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This is a design document forTechnical communication course/ Liquid Nitrogen Shrinking Fitting Box
Design & Technology
Pages 8 (2008 words)
Liquid Nitrogen Shrink Fitting Box [Name] [Institution] Abstract One of the major challenges of metal systems is the tendency of various metal components to expand when heated and contract when cooled. The conventional approaches used to mitigate this problem involve heating the out components before assembly to allow it expands so that the inner component can be effectively fitted into it…
This paper proposes a practical, efficient shrinking fitting system that requires low initial implementation costs as well as minimal operation or maintenance costs. Executive Summary The proposed procedure will employ the phenomenon of thermal expansion in the make strong joints. The technique particularly involves using liquid nitrogen as the preferred cryogenic fluid for compression shrink fitting. Numerous literatures reveal that the conventional heat and fitting techniques often consume a lot of time, are costly to operate and can also lead to significant mechanical damage due to stress resulting from uneven or poor heating procedures. This paper proposes an alternative shrink fitting system that: Is cost effective Does not damage the components Has a low capital cost Efficient Among all the cryogenic fluids reviewed such as helium, hydrogen fluid is the most applicable in this project. Although there are several cryogens that are currently available for use in compression shrink fitting, liquid nitrogen is one of the cheapest and most common of them and can be legally purchased in nearly every part of the world. ...
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