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Design and Research on Test Device of Pipeline Corrosion in Flowing Seawater

Author: ZhangXinQi
Tutor: DuanMingDe
School: Henan University of Science and Technology
Course: Mechanical Manufacturing and Automation
Keywords: Test device Numerical Simulation Transition section Dynamic seawater corrosion Tube streaming
CLC: TG174.3
Type: Master's thesis
Year: 2011
Downloads: 32
Quote: 0
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Abstract


Ship the material properties of the pros and cons of the ship's service life has important research focus at home and abroad mainly in the development of new materials for high corrosion resistance , high stain resistance and high resistance to erosion , and performance testing of ship materials an important part of the materials Research . In this paper, the development of a new tube streaming moving seawater corrosion test device , the outdoor real environment , the device can accurately simulate the actual working conditions of the navigation of the ship , effectively improve test the authenticity of the data , the new ship materials , developed to provide a reliable experimental basis . Completed the main work is as follows : the moving seawater corrosion test tube streaming device status of research and development at home and abroad , according to the functional and technical requirements of the test device to determine the overall design ; establish a digital model of the test device , based on computational fluid dynamics study using CFD analysis method based on the length of the transition section between the test section and on the downstream test section of the flow rate , pressure relations optimized design , the length of the transition section . MIXTURE two-phase model analysis of the cavitation test device test area , the main reason for the test area cavitation cavitation , the cavitation cavitation is proposed to improve the test area . The results of the research and analysis of the complete the moving seawater corrosion test tube streaming device development , installation and commissioning of the test device . The debugging results indicate that the developed tube -flow moving seawater corrosion test device is easy to operate , reasonable design , stable performance , can simulate the actual working conditions when the ship is . The device has been successfully applied in a natural marine environment Experiment Station .

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CLC: > Industrial Technology > Metallurgy and Metal Craft > Metallurgy and Heat Treatment > Metal corrosion protection,metal surface treatment > Corrosion control and protection > Corrosion testing and equipment
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