Flow Through H Venturi Meter PDF

December 3, 2022 | Author: Anonymous | Category: N/A
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Flow through H venturi meter ‫رر‬ ‫ن‬ ‫هدف‬ : ‫ج‬ ‫ج‬ ‫ق‬‫طر‬ ‫ن‬  ‫اا‬ ‫ر‬ ‫جر‬‫خدام اا‬‫أأ‬ ‫دفق‬‫اا‬ ‫ل‬ ‫ن‬ 

venturi meter 

‫رر‬ ‫ر‬ ‫ظر‬  : ‫صورة‬ ‫ن‬  ‫ط‬ ‫ط‬‫ا‬ ‫ل‬‫حو‬  ‫د‬ ‫ق‬‫طر‬ ‫ن‬ ‫ر‬‫واا‬‫ا‬‫ا‬ ‫ل‬‫خ‬ ‫ت‬‫صرف‬‫اا‬ ‫س‬ ‫خري‬  : ‫رر‬ ‫كرة‬ 

‫رر‬‫ا‬‫وا‬ ‫ضغط‬‫ا‬  ‫ى‬ ‫ؤثر‬‫ف‬ ‫ط‬‫ا‬  ‫ا‬ ‫ح‬ ‫ف‬ ‫ر‬‫غ‬‫اا‬ ‫ى‬ ‫د‬ .‫م‬  ‫كك‬‫ا‬‫ا‬  ‫اا‬‫و‬  Venturi meter:

‫وا‬‫ا‬‫ا‬ ‫ل‬‫خ‬ ‫ئل‬ ‫دفق‬ ‫س‬ ‫دة‬ ‫خدم‬ ‫ز‬‫ج‬ ‫ا‬ ‫ج‬ ‫و‬ ‫ر‬‫واا‬‫اا‬ ‫ل‬‫خ‬ ‫ل‬‫ئ‬‫ا‬‫و‬‫ا‬‫ا‬  ‫ن‬ ‫وع‬    ‫رر‬ ‫دة‬‫ز‬ ‫ز‬ ‫ض‬ ‫خدم‬ ‫ك‬ ‫ك‬ . ‫ط‬ ‫إ‬ ‫د‬ ‫رار‬ ‫اا‬  ‫دد‬‫و‬ ‫و‬  ‫وو‬‫ر‬  ‫ظرر‬  ‫د‬  ‫ز‬‫ج‬ ‫ج‬‫ا‬ ‫ذا‬ ‫ل‬

 

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A1: Area of inlet main A2: Area of throat V1: velocity at Point 1 (Inlet main) V2: velocity at Point 2 (throat) Z1: level at Point 1 (Inlet main) Z2:level at Point 2 (throat) P1: Pressure at Point 1 (Inlet main) P2: Pressure at Point 2 (throat)

:‫ت‬ ‫دو‬ Venturi meter



Differential manometer



Collecting tank



 

 

:‫ت‬ ‫خطو‬

‫ق‬ ‫اا‬ ‫طر‬ ‫ب‬‫ح‬ ‫ح‬ , ‫دخول‬‫ا‬  ‫وو‬ ‫طر‬ ‫ب‬‫ح‬ ‫ ح‬.1 .‫ده‬‫حد‬ ‫وم‬ ‫ن‬ ‫وب‬ ‫ن‬ 1 , 2 ‫ط‬ ‫ب‬‫ا‬ ‫ا‬ ‫ب‬‫ح‬ ‫ ح‬.2 .

        .3  ‫و‬ ‫و‬   ‫ا‬  ‫ا‬ ‫ل‬  ‫خ‬  ‫ا‬  ‫د‬  ‫ا‬  ‫ا‬  ‫ر‬  ‫ا‬  ‫ر‬    .Manometer ‫ة‬ ‫را‬ ‫ب‬‫ح‬ ‫حم‬ .4

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:

‫اا‬ ‫ن‬ (v )   ‫اا‬ ‫د‬  ‫رر‬‫اا‬ ‫ب‬‫ح‬ ‫ ح‬.5 2

 

  .

‫ظر‬ ‫دفق‬‫اا‬  ‫كك‬ ‫ب‬‫ح‬ ‫ ح‬.6

‫ح‬‫ا‬ ‫دفق‬‫اا‬  ‫ح‬ ‫كك‬ ‫ب‬‫ح‬ ‫ ح‬.7 ‫اا‬ ‫ن‬ Cd ‫دفق‬‫اا‬ ‫ل‬ ‫ب‬‫ح‬ ‫ ح‬.8 : .

 

:‫ج‬ ‫ا‬

 ‫ادد‬‫و‬ ‫و‬  ‫وو‬‫ر‬  ‫ادد‬ ‫ن‬ ‫سوب‬ ‫ظري‬ ‫ق‬‫د‬ ‫ر‬ ‫ار‬ ‫م‬  ‫ل‬‫ا‬ ‫ساب‬ ‫م‬ ‫وو‬ ‫ا‬ ‫سوب‬  ‫ق‬‫د‬ ‫ع‬  ‫رر‬ ‫ر‬‫س‬ ‫س‬ .Cd ‫ق‬‫د‬ .)0.96

0.99(

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‫ن‬ ‫ق‬‫د‬ ‫ل‬‫ا‬  ‫ح‬ ‫و‬‫ر‬ 

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