Method of Calculation of Thermal Properties for Building Envelopes With Screen Insulation

Vytchikov, Yuri S.; Saparev, Mikhail E.

doi:10.17673/vestnik.2016.01.1

Cited by 3 publications

(3 citation statements)

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“…The results of Studies [1,4] show that thermal resistance of screened air-space insulation depend on its thickness to great extent. The authors of this paper studied the dependence of air-space insulation thickness on energy consumption for outer walls heating.…”

Section: Results Of Calculation Outer Walls Heating Time and Specificmentioning

confidence: 99%

“…These materials are protected by aluminum foil on one or both sides. Papers [1][2][3][4][5][6] prove that these insulation materials are effective, especially when combined with non-aerated air-space insulations. These papers describe the process of stationary heat transfer through building envelopes which are typical for buildings used in conditions of constant power heating.…”

Section: Introductionmentioning

confidence: 99%

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Analyzing screen heat insulation and its effect on energy consumption while heating building envelopes in conditions of intermittent heating

2016

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Absract. The paper is devoted to screen heat insulation and its effect on energy consumption while heating building envelopes in conditions of intermittent heating. It also describes the non-stationary process of heat transfer through heat insulated outer walls. The authors introduce calculation results of specific energy consumption for heating insulated and non-insulted outer walls. The paper proves that energy consumption for heating insulated outer walls depends on the thickness of non-aerated air-space insulation The research shows positive effects of using thermal protection systems with screen thermal insulation in outer building envelopes in conditions of intermitten heating.

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Section: Results Of Calculation Outer Walls Heating Time and Specificmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Analyzing screen heat insulation and its effect on energy consumption while heating building envelopes in conditions of intermittent heating

2016

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“…There are structures working under uneven heating which are used in construction, aviation and missile equipment as well as in a number of branches of mechanical engineering [1][2][3][4][5][6]. To describe their work, it is necessary to perform an in-depth analysis of non-stationary processes, without which it is impossible to understand the effect of temperature and mechanical stress fields.…”

Section: Introductionmentioning

confidence: 99%

Non-stationary axially symmetric goal of thermo-elasticity for a fixed rigid circular multi-layer plate

Shlyakhin

2017

MATEC Web Conf.

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Abstract. This paper considers axially symmetric goal of thermoselasticity for a fixed rigid circular multi-layer isotropic plate with nonstationary heat flows on its front faces. The mathematical model is presented in the form of a not self-adjoint system that includes differential motion equations and a linear equation of the thermal-elastic state in a three-dimensional model. A new closed solution in an unconnected setting is built by the method of finite integral transformation. At the same time, a standardization procedure is conducted at each stage of the solution, which allows to implement an appropriate conversion algorithm. The calculated ratios provide an opportunity to perform a qualitative and quantitative analysis of the associated temperature and mechanical fields and also to examine stress-strain behaviour of the multi-layer systems both under the local thermal shock, which is observed, for example, in the interaction with the laser beam and in the case of uneven unsteady surface heating, which is frequent during the operation of protective construction structures.

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Energy efficient three-layer panels and elastic compliance of their middle layer

Petrov

Alpatov

2017

MATEC Web Conf.

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Abstract. Three-layer panels are referred to light weight energy efficient building envelopes. According to current trends, mineral wool from basalt fiber is preferable to be used as panels middle layer. All three-layers of the construction together account for mechanical properties, though these layers taken separately have very different mechanical properties. The work of such a composite design has a number of features that require careful consideration when calculating the panels for strength. Thus, it has not yet been described how squeeze reduction of a relatively soft middle layer affects the load bearing capacity of a panel. When panels are exposed to external loads, their middle layer is squeezed thus changing the characteristics of the panel. This effect is particularly evident in supporting structures. Besides, squeeze reduction of the middle layer changes its elastic-plastic propeties. The purpose of this work is to study the effect of the middle layer of an energy efficient panel squeeze reduction on its load bearing capacity. When solving this task, the authors worked out a methodology which takes into account squeeze reduction of a middle layer and its effect on load bearing capacity of the panel. The researches introduced an algorithm for solving this task and created a tool that allows to easily receive the exact solution. The paper presents this methodology and describes a computer program for calculating three-layer panels with account of changing elastic compliance of a middle layer. The main result of the work is an extended methodology of calculation of the panels and an obtained engineering tool that allows to quickly obtain an extended solution.

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Method of Calculation of Thermal Properties for Building Envelopes With Screen Insulation

Cited by 3 publications

References 0 publications

Analyzing screen heat insulation and its effect on energy consumption while heating building envelopes in conditions of intermittent heating

Analyzing screen heat insulation and its effect on energy consumption while heating building envelopes in conditions of intermittent heating

Non-stationary axially symmetric goal of thermo-elasticity for a fixed rigid circular multi-layer plate

Energy efficient three-layer panels and elastic compliance of their middle layer

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