Supercharge Your Innovation With Domain-Expert AI Agents!

Flat plate wall fluid friction resistance mensuring device based on open circulation

A technology of fluid friction and measuring devices, which is applied in measuring devices, fluid dynamics tests, and testing of machine/structural components, etc. It can solve the problems of not measuring single-measurement wall resistance, large test model size, and difficult production, etc., to achieve measurement Reliable, easy to operate and control, convenient card installation effect

Inactive Publication Date: 2006-06-28
TSINGHUA UNIV
View PDF0 Cites 27 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

From the point of view of the test piece and function, the whole test piece is in the fluid. Although large water holes and drag pools can measure resistance, flow field, pressure, etc., the test models are generally large in size, difficult to manufacture, and costly. while some small-scale special devices use fluid as the research object, while others use the entire pipeline or a certain part of the pipeline as the research object
In terms of measurement methods of fluid resistance, there are direct measurement by multi-component balance, pressure drop measurement, and indirect calculation by flow velocity distribution; however, a single measurement of wall resistance is generally not measured

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
  • Flat plate wall fluid friction resistance mensuring device based on open circulation
  • Flat plate wall fluid friction resistance mensuring device based on open circulation

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0015] The flat wall fluid frictional resistance measurement device based on the open cycle proposed by the present invention has a structure such as figure 1 shown. It includes a pool 2, a buffer tank 6, a water flow pipeline and a load cell 14. The water inlet end of the buffer water tank 6 communicates with the pool 2 through the water pump 1 and the pipeline. The buffer water tank is provided with a partition 4, and the partition 4 is provided with a round hole. The water outlet of the buffer water tank 6 passes through the guide provided in the buffer water tank The flow pipe 9 communicates with the water flow pipeline, and the water flow pipeline communicates with the pool 2 through the elbow 13 . The water flow pipeline is composed of a variable diameter section 10, a development section 11 and an experimental section 12. The experimental section 12 has a rectangular cross-section, and the tested flat test piece 18 is placed in the experimental section 12 and becomes t...

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

No PUM Login to View More

Abstract

A measuring device of fluid frictional resistance on flat plate wall surface is prepared as connecting buffer water tank to water pool and to water flow pipe separately; connecting water flow pipe to water pool through elbow; forming water flow pipe by reducing section, developing section and testing section with rectangular cross ¿C section; placing flat plate to be measured in testing section and using flat plate as plate wall of testing section for carrying out frictional resistance test on wall surface.

Description

technical field [0001] The invention relates to an open cycle-based measuring device for fluid friction resistance on a flat wall surface, which is used for measuring fluid friction resistance on a flat wall surface at a flow rate of 0 to 15 m / s, and belongs to the technical field of hydrodynamic testing. Background technique [0002] In the occasions of fluid pipeline flow, hydraulic machinery, and underwater vehicles, the frictional resistance between the fluid and the solid wall is an important factor affecting energy consumption and work efficiency. The surface properties of solids, including geometrical and physicochemical properties, largely affect the solid-liquid interface friction. Carrying out research in this area is of great significance for saving energy, improving working conditions, and improving work efficiency. [0003] At present, the measurement of the resistance (including body resistance and frictional resistance, etc.) suffered by objects in flowing fl...

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
Inventor 周刚邵天敏陈大融
Owner TSINGHUA UNIV
Features
  • R&D
  • Intellectual Property
  • Life Sciences
  • Materials
  • Tech Scout
Why Patsnap Eureka
  • Unparalleled Data Quality
  • Higher Quality Content
  • 60% Fewer Hallucinations
Social media
Patsnap Eureka Blog
Learn More

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2025 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com