RU2006123303A - METHOD FOR DETERMINING THE DIFFERENCE LEVELS AND FLOWS OF WATER ON AN OPEN WATER WITH A PRISMATIC BED BY THE SLOPE-SQUARE METHOD - Google Patents

METHOD FOR DETERMINING THE DIFFERENCE LEVELS AND FLOWS OF WATER ON AN OPEN WATER WITH A PRISMATIC BED BY THE SLOPE-SQUARE METHOD Download PDF

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RU2006123303A
RU2006123303A RU2006123303/28A RU2006123303A RU2006123303A RU 2006123303 A RU2006123303 A RU 2006123303A RU 2006123303/28 A RU2006123303/28 A RU 2006123303/28A RU 2006123303 A RU2006123303 A RU 2006123303A RU 2006123303 A RU2006123303 A RU 2006123303A
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Russia
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water
channel
slope
difference
sections
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RU2006123303/28A
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Russian (ru)
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RU2327114C2 (en
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Александр Евгеньевич Ивахненко (RU)
Александр Евгеньевич Ивахненко
Виктор Терентьевич Клишин (RU)
Виктор Терентьевич Клишин
Михаил Александрович Варичев (RU)
Михаил Александрович Варичев
Сергей Николаевич Смирнов (RU)
Сергей Николаевич Смирнов
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Федеральное государственное научное учреждение "Российский научно-исследовательский институт проблем мелиорации" (RU)
Федеральное государственное научное учреждение "Российский научно-исследовательский институт проблем мелиорации"
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Способ определения расхода воды на открытом водотоке с призматическим руслом, включающий измерение глубины в двух створах канала с последующим вычислением расхода по разности глубин в этих створах при известных параметрах канала, отличающийся тем, что измерение перепада уровней производят с помощью одного уровнемера, расположенного в уровнемерном колодце, глубину в верхнем гидрометрическом створе вычисляют по выражению h1=h2+Δh-i0lств, а расход Q вычисляют по формулеA method for determining water flow in an open watercourse with a prismatic channel, including measuring depth in two sections of the channel, followed by calculating the flow rate by the difference in depths in these sections with known channel parameters, characterized in that the level difference is measured using one level gauge located in the level gauge well , the depth in the upper gauge is calculated by the expression h 1 = h 2 + Δh-i 0 l st , and the flow rate Q is calculated by the formula
Figure 00000001
Figure 00000001
 где Q - расход, м3/с;where Q is the flow rate, m 3 / s; Δh - измеряемый перепад уровней воды между верхним и нижним гидрометрическими створами, м;Δh is the measured difference in water levels between the upper and lower hydrometric gauges, m; k - некоторое число, определяющее шаг интегрирования;k is a certain number that determines the step of integration; α - коэффициент скорости, равный 1,1;α is the velocity coefficient equal to 1.1; В - ширина канала по свободной поверхности воды, м;B is the width of the channel along the free surface of the water, m; g - ускорение свободного падения, м/с2;g is the acceleration of gravity, m / s 2 ; ω - площадь живого сечения потока в нижнем створе, м2;ω - living cross-sectional area of the stream in the lower section, m 2 ; lств - расстояние между створами, м;l stem - the distance between the sections, m; i0 - уклон дна канала;i 0 - the slope of the bottom of the channel; С - коэффициент Шези в нижнем створе, м0,5 с;C - Shezy coefficient in the lower section, m 0.5 s; R - гидравлический радиус в нижнем створе, м.R is the hydraulic radius in the lower alignment, m
RU2006123303/28A 2006-06-29 2006-06-29 Method of determination of levels difference and flow rate of water on open current with prismatic riverbed by method of incline-area RU2327114C2 (en)

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RU2490605C1 (en) * 2012-02-07 2013-08-20 Голубенко Вадим Михайлович Device to measure water level in watercourses of mountain-piedmont area
RU2572068C1 (en) * 2014-07-10 2015-12-27 Федеральное государственное бюджетное научное учреждение "Российский научно-исследовательский институт проблем мелиорации" Method to detect water flow rate in open canals of irrigation systems according to slope-area method

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