Method for solvig inverse Stefan problem to control ice wall state during shaft excavation

Method for solvig inverse Stefan problem to control ice wall state during shaft excavation

Mathematical statement of direct and inverse problem of Stefan for horizontal layer of rock massif with homogenous and isotropic thermophysical properties is presented. It is assumed as a hypothesis that heat transfer in vertical direction is negligible compared to heat exchange in horizontal plan...

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Bibliographic Details
Main Authors: Lev Yu. Levin, Mikhail A. Semin, Oleg S. Parshakov, Evgeniy V. Kolesov
Format: Article
Language:English
Published: Perm National Research Polytechnic University 2017-09-01
Series:Perm Journal of Petroleum and Mining Engineering
Subjects:
artificial ground freezing
ice wall
freezing column
rock massif
inverse Stefan problem
shafts
heat transfer equation
phase transition
numerical modelling
control well
incompatibility of input data
approximation
minimization of a functional
gradient decent method
exponential integral function
Online Access:http://vestnik.pstu.ru/get/_res/fs/file2.pdf/6839/Method+for+solvig+inverse+Stefan+problem+to+control+ice+wall+state+during+shaft+excavationfile2.pdf

Internet

http://vestnik.pstu.ru/get/_res/fs/file2.pdf/6839/Method+for+solvig+inverse+Stefan+problem+to+control+ice+wall+state+during+shaft+excavationfile2.pdf

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