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By definition, different streamlines at the same instant in a flow do not intersect, because a fluid particle cannot have two different velocities at the same point. However, pathlines are allowed to intersect themselves or other pathlines (except the starting and end points of the different pathlines, which need to be distinct).
Like a streamline, a stream surface is used to visualize flows – three-dimensional flows in this case. Specifically, it is "the locus of an infinite set of such curves [streamlines], rooted at every point along a continuous originating line segment."
Many buses adopted a stylish streamline look in the 1930s [39] with tests showing that streamlined design reduced fuel costs. [40] Starting in 1934, Greyhound Lines worked with the Yellow Coach Manufacturing Company for its Series 700 buses, first for Series 719 prototypes in 1934, and from 1937 as the exclusive customer for Yellow's Series 743 ...
Orel VH2 Streamline, a French aircraft design; Streamline (swimming), the position a swimmer takes underwater after pushing off a pool wall; Streamline Moderne, an architectural style related to Art Deco; Operation Streamline, a program in the United States to prosecute illegal immigrants; Streamline, a brand of the United States Playing Card ...
Streamline form is a swimming technique that is used underwater in every stroke. At the start of a race or on a turn , streamline form is used, usually along with a dolphin kick or flutter kick, to create the least amount of resistance to help the swimmer propel as far as they can.
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Genomic streamlining is a theory in evolutionary biology and microbial ecology that suggests that there is a reproductive benefit to prokaryotes having a smaller genome size with less non-coding DNA and fewer non-essential genes.
Social Security is the U.S. government's biggest program; as of June 30, 2024, about 67.9 million people, or one in five Americans, collected Social Security benefits. This year, we're seeing a...