The moisture regime calculation of single-layer enclosing structures on the basis of the discrete-continuum method application

Gagarin, Vladimir G.; Akhmetov, Vadim; Zubarev, Kirill

doi:10.1088/1757-899x/456/1/012105

Cited by 13 publications

(2 citation statements)

References 16 publications

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“…Experimental sorption isotherms make it possible to determine the moistening of structural materials with sorption moisture, and can also be used to study the porous structure of materials [12]. These characteristics are successfully used to predict the properties of materials of enclosing structures during operation [13][14][15][16][17][18][19]. Obtaining experimental sorption isotherms at the current moment is associated with a number of ambiguities.…”

Section: Introductionmentioning

confidence: 99%

Study of the dependence of equilibrium sorption humidity of heat-insulating products on temperature

Petrov

Kupriyanov

2021

E3S Web Conf.

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The desiccator method for products like mineral wool has a low accuracy, which is due to the small mass of the samples and the uneven content of the binder between the samples. The standard method does not involve testing materials at different temperatures. However, the value of sorption moisture depends not only on the nature and structure of the material, but also on the temperature conditions. At the moment, the regularities of changes in the sorption moisture content of materials depending on the air temperature have been studied only in separate scientific works and do not cover the entire spectrum of modern building materials. The paper presents the results of a study of the sorption moisture content of modern mineral wool products at various temperatures above 0 ºС. The results show an increase in sorption humidity with decreasing temperature from 22 ºС to 0 ºС. The greatest increase in humidity occurs at values of relative air humidity in the range of 90–97 %. It is shown that the standard desiccator method for studying sorption moisture requires scientific development and increased control of test conditions with decreasing temperature.

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Section: Introductionmentioning

confidence: 99%

Study of the dependence of equilibrium sorption humidity of heat-insulating products on temperature

Petrov

Kupriyanov

2021

E3S Web Conf.

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“…Digital technologies and methods of mathematical modeling occupy a leading position in engineering practice and other fields of science and technology [1], [2], [3], [4], [5]. Also, mathematical modeling and medical engineering are widely used in medicine, in particular, in ophthalmology [6], [7], [8].…”

Section: Introductionmentioning

confidence: 99%

Ways of technical science development in ophthalmology

2020

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In recent years, in the study of diabetic retinopathy the methods of medical engineering and mathematical modeling with the forecast of the course of diseases and given pathogenetic biomarkers in the lacrimal fluid have been widely used. The theoretical aspects of the research are the developed mathematical criteria. The criteria are the mathematical formulas describing objective data of digital ophthalmological equipment and levels of pathogenetic biomarkers in lacrimal fluid and blood serum. The proposed approach allows to create a decision support sys-tem for predicting the development of diabetic retinopathy and diabetic macular edema. The practical application of the mathematical model is reflected in the developed computer program that enables the ophthalmologist to work with the patient’s data in automatic mode. The use of the program for the diagnosis and prognosis of a patient with diabetic retinopathy is demonstrated. The work on the proposed method gives the opportunity to reduce the time for assessing the patient’s condition and give a timely forecast of the course of the disease, which makes it possible to approach each patient in a personalized way.

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Determining the Coefficient of Mineral Wool Vapor Permeability in Vertical Position

Zubarev

Gagarin

2020

International Scientific Conference Energy Management of Municipal Facilities and Sustainable Energy Technologies EMMFT 2019

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The moisture regime calculation of single-layer enclosing structures on the basis of the discrete-continuum method application

Cited by 13 publications

References 16 publications

Study of the dependence of equilibrium sorption humidity of heat-insulating products on temperature

Study of the dependence of equilibrium sorption humidity of heat-insulating products on temperature

Ways of technical science development in ophthalmology

Determining the Coefficient of Mineral Wool Vapor Permeability in Vertical Position

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