Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Gentle slope channel flow measurement method
The invention relates to the technical field of channel water measuring, in particular to a flow measuring method for a gentle slope channel, which comprises the following steps of: 1, designing a rectification section at the downstream of a water measuring weir groove of the gentle slope channel provided with the water measuring weir groove, and carrying out surface roughness reduction treatment on the channel surface of the rectification section; and 2, after the surface roughness is reduced, the submerging degree of the water measuring weir groove of the gentle slope channel is reduced, and the channel flow of the gentle slope channel is calculated according to a water measuring formula. According to the method, a treatment mode of reducing the surface roughness of the channel surface of the rectification section is adopted, the upstream and downstream submerging degree of the measuring weir groove is improved, and the measuring weir groove can accurately calculate the channel flow through a flow measuring formula under the high submerging degree; the problems that the flood degree of a measuring weir groove is too high and flow cannot be accurately measured due to the fact that the slope of a channel is too slow can be effectively solved. The method is easy and convenient to implement, easy to operate, low in manufacturing cost, high in applicability and convenient to popularize and use, and materials are easy to obtain.
本发明涉及渠道量水技术领域，是一种缓坡渠道测流方法，按照下述步骤进行：第一步，在设置有量水堰槽的缓坡渠道的量水堰槽下游设计整流段，对整流段的渠道表面进行降低表面糙率的处理；第二步，经降低表面糙率的处理后，缓坡渠道量水堰槽的淹没度降低，缓坡渠道按照量水公式计算得到渠道流量。本发明采用对整流段的渠道表面进行降低表面糙率的处理方式，改善了量水堰槽上下游淹没度，使量水堰槽在高淹没度下也可利用测流公式，对渠道流量进行精确的计算；可有效解决因渠道坡度过缓，造成量水堰槽淹没度过高，无法精确测流的难题。本发明方法实施简便，材料易得，操作简单造价低，适用性强，便于推广使用。
Gentle slope channel flow measurement method
The invention relates to the technical field of channel water measuring, in particular to a flow measuring method for a gentle slope channel, which comprises the following steps of: 1, designing a rectification section at the downstream of a water measuring weir groove of the gentle slope channel provided with the water measuring weir groove, and carrying out surface roughness reduction treatment on the channel surface of the rectification section; and 2, after the surface roughness is reduced, the submerging degree of the water measuring weir groove of the gentle slope channel is reduced, and the channel flow of the gentle slope channel is calculated according to a water measuring formula. According to the method, a treatment mode of reducing the surface roughness of the channel surface of the rectification section is adopted, the upstream and downstream submerging degree of the measuring weir groove is improved, and the measuring weir groove can accurately calculate the channel flow through a flow measuring formula under the high submerging degree; the problems that the flood degree of a measuring weir groove is too high and flow cannot be accurately measured due to the fact that the slope of a channel is too slow can be effectively solved. The method is easy and convenient to implement, easy to operate, low in manufacturing cost, high in applicability and convenient to popularize and use, and materials are easy to obtain.
本发明涉及渠道量水技术领域，是一种缓坡渠道测流方法，按照下述步骤进行：第一步，在设置有量水堰槽的缓坡渠道的量水堰槽下游设计整流段，对整流段的渠道表面进行降低表面糙率的处理；第二步，经降低表面糙率的处理后，缓坡渠道量水堰槽的淹没度降低，缓坡渠道按照量水公式计算得到渠道流量。本发明采用对整流段的渠道表面进行降低表面糙率的处理方式，改善了量水堰槽上下游淹没度，使量水堰槽在高淹没度下也可利用测流公式，对渠道流量进行精确的计算；可有效解决因渠道坡度过缓，造成量水堰槽淹没度过高，无法精确测流的难题。本发明方法实施简便，材料易得，操作简单造价低，适用性强，便于推广使用。
Gentle slope channel flow measurement method
缓坡渠道测流方法
FAN SHIFENG (Autor:in) / WANG XIN (Autor:in) / YU JINGJING (Autor:in) / FAN ZIQIAN (Autor:in) / YAN XIANGDONG (Autor:in)
29.07.2022
Patent
Elektronische Ressource
Chinesisch
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