Heat Transfer Between Shell And Rigid Body
Through The Thin Heat-conducting Layer Taking
Into Account Mechanical Contact
Author(s)
V. V. Zozulya
Abstract
A problem of heat conducting and unilateral contact of a shell with a rigid body
through the heat-conducting layer is formulated. An approach consists in
considering a change of layer thickness in the process of the shell deformation.
For modelling thermoelastic state of the shell classical Kirchhoff-Love's model is
explored. For modelling heat conductivity of the shell expansion into a
polynomial Legendre series in terms of the thickness is used. Contact conditions
that take into account possibilities for unilateral mechanical contact and change
of heat transfer conditions between shell and rigid body are formulated.
Numerical examples of the unilateral thermoelastic contact of the cylindrical
shells and rigid body through the heat-conducting layer are considered. Influence
of physical and geometrical parameters of the shell and heat conducting layer is
investigated.
Keywords: heat-conductivity, cylindrical shell, heat-conducting layer,
mechanical contact.
1 Introduction
Contact interaction is the most common way to transfer load from one body to
another. In the case of contacting bodies having different temperatures between
them heat-contact interactions take place. Therefore, not only the condition of
the mechanical contact, but also conditions of the thermal contact have to be
considered. Usually, perfect thermal contact is assumed, i.e. it is assumed that
the temperature and the thermal flux of the contacting bodies in the contact area
are the same [3]. In numerous publications [2, 4–15] it was shown that in many
cases these contact conditions are not acceptable because they can not take into
Keywords
heat-conductivity, cylindrical shell, heat-conducting layer,
mechanical contact.
Related Book
Other papers in this volume
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