Unlock instant, AI-driven research and patent intelligence for your innovation.

Device for testing movement of solid matter in viscous non-Newtonian fluid and use method thereof

A non-Newtonian fluid and solid material technology, applied in the basic research field of viscous non-Newtonian fluid motion, can solve the problem of inability to perform real-time and visual monitoring, transparency limitation, and inability to observe the vertical displacement field and velocity field of internal solid matter, etc. question

Active Publication Date: 2016-08-10
HOHAI UNIV
View PDF5 Cites 7 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Purpose of the invention: In order to overcome the problems existing in the prior art that the vertical displacement field and velocity field of the internal solid matter cannot be observed due to the limitation of the length of the indoor water tank and the transparency of the test material, and real-time and visual monitoring cannot be performed, and to provide a It is a kind of visualization that can observe the motion characteristics of solid substances of different shapes and densities in viscous non-Newtonian fluids on a long-term scale, and can monitor the interaction between solid substances of different shapes and different masses in viscous non-Newtonian fluids in real time and the An experimental device for the motion of solid matter in viscous non-Newtonian fluids with long-term scale motion

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Device for testing movement of solid matter in viscous non-Newtonian fluid and use method thereof
  • Device for testing movement of solid matter in viscous non-Newtonian fluid and use method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Example 1: Experimental research on the long-term accumulation law of snow blocks in different mountain slopes on avalanche landslides

[0029] Test 1: First, prefabricate the model tank 1, using transparent tempered glass as the material, the side shape of the model tank 1 is trapezoidal, the lower part is sealed, the upper part is open, the width is 20cm, the length of the lower bottom surface is 130cm, and the length of the upper bottom surface is 180cm. The height of the short side is 30cm, the wall thickness is 2cm, and based on the shape and size of the model tank 1, combined with the actual scaling of solid matter in non-Newtonian fluids such as viscous debris flow, the prefabricated density is 890kg / m 3, spherical particles with a diameter of 6 mm are used as transparent glass particles 4 to simulate solid material, and then the test material of prefabricated viscous non-Newtonian fluid is selected from polyester vinyl with a concentration of 2.0%, and the prefab...

Embodiment 2

[0032] Example 2: Experimental simulation on the movement characteristics of broken branches of viscous debris flow under different mountain slopes

[0033] Test 1: First, prefabricate the model tank 1, using transparent tempered glass as the material, the side shape of the model tank 1 is trapezoidal, the lower part is sealed, the upper part is open, the width is 20cm, the length of the lower bottom surface is 130cm, and the length of the upper bottom surface is 180cm. The height of the short side is 30cm, the wall thickness is 2cm, and based on the shape and size of the model tank 1, combined with the actual scaling of solid matter in non-Newtonian fluids such as viscous debris flow, the prefabricated density is 1200kg / m 3 , the cylindrical particles with a height of 40 mm and a bottom diameter of 2 mm are used as transparent glass particles 4 to simulate solid matter materials, and then the test material of viscous non-Newtonian fluid prefabricated by polyester vinyl with a ...

Embodiment 3

[0035] Example 3: Experimental Research on Long-term Scale Motion Characteristics of Solid Particles in Viscous Debris Flows

[0036] Test 1: First, prefabricate the model tank 1, using transparent tempered glass as the material, the side shape of the model tank 1 is trapezoidal, the lower part is sealed, the upper part is open, the width is 20cm, the length of the lower bottom surface is 130cm, and the length of the upper bottom surface is 180cm. The height of the short side is 30cm, the wall thickness is 2cm, and based on the shape and size of the model tank 1, combined with the actual scaling of solid matter in non-Newtonian fluids such as viscous debris flow, the prefabricated density is 1200kg / m 3 , the cylindrical particles with a height of 40 mm and a bottom diameter of 2 mm are used as transparent glass particles 4 to simulate solid matter materials, and then the test material of viscous non-Newtonian fluid prefabricated by polyester vinyl with a concentration of 1.0% i...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

PropertyMeasurementUnit
Heightaaaaaaaaaa
Heightaaaaaaaaaa
Lengthaaaaaaaaaa
Login to View More

Abstract

The invention discloses a device for testing movement of a solid matter in a viscous non-Newtonian fluid. The device comprises a model tank which is provided with a fluid inlet and a fluid outlet, wherein the fluid inlet and the fluid outlet are both connected with a water tank which is filled with a viscous non-Newtonian fluid test material; the model tank is made from transparent material; one end, close to the fluid inlet, of the model tank bottom is provided with a long support; one end, close to the fluid outlet, of the model tank bottom is provided with a short support; the long support is provided with a lifting valve which can adjust the length of the long support; the bottom inside the model tank is provided with a conveyer belt. By means of the device and method, for the viscous non-Newtonian fluid flowing process, solid matter movement can be monitored visibly in full-section; the problem that the vertical displacement field and velocity field of solid matters cannot be observed for a long time due to the limitation of length and test material transparency of conventional indoor water tank test devices is solved.

Description

technical field [0001] The invention relates to the field of basic research on the motion of viscous non-Newtonian fluids, in particular to a test device for the motion of solid matter in viscous non-Newtonian fluids and a method for using the same. It is mainly applicable to technical fields such as simulation tests of the movement laws of rolling stones, branches and other solid substances contained in fluids such as volcanic ash, viscous debris flow, and avalanche, and can be extended to the research field of two-phase flow of other non-Newtonian fluids and solids. Background technique [0002] In the field of fluid mechanics research, the movement characteristics of solid matter in viscous non-Newtonian fluids such as viscous debris flows, volcanic ash, and avalanches are the research on the accumulation process of natural disasters such as viscous debris flows, the basic research of non-Newtonian fluid mechanics, and the construction design of urban disaster prevention a...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
IPC IPC(8): G01M10/00
CPCG01M10/00
Inventor 孟珍珠孔纲强孙学谨李春红
Owner HOHAI UNIV