NDLI: The application of FEM in the physical field computation

Content Provider	IEEE Xplore Digital Library
Author	Miao Lijie Liu Tongyan
Copyright Year	2001
Description	Author affiliation: Power Equip. Nat. Eng. Res. Center, Harbin, China (Miao Lijie)
Abstract	General physical field equations of electromagnetic field, fluid, temperature field, displacement field that applied to nonconservative system are derived in this paper. Heat transfer coefficients are obtained by synthesizing fluid field calculation, model test, and several years' experience. Afterward temperatures in different parts are calculated by FEM of three dimensional temperature fields. Then structure deformation and heat stress are calculated according to the calculation result of temperature field and electromagnetic force. The calculation results are modified by the test of model and prototype. By this way we can eliminate local overheat and heat deformation by improving generator's structure. The work sets a basis for the design and development of Three Gorges generators. with respect to their safety and economic operation. A general physical field model of the electromagnetic field, fluid field, temperature field, and displacement field is derived by analogue theory and principle of duality. By this model computations were made on the Three Gorges machine and the prototype. comparisons were made between calculation and test of prototype.
Sponsorship	China Electrotech. Soc.(CES)
Starting Page	1081
Ending Page	1084
File Size	269068
Page Count	4
File Format	PDF
ISBN	7506251159
DOI	10.1109/ICEMS.2001.971865
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2001-08-18
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	International Academic Publishers/World Publishing Corporation
Subject Keyword	Physics computing Temperature Testing Prototypes Electromagnetic fields Equations Heat transfer Electromagnetic heating Stress Electromagnetic forces
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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