Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 1711 for “"pump"”.
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Bicycle powered water pump
Thesis. 1978. B.S.--Massachusetts Institute of Technology. Dept. of Mechanical Engineering.
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Analysis of a Turbopiston Pump
An innovative pump, TurboPiston Pump, has been invented to incorporate the merits of centrifugal, axial, and positive displacement pumps. The TurboPiston pump is designed to deliver large flow rates at very high pressure of up to 1000 psia. To improve the original design, an understanding of flow …
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Competency Guide For Intrathecal Pump Nurses
… Intrathecal Pain Therapy (ITP). The intrathecal pump therapy has been used for many years and if not done effectively complications can be fatal.</p> <p>Programming errors, administering incorrect medication concentration/dosage and pump and catheter malfunctions can place the patient at risk for …
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Picosecond pump-probe diagnostics for combustion
Includes bibliographical references (pages 181-191).
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Low cost solar powered water pump
… of a prototype solar energy powered water pump. The system was developed in an attempt to meet the following requirements and constraints: Cheap, convenient and easy manufacture, reliability and low maintanance of the system, no auxiliary power requirements, and minimum running costs. The …
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Fluid motions in a peristaltic pump.
Massachusetts Institute of Technology. Dept. of Mechanical Engineering. Thesis. 1966. M.S.
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Design optimization of oxygenated fluid pump
… the set infusion rate on an ordinary pump does not necessarily indicate what is delivered. In addition, the fluid is provided at a 90% gas by volume concentration and is extremely viscous. The goal of this project is to create a pump to deliver a specified volumetric flow rate of the …
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An integrated decanter centrifuge-pitot pump
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 1996.
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An air-to-air heat pump
All available information on heat pumps was read and the articles pertaining directly to design, operation, and the overall performance of air-to-air heat pumps were included in the Review of Literature. The advantages and disadvantages of the basic types of systems and their heat sources were …
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Investigation of digital pump/motor control strategies
<p>A pump is the heart of fluid power systems, it has a significant impact on the efficiency of many fluid power systems. Motors are the most common rotary actuators in fluid power systems. State-of-the-art pump/motor units can achieve efficiencies higher than 90% when operating at maximum …
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Active control of pipe-borne pump noise
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 1991.
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Adaptive Hydraulics for Improved Centrifugal Pump Efficiency
Centrifugal pumps are used ubiquitously for fluid transport in industrial and municipal systems including: clean and waste water systems, pumped hydro energy storage, closed loop HVAC heating, and irrigation. Globally, pumps consume hundreds of billions of kilowatt hours of electricity each year. …
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Bioresorbable Osmotic Pump for Long–term Contraception
… we investigated a fully bioresorbable osmotic pump system that provides over 1.5 years of contraception. Osmotic pump systems are recognized for their capacity to provide near zero-order drug release kinetics coupled with immediate drug release cessation upon completion of osmotic …
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Microcomputer control of a pneumatic blood pump
… a dual chamber, diaphragm-type pneumatic blood pump in both open-loop and closed-loop modes. The open-loop mode of operation allows selection of pumping rate and systolic time parameters. The closed-loop mode of operation allows selection of pumping rate and pump output parameters, with the …
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An investigation into high temperature superconducting flux pump technology with the circular type magnetic flux pump devices and YBaCuO films
… This thesis focuses on emerging HTS flux pump technology for HTS coils operating in a dc environment. HTS flux pump technology applies a travelling magnetic wave to fully magnetise an HTS coil, which is both efficient and economical, and has in recent years been proven feasible. However, …
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Marshall Carby's An Experiment with an Air Pump
… painting, An Experiment on a Bird in the Air Pump as an inspirational starting point, Shelagh Stephenson's An Experiment with an Air Pump explores the depth of human existence using universal conflicts such as: morals versus ethics, science versus God and right versus wrong. Since the play's …
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Numerical and Experimental Analysis of a TurboPiston Pump
The TurboPiston Pump was invented to make use of merits such as, high flow rates often seen in centrifugal pumps and high pressures associated with positive displacement pumps. The objective of this study is to manufacture a plastic model 12†TurboPiston Pump to demonstrate the working principle …
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Investigation of erosion-corrosion behaviour of pump materials
… on the material selection process for critical pump components.
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Biotic pump of atmospheric moisture: A conceptual model
The Biotic Pump Theory, as described by Drs. Makarieva and Gorshkov (M&G), defines the mechanism by which water vapour is transported from areas of low evaporation to areas of high evaporation, conveniently termed “donor” and “acceptor” regions, respectively, and where only the latter exhibits …
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