Dimensiones Parshall MEDIDOR PARSHALL ( W = 1" - 50' )Ing. Jorge
Linares EscobarDIMENSIONAMIENTO:Ha2/3 AWDCAHMBFGTransicin
entradaConvergenteGargantaDivergentePcHaHbYarriba4Yabajo1NKXX = Yab
- Hb(Desnivel topogrfico entre la cresta y el canal de salida)Ancho
de garganta: WCaudal
(m3/seg)Wpulg.cm.AaBCDEFGHKMNPRxyQmaxQminCUADRO PARA
DIMENSIONAMIENTO
(cms)1"12.536.324.235.69.316.722.97.620.320.61.92.90.81.30.0050.0002"25.141.427.640.613.521.425.411.425.425.82.24.31.62.50.0130.0003"37.646.731.145.817.825.945.715.230.530.92.530.55.776.840.62.53.80.0320.0016"615.262.141.460.939.439.761.030.561.061.97.630.511.490.240.65.17.60.1110.0029"922.987.958.686.250.057.576.230.576.277.37.630.511.4108.040.65.17.60.2510.00311230.5137.291.4134.561.084.591.461.091.492.77.638.122.9149.250.85.17.60.4570.0031.51845.7144.896.5142.076.2102.691.461.091.492.77.638.122.9167.650.85.17.60.6950.00522461.0152.4101.6149.491.4120.691.461.091.492.77.638.122.9185.450.85.17.60.9370.01233691.4167.6111.8164.4121.9157.291.461.091.492.77.638.122.9222.250.85.17.61.4270.018448121.9182.9121.9179.3152.4193.791.461.091.492.77.645.722.9271.161.05.17.61.9230.036560152.4198.1132.1194.3182.9230.291.461.091.492.77.645.722.9308.061.05.17.62.4240.044672182.9213.4142.2209.2213.4266.791.461.091.492.77.645.722.9344.261.05.17.62.9290.074784213.4228.6152.4224.2243.8303.291.461.091.492.77.645.722.9381.061.05.17.63.4380.086896243.8243.8162.6239.1274.3339.791.461.091.492.77.645.722.9417.261.05.17.63.9490.09710120304.8274.3182.9269.0365.8475.6121.991.4182.9185.515.234.330.522.98.2800.16012144365.8304.8203.2298.9447.0560.7152.491.4243.8247.215.234.330.522.914.6800.19015180457.2350.5233.7343.7558.8762.0182.9121.9304.8309.122.945.730.522.925.0400.23020240609.6426.7284.5418.4731.5914.4213.4182.9365.8370.930.568.630.522.937.9700.31025300762.0502.9335.3493.2894.11,066.8213.4182.9396.2401.730.568.630.522.947.1400.38030360914.4579.1386.1567.91,056.61,231.3213.4182.9426.7432.730.568.630.522.956.3300.460404801,219.2731.5487.7717.31,381.81,548.1213.4182.9487.7494.530.568.630.522.974.7000.600506001,524.0883.9589.3866.81,727.21,852.9213.4182.9609.6618.130.568.630.522.993.0400.750
&LElaborado Ing. Jorge Linares E.MINISTERIO DE
AGRICULTURA:
Parshall (W = 2') TGMEDIDOR PARSHALL (W = 2)( Flujo Libre)CANAL
TG 10.4 - 6.9 LA UNIVERSIDADDatoDatos del Canal Aguas
arribaRespuestaQ (m3/s)b (m)zS (m/m)nY (m)T (m)V (m/s)E1
(m)0.6000.501.0000.002500.0150.4701.4401.3200.559Datos del Canal
Aguas AbajoQ (m3/s)b (m)zS (m/m)nY (m)T (m)V (m/s)E5
(m)0.6000.501.0000.002500.0150.4701.4401.3200.559Eleccin Ancho de
Gargantab/3b/2Asumido :Canal Rectangular W = 1/3 a 1/2 b
=====>0.480.72W =0.610Canal trapezoidal W = 2/3 T
========>0.96Tabla de ParshallW en pies=20.610mCondiciones de
SumergenciaFlujo LibreS = Ha / Hb =< 70%S =0.70Formula de
Calibracin1.550Q =1.430HaDeterminacin de Ha:Tirante Crtico:Ha
=0.57mY critico =0.46mY crit = (Q/bg)^(1/3)Hb =0.40mPerdida de
Carga :Pc =0.137mAltura de Cresta sobre el fondoX
=0.077mVerificacin del nuevo tirante aguas arriba del Parshall Y
arriba =0.607mDimensin Normalizada del Aforador Parshall (segn
Tablas)WA2/3 ABCDEFM inicialG
finalN0.611.5241.0161.4940.9141.2060.9140.610.380.9140.2297.62Ver
hoja 1Calculo de transicionesRecomendadas:Entrada LteM
=0.484asumido=2.50mSalida LtsG =1.088asumido=2.50mHa2/3
AWDCAHMBFGTransicin
entradaConvergenteGargantaDivergente0.381.4940.610.9143.40PcHaHb18.386Y
arr4Yab1N3"X-0.0608(Dato)19.156Ancho GargantaW =2pies
=0.610m18.92619.079Q :
Dato18.937QHa0.373(m3/s)(m)1.000.790.900.740.800.690.700.630.600.570.00597192170.500.510.04777537380.400.440.6190.300.370.200.280.100.18
