Elliptical Finned Tube is an elliptical seamless tube as the base tube, which uses aluminum fin strips or copper fin strips to spirally and tightly wrap around the outer surface of the base tube under tension.Elliptical Finned Tube is a heat exchange element consisting of a base tube elliptical tube and outer fins.Common ones are Elliptical rectangular finned tubes.Because Elliptical Finned Tube has superior performance than round finned tube, Elliptical Finned Tube is receiving attention, and Elliptical Finned Tube has been widely used in ethylene, oil refining and other industrial fields. Elliptical Finned Tube is used in heat exchange equipment as a high-efficiency heat exchange element. The flow resistance outside the tube is small and the heat exchange efficiency is high, which makes the heat exchange equipment tend to be compact, lightweight, efficient and miniaturized.
The reflux zone and windward area is much smaller, reduce the hydromechanics on the air side, then reduce the energy consumption Inside the heat exchanger equipment, oval tube bundle is more compact than circular tube bundle, so the heat exchanger has smaller volume and is with lower cost.The fins are not sensitive to typical mechanical loads, for example hailstorm or walk on the bundles.The rectangular fins are with high strength, protecting the base tube from fracture in winter, prolonging the tube life-span.
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Tesla Global builds four super battery factories or is located in China
According to foreign media reports, at the TED2017 global seminar held in Vancouver this week, Tesla CEO Elon Musk revealed in an interview that in the future, Tesla will build four new super battery factories in the world. The specific location of the new factory will be announced sometime this year. Some analysts believe that one of the super battery factories is likely to be in China.
Tesla had previously mentioned this plan. Tesla will finalize the location of three new super battery factories this year in its recently released quarterly earnings report. Tesla currently has a super battery plant in Nevada, and has partnered with Panasonic to build the SOLARCITY solar panel plant in New York. Just this week, Musk once visited Beijing and met with Chinese Vice-Premier Wang Yang. Perhaps this is a precursor to Tesla’s super battery plant being settled in China.
In the middle of this month, it was reported that from a variety of sources, Tesla had plans to set up a wholly-owned factory in Guangdong. The current site has been selected and the project is waiting for approval from the relevant government departments. If the plan goes smoothly, Tesla will announce this plan this year, so that in addition to reducing tariffs, Tesla’s products in the future can enjoy the support of pure electric vehicles from all over the country, especially in Guangdong.
In response to this report, Tesla responded that "Tesla has been committed to the development of the Chinese market, but the rumor that we will build a factory in Guangdong is not true." Despite Tesla's response, but with Musk's When visiting Beijing, everything may turn for the better.