Apparatus and method for measuring elastic moduli of living blue shark pectoral fins
A technology of elastic modulus and measuring device, which is applied in the direction of applying stable tension/pressure to test the strength of materials, can solve the problems that cannot be fully simulated, and achieve the effect of ingenious design and simple structure
Active Publication Date: 2016-04-20
SHANGHAI OCEAN UNIV
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Problems solved by technology
The efficient movement mode of the blue shark is inseparable from its overall body structure and functional modules, and it is currently impossible to fully simulate it from the perspective of bionics
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[0027] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific embodiments.
[0028] see figure 1 , figure 2 , image 3 and Figure 5 , the measuring device of a kind of live blue shark pectoral fin elastic modulus of the present invention, it mainly comprises the fixture 3 systems that are used for fixing and clamping blue shark and the measuring system for measuring blue shark pectoral fin elastic modulus.
[0029] Described clamp 3 system comprises workbench 1, is provided with chute 2 on described workbench 1, and some clamps 3 that can move along described chute 2 are installed on chute 2, on one of described workbench 1 Side is provided with water tank 4, and water tank 17, water pump 5 and water pipe 6 are installed in described water tank 4, and described water pump 5 communicates with water pipe 6, and the two ...
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The invention discloses an apparatus and method for measuring elastic moduli of living blue shark pectoral fins. The apparatus comprises the a clamping system for fixing and clamping a blue shark and a measuring system for measuring elastic moduli of blue shark pectoral fins. The method comprises the following steps: (1) water in a water channel is introduced into a water tank by a water pipe till water level of the water tank reaches an opening position of the water tank; (2) the blue shark to be measured is fixed on a working bench by a clamp, the clamp is moved, so that the head of the blue shark enters the water tank by an opening; 3) a liquid level sensor is started for detecting water level in the water tank, if the water level detected by the sensor is lower than a set minimum value, the liquid level sensor controls a water pump to start, and the water pump injects water into the water tank continuously; if the water level detected by the sensor is higher than a set maximum value, the liquid level sensor controls the water pump to close; 4) several measuring points are selected on the blue shark pectoral fins, and related data are measured; 5) elastic moduli of blue shark pectoral fins are calculated according to a formula.
Description
technical field [0001] The invention relates to the field of measuring the physical properties of flexible materials, in particular to a measuring device and method for the elastic modulus of the pectoral fin of a living blue shark. Background technique [0002] There are many forms of energy such as ocean currents in the ocean. After millions of years of evolution, various marine fish have the functional structure to adapt to this environment. Sharks represented by blue sharks have survived on the earth for hundreds of millions of years. It has the characteristics of stable swimming posture, high efficiency and long cruising distance. At present, human research on underwater navigation equipment has entered a new stage. Autonomous underwater vehicles (AUV) have obtained many applications in underwater detection and other fields, and are at the forefront of competition among marine powers. One of the shortcomings of AUVs at present is that the energy consumption efficiency ...
Claims
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Login to View More IPC IPC(8): G01N3/14
CPCG01N3/14
Inventor 胡庆松刘习武程文平刘畅王曼韩挚阳
Owner SHANGHAI OCEAN UNIV