Coupling resistance reduction test device of variable bionic structure
A test device and structure test technology, applied in the field of surface drag reduction, can solve cumbersome problems and achieve the effects of energy saving, simple and intuitive method, and low cost
Pending Publication Date: 2022-01-07
CHINA JILIANG UNIV
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Problems solved by technology
[0005] The invention aims at surface drag reduction of underwater navigation devices and solves the cumbersome problem of current hydrodynamic drag reduction tests, and provides a convenient and efficient coupling drag reduction test device with multiple test functions and a variable bionic structure
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[0036] The present invention will be described in detail below with reference to the accompanying drawings and preferred embodiments, and the purpose and effect of the present invention will become clearer. It should be understood that the specific embodiments described here are only used to explain the present invention and are not intended to limit the present invention.
[0037] to combine figure 1 and figure 2 , a coupling drag reduction test device with a variable bionic structure according to the present invention, comprising a mainstream supply mechanism 1, a two-phase jet flow supply mechanism 2, a first group of flow control mechanism 3, a second group of flow control mechanism 4, a bionic structure Test plate 5 and rectangular test pipe 6 .
[0038] The liquid outlet of the main flow supply mechanism 1 communicates with the liquid inlet of the first group of flow regulation mechanism 3, and the liquid outlet of the first group of flow regulation mechanism 3 is conn...
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The invention discloses a coupling resistance reduction test device of a variable bionic structure. The coupling resistance reduction test device comprises a mainstream supply mechanism, a two-phase jet flow supply mechanism, a first group of flow regulation and control mechanisms, a second group of flow regulation and control mechanisms, a bionic structure test board and a rectangular test pipeline; the main flow supply mechanism, the first group of flow regulation and control mechanisms and the rectangular test pipeline are communicated in sequence; the second group of flow regulation and control mechanisms, the bionic structure test plate and the rectangular test pipeline are communicated in sequence; the bionic structure test board comprises a bionic two-phase jet test board, a bionic groove test board and two moving devices; the bionic two-phase jet flow test board is connected with the bionic groove test board, the two sides of the bionic two-phase jet flow test board and the two sides of the bionic groove test board are each connected with one moving device; the moving devices move to drive jet flow holes in the bionic two-phase jet flow test board to deform and grooves in the bionic groove test board to deform, so that coupling resistance reduction is achieved. The size and the direction of two-phase jet flow, the shapes of pits, convex hulls and grooves and the optimal resistance reduction working conditions under different bionic structures can be easily changed.
Description
technical field [0001] The invention relates to the field of surface drag reduction, in particular to a coupling drag reduction test device with a variable bionic structure. Background technique [0002] With the increasing consumption of non-renewable energy and the gradual improvement of human awareness of environmental protection, energy conservation and low-carbon environmental protection have been paid more and more attention by people all over the world. The resistance of the aircraft mainly includes frictional resistance and shape resistance. According to theoretical analysis and experimental results, when the aircraft sails at a depth of more than one third of its body length from the water surface, its frictional resistance accounts for 60%-80% of the total resistance. By reducing the frictional resistance produced during the movement, it has a significant effect on improving the efficiency of ship transportation, saving energy, reducing greenhouse gas emissions, an...
Claims
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CPCG01M10/00
Inventor 何晨栋谷云庆牟介刚吴登昊周佩剑徐茂森杨雪龙张军军杨羽朋郑慧平
Owner CHINA JILIANG UNIV