Specific Features of Heatand Mass Transfer Processes in Road Dressings
Особенности процессов тепло- и массового переноса в дорожных одеждах
2018-12-11
SCID: 54.1/7qr7mvdt
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capillary pressures in road pavementsgeometric permeability characteristicsheat and mass transferopen heterogeneous thermodynamic systemsroad dressings
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Abstract (AI)
The paper presents a fragment of on-going investigations directed on creation of optimum data environment that ensures an access to world scientific journals and other publications which are necessary for qualitative implementation of works on priority directions of R&D in the field of road-construction industry in the period of 2016–2020. A citation analysis has been applied while using data of Journal Citation Reports for selection of world scientific serial publiccations which are necessary for execution of investigations on heat and mass transfer in road dressings. The road dressings are considered as open heterogeneous thermodynamic systems. Their deformations occur under various climatic conditions due to heat and mass transfer processes and interaction of transport flows and road surface. Crack formation takes place in depth of the road dressings and on road surfaces as a result of temperature, mass transfer processes. As it is known material structure of constructive layers especially which are created with the help of technogenic wastes (asphalt-concrete, concrete, reinforced concrete scrap and products of its recycling, brick rubble, various wastes of production etc.) influence on heat and mass transfer. The paper presents results of investigations on heat flows, boundary layers according to air viscosity, velocity of geometric permeability characteristics, capillary pressures in road pavements.
Key Findings
1
Citation analysis using Journal Citation Reports identified world scientific serial publications necessary for heat and mass transfer research in road dressings.
2
Investigations produced results on heat flows, air-viscosity-governed boundary layers, geometric permeability velocities, and capillary pressures in road pavements.
3
Material structure of constructive layers, especially those made from technogenic wastes (asphalt-concrete, concrete scrap, brick rubble, etc.), influences heat and mass transfer in pavements.
4
Road dressings are modeled as open heterogeneous thermodynamic systems whose deformations arise from heat and mass transfer plus interactions with transport flows and road surface.
5
Temperature and mass transfer processes cause crack formation both within the depth of road dressings and on road surfaces.
Research Object
Road dressings (road pavements) considered as open heterogeneous thermodynamic systems, including constructive layers made with technogenic wastes
Research Subject
Heat and mass transfer processes and their effects (heat flows, boundary layers, air-viscosity-related layers, geometric permeability, capillary pressures, deformation and crack formation) in road dressings under various climatic conditions and transport-surface interactions
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2018-12-11
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