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What is Working principle of venturi tube?
Venturi tube is used to for flow measurement. It work on the principle of Bernoulli Equation.
What is the Venturi tube problem and how can it be solved effectively?
The Venturi tube problem refers to the challenge of accurately measuring fluid flow in a Venturi tube due to pressure losses and inaccuracies. This can be solved effectively by calibrating the tube, ensuring proper installation, and using advanced flow measurement techniques such as ultrasonic or electromagnetic flow meters.
Were is the two main sections of a carburetor?
The float bowl and the venturi tube
Determine venturi dimensions and expected differential pressure reading for air flow at 50000 Reynolds number, 500 kPa and 50°C, through a circular tube with 50 mm diameter?
To determine the venturi dimensions and expected differential pressure reading for air flow at 50000 Reynolds number, 500 kPa and 50°C, through a circular tube with 50 mm diameter, we can use the following steps: Calculate the air velocity in the circular tube: The flow rate (Q) can be calculated using the formula Q = π*(d^2)/4 * v, where d is the diameter of the tube and v is the air velocity. Rearranging the formula, we can get v = (4*Q)/(π*d^2). Substituting the given values, we get v = (4*0.0196)/(π*0.05^2) = 12.56 m/s. Calculate the diameter of the throat: The Reynolds number (Re) can be calculated using the formula Re = (ρvd)/μ, where ρ is the density of air, μ is the dynamic viscosity of air, and all other variables are as previously defined. Rearranging the formula, we can get d = (Re*μ)/(ρ*v). Substituting the given values, we get Re = (ρvd)/μ => d = (Re*μ)/(ρv) = (500000.0000185)/(1.184*12.56) = 0.0037 m. Calculate the diameter of the inlet: The area ratio (A1/A2) of the inlet to the throat can be calculated using the formula A1/A2 = (1/ε)^2 * ((2/(γ+1))^((γ+1)/(γ-1)) / ((γ+2)/(γ-1))^((γ+2)/(γ-1))), where ε is the contraction coefficient, γ is the specific heat ratio of air, and all other variables are as previously defined. Substituting the given values, we get A1/A2 = (1/0.6)^2 * ((2/1.4)^1.4 / (4.4/1.4)^2.2) = 2.21. Since the area of the throat is known (πd^2/4), we can calculate the area of the inlet by multiplying it with the area ratio: A1 = A2 * A1/A2 = π(0.0037^2)/4 * 2.21 = 8.40E-06 m^2. The diameter of the inlet can be calculated using the formula d = 2*sqrt(A1/π) = 0.00293 m. Calculate the expected differential pressure reading: The differential pressure (ΔP) can be calculated using the formula ΔP = (ρ*v^2/2) * ((A2/A1)^2 - 1), where all variables are as previously defined. Substituting the given values and the calculated values from steps 2 and 3, we get ΔP = (1.184*12.56^2/2) * ((0.0037/0.00293)^2 - 1) = 525.8 Pa. Therefore, the venturi dimensions for air flow at 50000 Reynolds number, 500 kPa and 50°C, through a circular tube with 50 mm diameter are: the diameter of the throat is 0.0037 m and the diameter of the inlet is 0.00293 m. The expected differential pressure reading is 525.8 Pa.
What is the operating principle of the venturi meter of flow measurement?
Air flowing quickly over the open top of a vertical tube lowers the air pressure in it. This causes liquid in the tube to rise. (It rises due to the higher pressure acting on the other end. The tube is marked to indicate the wind speed. Alternatively, if the open vertical tube is in still air and it is connected at its lower end with a horizontal tube containing a flowing liquid, the liquid in the vertical tube will fall when the horizontal flow past the lower end increases.
Do all shallow well jet pumps use a venturi tube?
All shallow well jet pumps use an ejector (or jet), which consists of a nozzle and venturi tube. Centrifugal pumps on the other hand are also shallow well pumps without a jet.
Why pressure is more at throat than at inlet in venturimeter?
In a venturimeter, the pressure is lower at the throat than at the inlet due to the principle of conservation of energy and Bernoulli's equation. As fluid flows through the venturi tube, it accelerates in the throat, leading to an increase in velocity and a corresponding decrease in pressure. This phenomenon occurs because the cross-sectional area is smaller at the throat, causing the fluid to speed up, which results in a drop in static pressure according to Bernoulli's principle. Thus, the pressure at the throat is lower than at the inlet.
What is the difference between tube and pipe?
Tube is measured by outside diameter, pipe is measured by inside diameter.
What can the term Venturi refer to?
There are many things the term 'Venturi' may reference. One possible use of the word would be a term used to describe a short piece of tube used to measure flow rate.
What is the tube connecting the middle ear to the throat?
the Eustachian tube (a.k.a. the pharyngotympanic tube)
What is the medical term meaning inner diameter of a tube?
The medical term for the inner diameter of a tube is "lumen."
What is difference OD and NB of pipe?
NB = inside diameter of the tube. OD = outside diameter of the tube.
