BorgWarner recently announced its second-quarter earnings report. The company's revenue last quarter continued its decline in the first quarter, and operating profit and net profit also began to fall. In the second quarter of 2015, BorgWarner’s operating income was US$2.032 billion, compared with US$2.197 billion in the same period of last year, a year-on-year decrease of 7.5%; operating profit decreased from US$281 million in the same period of last year to US$243 million, a year-on-year decrease of 13.5%; Profit was US$157 million, compared with US$200 million in the same period of last year, which dropped by 21.5% year-on-year. James R. Verrier, president and CEO of BorgWarner, said that the second-quarter growth was mainly influenced by the unfavorable distribution of light vehicles in the North American market, the slowdown in China's light vehicle production growth, and the weakness of the global commercial vehicle market. In the first half of this year, BorgWarner’s cumulative operating income was US$4.016 billion, a decrease of 6.2% from US$4.281 billion in the same period of last year. Operating profit decreased by 2.3% from the same period last year to US$502 million, compared to US$514 million in the same period of last year. Net profit also fell, from 367 million U.S. dollars in the first half of last year to 345 million U.S. dollars, a year-on-year drop of 6.0%. Among all business units, the engine business contributed US$1.413 billion in operating revenue to BorgWarner in the last quarter, down 5.7% year-on-year; the powertrain business revenue was US$626 million, a decrease of 11.7% year-on-year. Based on the performance in the second quarter, BorgWarner once again adjusted its annual performance targets. The operating income target thus fell by 5% from the same period of last year to 5.5%.
U-tube refers to a heat exchange tube shaped like a U, which is an important part of a U Type heat exchanger. Advantages of U-shaped tube: The U-shaped tube heat exchanger has only one tube plate, both ends of the tube are fixed on the same tube plate, the tube can be stretched freely, no thermal stress, and the thermal compensation performance is good; the tube side adopts double tube side, The process is longer, the flow rate is higher, the heat transfer performance is better, and the pressure bearing capacity is strong. The tube bundle can be drawn out from the shell, which is convenient for maintenance and cleaning, and the structure is simple and the cost is cheap. The disadvantage of the U-shaped tube is that due to the limitation of the radius of curvature of the bend tube, the arrangement of the heat exchange tubes is less, the innermost tube spacing of the tube bundle is relatively large, the utilization rate of the Tube Sheet is low, and the shell-side fluid is easy to form a short circuit, which is harmful to the transmission. When the tubes are leaked and damaged, only the U-shaped tubes at the periphery of the tube bundle are easy to replace. If the inner heat exchange tube is damaged, it cannot be replaced, but can only be blocked. Moreover, one damaged U-shaped tube is equivalent to two damaged tubes, and the scrap rate is relatively high.
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