The overall heat transfer coefficient of 15.0 wt % graphite modified polypropylene hollow fiber heat exchangers reached 1228.7 W/ (m2·K), which is 5 times higher than that of pure PP-based hollow Air-Cooled Heat Exchangers - an overview The heat capacity of gases is essential for some process engineering design, e.g., for air-cooled heat exchanger and for gas-phase chemical reactions. Here, in the latter case the heat capacities, C p 0, for gases are required to determine the heat necessary to bring the chemical compound increase to the reaction temperature.
About Us. Sunmo Heat Transfer Technology (Shanghai) Co., Ltd. is an expert company specialized in designing and manufacturing of heat exchangers and pressure vessels. We are capable of providing a range of products including air heaters, coolers, heat recovery units, air-cooled heat exchangers and pressure vessels for over 30 various industries such as nuclear power, malting, pulp & paper, tobacco, chemical fiber, Polymeric Hollow Fiber Heat Exchangers:An Alternative for Nov 09, 2004 · To overcome this constraint, polymeric hollow fiber heat exchangers (PHFHEs) are proposed as a new type of heat exchanger for lower temperature/pressure applications.
Sep 05, 2016 · Polymeric hollow fiber heat exchanger prototypes were prepared in the laboratory from polypropylene (PP) with thermal conductivity k = 0.18 W/m K by extrusion. This material is suitable to withstand operation temperatures up to 80 °C. These tiny fibers can withstand an inner pressure of 50 bar at room temperature without any damage. US4484938A - Total heat exchanger - Google PatentsA total heat exchanger for exchanging both heat and humidity is made, using partition plates of a laminate of a carbon-fiber-based paperlike material and a hydrophilic material, resulting in
2 Experimental details. Polymeric hollow fiber based heat exchangers (HEXs) were tested in calorimeter room of Visteon-Autopal (air velocities 110 m/s) and in calorimeter room of HeatLab (air velocities 0.22 m/s). Two pieces of HEX were tested:N1 was made of 0.6 mm fibres and N3 was made of 0.8 mm fibres.
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