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Coriolis acceleration demonstration instrument and coriolis inertia force measuring method

A technology of Coriolis acceleration and demonstration instrument, which is applied in the field of Coriolis acceleration demonstration instrument to measure Coriolis inertial force, can solve the problem that the size of Coriolis inertial force cannot be calculated, and achieve the effect of overcoming measurement difficulties

Inactive Publication Date: 2014-09-03
UNIV OF SHANGHAI FOR SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The existing teaching tools used to demonstrate Coriolis acceleration can only prove the existence of Coriolis acceleration and indicate the direction of Coriolis acceleration, but cannot calculate the size of Coriolis inertial force to verify the Coriolis acceleration formula

Method used

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  • Coriolis acceleration demonstration instrument and coriolis inertia force measuring method
  • Coriolis acceleration demonstration instrument and coriolis inertia force measuring method
  • Coriolis acceleration demonstration instrument and coriolis inertia force measuring method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] figure 1 It is the structural block diagram of the Coriolis acceleration demonstrator.

[0023] Such as figure 1 As shown, the Coriolis acceleration demonstration instrument 10 includes a Coriolis acceleration demonstration component 11 , a Coriolis inertial force measurement component 12 , and a support component 13 .

[0024] figure 2 It is the structural diagram of the Coriolis acceleration demonstrator.

[0025] The Coriolis acceleration demonstration component 11 is used to demonstrate the Coriolis acceleration phenomenon. Such as figure 1 , 2 As shown, the Coriolis acceleration demonstration component 11 includes an inner cylinder 14 , a synchronous pulley 15 , a first motor 16 , and a second motor 17 .

[0026] The inner cylinder 14 opens downwards and is used to install the synchronous pulley 15 and serves as a reference frame when the synchronous pulley 15 rotates.

[0027] image 3 It is a schematic diagram of the structure of the synchronous pulley i...

Embodiment 2

[0044] Figure 5 is a schematic diagram of the distribution of Coriolis acceleration.

[0045] Such as Figure 5 As shown, the inner cylinder 14 rotates clockwise at a speed of n 1 rpm, the driving wheel 18 drives the driven wheel 19 and the belt 20 to rotate counterclockwise, and the speed is n 2 rpm. Assume that the radii of the driving pulley 18 and the driven pulley 19 are both r mm, the center distance is L mm, and the linear density of the belt 20 is λkg / mm.

[0046] Then the angular velocity of the inner cylinder 14 The angular velocity of driving wheel 18 and driven wheel 19 is Then the linear velocity of the belt 20 relative to the inner cylinder 14 v r = π rn 2 3 × 10 - 4 ( m / s ...

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Abstract

The invention provides a coriolis acceleration demonstration instrument used for demonstrating a coriolis acceleration phenomenon and calculating coriolis inertia force. The coriolis acceleration demonstration instrument is characterized by comprising a coriolis acceleration demonstration member used for demonstrating the coriolis acceleration phenomenon, a coriolis inertia force measuring member which is connected with the coriolis acceleration demonstration member and is used for measuring magnitude of the coriolis inertia force, and a supporting member used for mounting the coriolis acceleration demonstration member. According to the coriolis acceleration demonstration instrument and a coriolis inertia force measuring method, magnitude of the coriolis inertia force is indirectly measured through an equivalent substitution method, so a problem of difficulty in measuring the coriolis inertia force can be settled, and a coriolis acceleration calculation formula can be further verified.

Description

technical field [0001] The invention relates to a teaching tool, in particular to a Coriolis acceleration demonstrator capable of verifying the Coriolis acceleration formula and a method for measuring the Coriolis inertial force by using the Coriolis acceleration demonstrator. Background technique [0002] The Coriolis acceleration is the acceleration caused by the mutual coupling between the rotation of the moving reference system and the motion of the moving point relative to the moving reference system. Coriolis acceleration is an important knowledge point in theoretical mechanics, and it is also a difficult point for students to understand. Students are often at a loss when learning Coriolis acceleration, and teachers are also very difficult to teach. The root cause of this phenomenon lies in the abstract nature of Coriolis acceleration. Therefore, if the teacher can use teaching aids to demonstrate the phenomenon of Coriolis acceleration and calculate the size of the C...

Claims

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Application Information

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IPC IPC(8): G09B23/10G01L1/02
Inventor 皮彪苏传明刘月刘杰徐鑫雨朱坚民钱炜王新华
Owner UNIV OF SHANGHAI FOR SCI & TECH
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