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Fluid Mechanics

Determining the weight of an automobile

The four tires of an automobile are inflated to a gauge pressure of 2.17e+5 Pa. Each tire has an area of 0.0271 m^2 in contact with the ground. Determine the weight of the automobile.

Fluid Dynamics and Forces

A vane on the moving cart deflects a 10 cm jet of water as shown. The initial speed of the water jet is 20 m/s and the cart moves at 3 m/s. The vane splits the jet evenly (1/2 at 45º and 1/2 at 90º) What forces are exerted on the vane by the jet? (See attached file for full problem description with diagram)

Moment of Inertia of a Sphere

A sphere consists of a solid wooden ball of uniform density 800kg/m^3 and radius 0.20 m and is covered with a thin coating of lead foil with area density 20kg/m^2 . Calculate the moment of inertia of this sphere about an axis passing through its center.

Navier-Stokes Equations

Describe the additional assumptions , conditions ,and steps required to derive the Navier-Stokes Equations from the momentum equations. Use as little mathematics as possible.

Fluids and Dynamics

Please do problem 4 on the attached sheet and do step by step solutions showing equations used and how transformed to get the answer for each question for problem 4. Also give answer in units. If you can add how to think of these problems too I would appreciate it besides giving all the detail previously asked for. (See att

Density of Fluid

If h1 = 0.43 cm and h2 = 4.14 cm and the blue liquid in the U-tube is water (1000 kg/m3), what is the density of the green liquid?

Density and volume calculation

A piece of wood floats in oil of density 800 kgm with 25% of its volume above the surface of the oil. If the piece of wood is placed in water, it will float with what percentage of its volume above the water?

Fluid Mechanics: Ideal and viscous flow of fluids

1/ water is flowing smoothly in a closed pipe system. At one point the speed of the water is 3.0m/s, while at another point 2m higher the speed is 5.0m/s. (a) if the pressure is 50kPa at the lower point, what is the pressure at the higher point? (b) What would the pressure at the upper point be if the water were to stop flowing

Pump behavior analysis

A centrifugal pump has the following characteristics... This pump is used to pump water from one reservoir to another through a pipe of length 125 m, diameter 40 cm and friction factor 0.0054. The difference in height of the water levels... A centrifugal pump recorded the following performance for pump test runs at... Ful

Centrifugal pump

A typical problem for the centrifugal pump. Doing this problem provides you with a better understanding of how a centrifugal pump works.

Centrifugal pump

A centrifugal pump moves 10 l/s water from a pressure of 100kPA to a pressure of 550 kPA in one stage.... (See attached file for full problem description)

Find the volume of the paperweight.

1. A pirate in a movie is carrying a chest (0.30 m X 0.30 m X 0.20 m) that is supposed to be filled with gold. To see how ridiculous this is, determine the weight (in newtons) of the gold. To judge how large this weight is, remember that 1 N = 0.225 lb. 2. An airtight box has a removable lid of area 1.3 X 10^-2 m^2 and ne

Fluid mechanics Questions - Manning's Formula

11) The angle between the tow sloping sides of a standard triangular weir is 60 degrees. When the head of the crest of the weir is .525ft, the rate of discharge, in cubic feet per second, would be? .405 cfs, .331 cfs, .368 cfs, .294 cfs. 12) The diameter of a circular sewer is 42 in., and the rate of slope is .

Fluid Mechanics

6) A sewer 24 in. in diameter is made of concrete pipe for which the value of n may be taken as .014. The rate of slope is .0007, and the depth of the liquid is 18.0 in. what is the rate of discharge. 6.3 cfs., 5.1 cfs, 5.5 cfs, 4.2 cfs 7) The Reynolds number for liquid flowing in a pipe is 28,600. The frictio

Discussing a Bernoulli Problem

Hi, I need help understanding the effects of a stream which is flowing through a tube. I've prepared the following problem for discussion. Using Bernoulli's equation and the steady flow momentum relation to calculate the net force on a tube from a dynamic pressure drop and a water flow stream flowing through ta tube. See t

Venturi meter - Similitude problem

A model of a venturi meter has linear dimensions one-fifth those of the prototype. The prototype operates on water at 20 degrees Celsius, and the model on water at 95 degrees Celsius. For a throat diameter of 600 mm and a velocity at the throat of 6 m/s in the prototype, what discharge is needed through the model for similitude?

Volume and Cubic Meters

A volume of 100.cm3, is how many cubic meters? a. 1.00 b. 1.00 x 10^-2 c. 1.00 x 10^-4 d. 1.00 x 10^-6 e. 1.00 x 10^-3

Pressure on a submarine

Assuming the density of seawater is 1.03 g/cm3, find the total weight of water on top of a nuclear submarine at a depth of 185 m if its (horizontal cross-sectional) hull area is 3200 m2. In atmospheres, what pressure would a diver experience at this depth? Do you think that occupants of a damaged submarine at this depth cou

A large cylinder tub of water rests at the edge of a table 150.0 cm high.

A large cylinder tub of water rests at the edge of a table 150.0 cm high. The tub is full, it is 110.0 cm tall with top area of 1000 cm^2. If a hole 1.0 cm^2 is made in its side 10.0 cm above the bottom: (a) Determine the speed of the water as it leaves the side. (b) How far will it reach when it hits the ground?

Find the mass of the log...

A log of wood is floating in water with 40% of its volume above the surface of the water. if the volume of the log is 0.4 m^3, find the mass of the log. a. 200kg b. 240 kg c. 160 kg d. 16 kg

Find the height at which the tank is located...

Water is pumped through a pipe to a tank at the top of a building. The pressure of the water at ground level is 2.2* 10^5 Pa and at the tank, the pressure is atmospheric. If the diameter of the pipe is the same throughout, find the height at which the tank is located. Atmospheric pressure may be assumed as 1.0 * 10^5 Pa and G as

Fluid Dynamics and Bernoulli's Equation

The gauge pressure in a garden hose is 2.0 atmospheres. If the cross-sectional area of the hose is 4.0 cm^2 and the nozzle output area is 0.4 cm^2(cm^2= 10^-4m^2): (a) How fast does the water leave the hose? (b) If the hose is held parallel to the ground and is 1.0 m above the ground, how far out will it travel before it hits

Solving for Volume

Question: Given that we have 1200 cm^3 of helium at 15 degrees Celsius and 99kPa, what will be its volume at STP?

Fluid Mechanics: U Tubes

A U tube open at both ends is partially filled with water. Oil having a density of 750 kg/cubic meter is then poured into the right arm and forms a column L = 5.00 cm high. (a) Determine the difference h in the heights of the two liquid surfaces. The right arm is then shielded from any air motion while air is blown across the

Fluid Mechanics

When a body is travelling faster than the local speed of sound, often a shock wave is created. Describe the physical causes of such a shock wave. (See attachment for full question)

Fluid Mechanics

Assume that the energy equation for a compressible gas can be written as:... Explain the meaning and units of the terms H,V,z,Q and W in this equation. (See attachment for the rest of the question)

Problem 15.41

Please do not include your response in a .pdf or .cdx format, but Word documents are okay. Thanks! Here's the actual problem: A U-shaped tube, open to the air on both ends, contains mercury. Water is poured into the left arm until the water column is 13.1 cm deep. How far upward from its initial position does the mercury i