Abstract
Syntactic foams are of interest to solve the problem of increase in the efficiency of heat supply equipment and pipelines heat insulation. The article analyses the efficiency of the use of various microspheres for syntactic foams when used for heat supply equipment and pipelines heat insulation. Moscow Power Engineering Institute has been conducting a large number of researches with the use of specific universal methods and the test stand which meets the modern requirements in order to determine the heat conductivity coefficient of various heat-insulating materials. These studies are designed to identify the impact of binding materials and microspheres properties over syntactic foams heat conductivity. The results of researches show that microspheres properties impact the heat-insulating characteristics of coatings.
Highlights
Specialists are of the opinion that practically all modern traditional heat-insulating materials are apt to quick ageing and destruction; their actual operating life is maximum ten years (Ivanov et al, 2010)
In order to solve the problem of increase in the efficiency of heat supply equipment and pipelines heat insulation, heat-insulating materials obtained with the use of hollow microspheres and various binding agents – the so-called syntactic foams – are of utmost interest (John & Reghunadhan, 2014)
Moscow Power Engineering Institute has conducted a large number of researches with the use of specific universal method and the test stand which meets the modern requirements in order to determine the heat conductivity coefficient of various heat-insulating materials
Summary
Specialists are of the opinion that practically all modern traditional heat-insulating materials are apt to quick ageing and destruction; their actual operating life is maximum ten years (Ivanov et al, 2010). There is an issue of efficiency of the use of a certain microsphere type as a part of syntactic foams for heat supply equipment and pipelines heat insulation. Moscow Power Engineering Institute has conducted a large number of researches with the use of specific universal method and the test stand which meets the modern requirements in order to determine the heat conductivity coefficient of various heat-insulating materials. These researches were designed to determine the impact of binding materials and microspheres characteristics over syntactic foam heat conductivity. The results of researches show that microspheres properties (size, concentration in syntactic foams, presence/ absence of a gaseous phase inside microspheres) have major impact over the heat-insulating characteristics of coatings (Ryzhenkov et al, 2010)
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