Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

A solution method for open channel water delivery channel under ice sheet and its optimal hydraulic section

An optimal cross-section and ice sheet technology, applied in design optimization/simulation, instrumentation, geometric CAD, etc., can solve problems such as reducing water passing capacity, increasing wetness and resistance, etc.

Active Publication Date: 2019-09-27
UNIV OF JINAN
View PDF2 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in actual winter, the water surface freezes when water is transported during the glacial period. The existence of the ice cover increases the wetted area and resistance, which reduces the water passing capacity. not optimal section

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
  • A solution method for open channel water delivery channel under ice sheet and its optimal hydraulic section
  • A solution method for open channel water delivery channel under ice sheet and its optimal hydraulic section
  • A solution method for open channel water delivery channel under ice sheet and its optimal hydraulic section

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0071] In order to clearly illustrate the technical features of this solution, the present invention will be described in detail below through specific implementation modes and in conjunction with the accompanying drawings. The following disclosure provides many different embodiments or examples for implementing different structures of the present invention. To simplify the disclosure of the present invention, components and arrangements of specific examples are described below. Furthermore, the present invention may repeat reference numerals and / or letters in different instances. This repetition is for the purpose of simplicity and clarity and does not in itself indicate a relationship between the various embodiments and / or arrangements discussed. It should be noted that components illustrated in the figures are not necessarily drawn to scale. Descriptions of well-known components and processing techniques and processes are omitted herein to avoid unnecessarily limiting the...

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

An under ice open channel water conveyance canal and optimized hydraulic cross section solution method, wherein, the water conveyance canal includes a canal bottom, a canal left hill, a canal right hill, a left embankment top and a right embankment top, the left and right two sides of the canal bottom are respectively connected with the lower ends of the canal left hill and the canal right hill, the top end of the canal left hill is connected with the left embankment top, the top end of the canal right hill is connected with the right embankment top; the cross section of the under ice open channel water conveyance canal is a trapezoid cross section, the breadth depth ratio of the optimized hydraulic cross section, when the average velocity of flow of the stream velocity at the domain of influence of an upper layer ice cover and the average velocity of flow of the stream velocity at the domain of influence of a lower layer canal bed, are the same, is (the equation described in the application), are different, is (the equation described in the application), the optimized hydraulic cross section solution method first establishes a problem model, then solves for the differential equation of a optimized cross section of the under ice open channel water conveyance canal, and finally calculates the breadth depth ratio of the optimized hydraulic cross section of the under ice open channel water conveyance canal. The water conveyance canal is a narrow and deep type canal, can have the largest overcurrent capability at ice stage water conveyance, can utilize the geothermal energy, reduces the heat dispersibility on ice surface, and avoids the occurrence of ice blockage and ice dam accidents.

Description

technical field [0001] The invention relates to a water delivery channel, in particular to an open channel water delivery channel under an ice cover and a method for solving the optimal hydraulic section thereof, and belongs to the technical field of planning and design of water delivery channels in irrigation areas. Background technique [0002] The optimal hydraulic section refers to the section that maximizes the flow of open channel water delivery under a certain area (or minimizes the cross-sectional area of ​​water delivery under a certain flow rate). The optimal hydraulic section is widely used in engineering practice. The well-known optimal hydraulic section (also known as the optimal hydraulic section) is the optimal hydraulic section obtained based on the free water surface (no ice cover), and its optimal width-to-depth ratio is (where b is the width of the canal bottom, h is the water depth, and m is the slope coefficient). The optimum width-to-depth ratio of t...

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
Patent Type & Authority Patents(China)
IPC IPC(8): G06F17/50
CPCG06F30/13G06F30/20
Inventor 韩延成
Owner UNIV OF JINAN
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

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

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com