Partnership Evaluation of the American Recovery and Reinvestment Act

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    From 2009-2011, the City of Chicago and Cook County received a total of 2.35billioninfundingprovidedbytheAmericanRecoveryandReinvestmentAct[ARRA].Thestimulusmoneywasallocatedtosevenareas:education,basicneeds,transportationandinfrastructure,housingandenergy,publicsafety,broadbandandworkforcedevelopment.TheChicagoRecoveryPartnershipEvaluationofARRAanalyzestheimpactofthestimulusspendingusingacostbenefitanalysisframework.Thisreportevaluated2.35 billion in funding provided by the American Recovery and Reinvestment Act [ARRA]. The stimulus money was allocated to seven areas: education, basic needs, transportation and infrastructure, housing and energy, public safety, broadband and workforce development. The Chicago Recovery Partnership Evaluation of ARRA analyzes the impact of the stimulus spending using a costbenefit analysis framework. This report evaluated 1.09 billion of total spending in Chicago and Cook County, resulting in net benefits ranging from -173.9to173.9 to 2,740.2 million. The wide range in net benefits is attributed largely to education, which received over half of ARRA funding

    Design of a Shear-Stress Sensor Load Cell for Liquid Flows

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    ME450 Capstone Design and Manufacturing Experience: Fall 2007The measurement of friction drag produced by flowing liquids can be accomplished with a floating plate balance. A flush-mounted plate will experience the flow induced shear stress, and this stress is measured by a load cell. Precision mounting of the plate, and the stiffness and sensitivity of the load cell are key elements to the design of the shear-stress sensor. Moreover, these elements must be submerged in liquid if they are to be used for water flows. Steven Ceccio’s group has developed a shear-stress sensor and load cell assembly which is sufficient for these measurements. But, he would like to make the following design improvements: 1. Replace the semiconductor strain gauges on the cell with foil gauges without decreasing the sensitivity of the cell. This will require a re-design of the load cell itself. 2. Re-design of the waterproofing of the cell. 3. Consideration of optical strain gauges to replace the resistive gauges.Prof. Steven Ceccio, Mechanical Engineeringhttp://deepblue.lib.umich.edu/bitstream/2027.42/57944/1/me450f07project14_report.pd
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