Topic
Shell balance
About: Shell balance is a research topic. Over the lifetime, 154 publications have been published within this topic receiving 3691 citations.
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TL;DR: In this article, a law for conservation of energy is used in solving a system of equations describing the one-dimensional motion of an ideally plastic incompressible shell exposed to an expanding polytropic gas in equilibrium.
Abstract: A law for conservation of energy is used in solving a system of equations describing the one-dimensional motion of an ideally plastic incompressible shell exposed to an expanding polytropic gas in equilibrium. Analytic expressions are obtained for determining the stress and velocity fields in the shell as a function of the displacement of the internal shell boundary.
4 citations
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TL;DR: In this article, it was proved that the separation from a curved wall for a second-order fluid occurs earlier than that for a Newtonian fluid, and this fact was confirmed by determining the flow of a secondorder fluid past a circular cylinder and finding the location of the point of separation for various values of a nondimensional parameter formed from the material constants of the fluid, the velocity at infinity and the radius of the cylinder.
Abstract: It has been proved that the separation from a curved wall for a second-order fluid occurs earlier than that for a Newtonian fluid. This fact is confirmed by determining the flow of a second-order fluid past a circular cylinder and finding the location of the point of separation for various values of a non-dimensional parameter formed from the material constants of the fluid, the velocity at infinity and the radius of the cylinder. The dependence of the point of separation on the material constants of the fluid and the flow parameters is a peculiarity of a second-order fluid since the location of the point of separation for a Newtonian fluid is independent of these quantities.
4 citations
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TL;DR: In this paper, the dependence of the shear strength of a fluid on the fluid pressure and the bulk fluid temperature, respectively, was studied for given bulk fluid temperatures and fluid pressures in the whole ranges of fluid pressure.
Abstract: Purpose – Seeks to study the dependence of the shear strength of a fluid on the fluid pressure and the bulk fluid temperature, respectively, theoretically for given bulk fluid temperatures and fluid pressures in the whole ranges of fluid pressure and bulk fluid temperature.Design/methodology/approach – The analyses are, respectively, carried out with emphasis on the dependence of the shear strength of a fluid in liquid state, i.e. at low pressures on the fluid pressure and the bulk fluid temperature for given bulk fluid temperatures and fluid pressures based on the theory of the compression of the fluid by the pressurization of the fluid.Findings – The fluid shear strength versus fluid pressure curve in the whole range of fluid pressure and the fluid shear strength versus bulk fluid temperature curve in the whole range of bulk fluid temperature, respectively, for a given bulk fluid temperature and a given fluid pressure are obtained. It is shown by this fluid shear strength versus fluid pressure curve tha...
4 citations
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TL;DR: In this article, the interaction of a spherical shock wave with an elastic circular cylindrical shell immersed in an infinite acoustic medium is studied, where the wave source is quite close to the shell, causing deformation of a small portion of the shell.
Abstract: The paper studies the interaction of a spherical shock wave with an elastic circular cylindrical shell immersed in an infinite acoustic medium. The shell is assumed infinitely long. The wave source is quite close to the shell, causing deformation of just a small portion of the shell, which makes it possible to represent the solution by a double Fourier series. The method allows the exact determination of the hydrodynamic forces acting on the shell and analysis of its stress state. Some characteristic features of the stress state are described for different distances to the wave source. Formulas are proposed for establishing the safety conditions of the shell.
4 citations