Problem 5. A Venturi tube is used to measure the water flow rate (Fig. 5). The widesection of the tube has a diameter D1 = 8 cm, while the constriction has a diameter D24 cm. The pressure difference between the wide section and the constriction is measuredby a mercury manometer (PHgrate. State all your assumptions. Calculate the Reynolds number associated with water flowat the constriction. Is your assumption justified?13.56 g/cm³). Apply Bernoulli's equation to find the flow2 cmFigure 5: A Venturi tube is used to gauge the water (blue) flow rate. The pressure difference inthe Venturi tube is measured by a mercury (orange) manometer.

Calculating the pressure difference between location 1 and 2:

Answered: Problem 5. A Venturi tube is used to…

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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In above Fig. 2.26 shows an inverted differential manometer connected to two pipes A and B containing water. The fluid in manometer is oil of sp. gr. 0.8. For the manometer readings shown in the figure, find the difference of pressure head between A and B.
An orifice meter is a device used to determine the flow velocity and flow rate in a pipe. The meter is connected to a U-tube manometer shown in Figure 2(a). The meter is connected to a U-tube manometer shown in Figure 2(b). Derive the equation for the flow rate, Q in the horizontal pipe.
1- Water flows through a horizontal pipe at a rate of 9.1 L/s. The pipe consists of two sections of diameters 10.16 cm and 5.08 cm with a smooth reducing section. The pressure difference between the two pipe sections is measured by a mercury manometer. Neglecting frictional effects, (a) determine the differential height of mercury between the two pipe sections. (b) How would the reading change if the manometer on the 2in pipe is replaced by a pitot tube? 10.16 5.08 h
• A simple U tube manometer is given below. The pressure at which side is higher? o Left o Right o Left = right • In order to calculate the pressure difference at locations 1 and 2 (P2 - P1), we need to know the length of the inclined tube L, as is shown below. o True o False A fow section fow device Fluid
Weter flows up a tapered pipe (figure). A differential mercury manometer is attached to the pipe at Wand B. The pipe has a diameter of 200 mm at A and 100 mm at B, the point B being 1 m above the alot A. Obtain the deflection in the manometer corresponding to a discharge of 50 L/s. Neglect the friction in the pipe. Relative density of mercury 13.6. %D 100 mm 1 m 200 mm
(Bernoulli/continuity/Pitot tube) Two Pitot tubes and two static pressure taps are placed in the pipe contraction shown in the figure below. The flowing fluid is water, and viscous effects are negligible. Determine the two manometer readings, h and H. V=1.7 ft/s h = H= 6.4 in. Air ↓ SG= 1.10 ft ft TH 3.8 in.
Show the possible arrangement of fluid position in the following pressure measuring devices under specified conditions. 1. Piezometer connected to the side of a water tank containing water up to 2 m depth. 2. Manometer connected to a water tank filled up to 1m and is open to atmosphere. 3. Differential manometer connected to two tanks of 2 m and 1 m diameter filled with water and petrol respectively up to the same level and both are open to the atmosphere. 4. Piezometer with negative pressure. 5. Manometer connected with empty water tank.
A flow rate measuring device is installed in a horizontal pipe through which water is flowing. A U-tube manometer is connected to the pipe through pressure taps located 3 in. on either side of the device. The gage fluid in the manometer has a specific weight of 112 lb/ft3. Determine the differential reading of the manometer corresponding to a pressure drop between the taps of 0.5 lb/in². h = ft
Q. Determine the kinematic viscosity at the average temperature and determine the Reynolds number and type of flow using the data shown below and table values: Data obatined from a Reynolds Number test: Water temperature at the beginning of the experiment = 25 oC Water temperature at the end of the experiment = 30 oC The Volume of water collected in 25 seconds = 240 ml Pipe diameter, d= 10 mm. (use eq'n reynold's number, Re = VD/v
Oil (µ = 0.35 Pa-sec) flows through a horizontal 20 cm diameter circular pipe. The velocity at any point in the pipe’s cross-section a distance at a distance y from the center is: V =64(r² − y²) / μ where: r = 10 cm (radius of the pipe) Determine the following: a) Maximum flow velocity (m/sec) b) Shear stress (Pa) at the pipe’s centerline c) Shear stress (Pa) at the pipewalls?
01: A hollow steel tube (1) with an outside diameter of 2.75 in. and a wall thickness of 0.25 in. is fastened to a solid aluminum rod (2) that has a 2 in. diameter and a solid aluminum rod (3) that has a 1.375 in. diameter (E-30,000 ksi, E10,000 ksil. The bar is loaded as shown in figure below, Determine: (1) the displacement of point D with respect to the fixed support at A. (2) the maximum normal stress in the entire axial assombly. (3) the normal strain in the steel tube (1). 34 kips 18 kips 25 kips 18 kips 34 kips 60 in. 40 in. 30 in.
G.. A water column in a glass tube is used to measure the pressure in a pipe. The tube is 6mm in diameter. How much of the water column is due to surface tension effects? What would be the surface-tension effects if the tube were (a) 3mm and (b) 1mm in diameter.

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