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ETFE (Ethylene Tetra Fluoro Ethylene) is a lightweight polymer that is gradually gaining favor as an aesthetically pleasing building material, most commonly used by layering the foils to form ‘pillows’. Widespread use of this material, however, is hindered by its poor thermal insulation properties. The heat transmission properties of ETFE can be altered by adding a thin coating of low-emissivity material...
Cold warehouses are relatively high energy consuming systems, and their construction are growing. In the design of these buildings, the choice of the insulation thickness is an important factor that affects the owning and operating costs. In practice, it is common to use heat flux density values or R-values given in the technical literatures. These values seem to neglect the possible effects of parameters...
This paper outlines the solutions for the energy efficient futuristic buildings. The implementation of latest technology in architecture and constructions will lead to better home with green standards. Buildings, accounting for 30-40 percent of global energy use, are known to be energy guzzlers. In India, buildings account for 30 percent of total energy consumption. The idea of green buildings promotes...
This work studies heat transfer in a cryogenic tank, in order to estimate the heat infiltration rate as well as the required thermal insulation thickness needed to fulfill the boil off ratio. It addresses some general recommendation about thermal insulation thickness. Design calculations to actually get thermal insulation thickness are presented in another paper. The present research work establishes...
Applying electrical heat tracing to pipelines can dramatically increase the reliability and efficiency of such pipelines. As a matter of fact over the years, electrical heat tracing has played an important role in the enhancement of flow assurance of oil pipelines. In most cases, the application of heat is on the outer surface of the pipeline, taking advantage of the efficient conductivity characteristics...
Heated instrument tubing is common throughout industry and is most often used for winterization. It is also common for tubing to be maintained at high temperatures for viscous processes or to keep gas samples above dew point and prevent condensation. In many cases the tubing is field routed, electrical heat tracing is then installed, followed by the insulation and weather barrier. Alternatively, pre-insulated...
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