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["Расчет гидравлических потерь напора "]
["на узлах установки расходомеров"]
{"$rows_empty":11}
[null," "]
[]
["Расчеты выполняются на основании документа \"Методика гидравлического расчета"]
["конфузорно-диффузорных переходов\". ВИСИ, Санкт-Петербург, 1996г."]
["Наименование",null,null,null,"Обозна-\nчение","Размер-\nность","Трубопроводы"]
[{"$nulls":6},"1-й","2-й","3-й","4-й"]
["Исходные параметры"]
["Диаметр трубопровода перед конфузором",null,null,null,"D1","мм",150,1000,1000,1000]
["Диаметр трубопровода после диффузора",null,null,null,"D2","мм",150,1000,1000,1000]
["Диаметр сужения",null,null,null,"Dy","мм",50,600,600,600]
["Длина сужения",null,null,null,"L","мм",500,1000,1000,1000]
["Угол раскрытия конфузора и диффузора",null,null,null,"a","град.",20,20,20,20]
["Массовый расход воды",null,null,null,"G","т/ч",40,5000,5000,5000]
["Температура воды",null,null,null,"t","°С",100,10,10,10]
["Рабочее (избыточное) давление воды",null,null,null,"Pи","кгс/см2",6,6,6,6]
["Эквивалентная шероховатость трубопр.",null,null,null,"d","мм",0.5,0.5,0.2,0.1]
["Расчетные параметры"]
["Объемный расход воды",null,null,null,"Q","м3/ч",41.72605557889532,5000.349886443892,5000.349886443892,5000.349886443892]
["Скорость воды в сужении",null,null,null,"v","м/с",5.90302933431853,4.912533343311993,4.912533343311993,4.912533343311993]
["Плотность воды",null,null,null,"r","кг/м3",958.6336269999999,999.9300276077,999.9300276077,999.9300276077]
["Кинематическая вязкость воды",null,null,null,"n","м2/с",2.7051671732522795e-07,1.309690236185711e-06,1.309690236185711e-06,1.309690236185711e-06]
["Число Рейнольдса",null,null,null,"Re",null,1091065.5342644923,2250547.4382793247,2250547.4382793247,2250547.4382793247]
["Коэффициент гидравлического трения",null,null,null,"l",null,0.03483912698564819,0.01885664093946497,0.015189140034739522,0.013029985522679113]
["Коэффициент сопротивления конфузора",null,null,null,"xk",null,0.054330785901538434,0.036895406703541994,0.03459751850341654,0.03324469111375767]
["Коффициент нерав. поля скоростей ",null,null,null,"kд",null,1.4199157991112985,1.3444508387993357,1.3444508387993357,1.3444508387993357]
["Коэффициент сопротивления расширения",null,null,null,"xрасш",null,0.4102097595761333,0.20135078008865506,0.20135078008865506,0.20135078008865506]
["Коэффициент сопротивления трения",null,null,null,"xтр",null,0.02476920199301774,0.011814708117173044,0.009516819917047585,0.008163992527388718]
["Потери напора в конфузоре",null,null,null,"hk","м в. ст.",0.09649323506460099,0.045382072073622694,0.042555624631176986,0.040891620474942124]
["Потери напора на прямом участке",null,null,null,"hl","м в. ст.",0.5637920174564066,0.10462920420612176,0.06846523632612206,0.047174554619267915]
["Потери напора на диффузоре",null,null,null,"hд","м в. ст.",0.7725367209470025,0.26219772090050325,0.25937127345805755,0.2577072693018227]
["Суммарные потери напора",null,null,null,"h","м в. ст.",1.43282197346801,0.4122089971802477,0.37039213441535657,0.34577344439603275]
[{"$nulls":6},0.01764657284040613,0.010410136094469438,0.010410136094469438,0.010410136094469438]