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Fluid Dynamics

Parent Category: Mechanics
The study of the motion of fluids (liquids and gases) and the forces causing this motion, Fluid Dynamics has several subdisciplines, including hydrodynamics and aerodynamics. To ask and answer questions about Fluid dynamics and its subdisciplines, come on in to the Fluid Dynamics category.
The specific heat capacity of motor oil is 2 Kj/ Kg. That means 2  kilojoules and kilograms which is how heat is measured.
It is the ratio of (mdot*Cp)min/(mdot*Cp)max where the heat exchanger contains two fluids for which the mdot*Cp should be calculated for each to determine which one is greater. by doing so one can define the ability of one fluid to carry thermal/heat energy with respect to the other. so this is a...
you will have to remove the rear seat as the pump is located behind the backrest. To remove the back seat, you need an extension for your socket wrench and remove the two nuts which are about centered where each person sits. Then lift up the seat to clear four guide/retaining clips. Having done that...
the shape and size of the molecules that the fluid consists of, if they are big, wavy molecules then the liquid will be viscous because the molecules struggle to move over each other.
it will mix up with it. so it is not going to float or not going to sink.
Contact your tutor or whoever is in charge of the course.
the mean free path in dependent on pressure, since the mean free path equation state that mean free path=k*T/((2)^(1/2))*P*o so if you double the pressure your actually decreasing the mean free path by half.
It's the principle that pressure, in an enclosed space, distributes  in such a way that there is the same pressure everywhere.
When they get hotter, gasses and fluids have a lower density (they weigh less per cubic inch) so they rise above the cooler material. Another answer Most of the time a convection current happens within the Earth, in the layer which we call the mantle. Like the rock cycle, it has no certain...
Friction force is equal to the force applied only when the object is not moving or it is just beginning to slide. Once the object has started motion completely, it means that the force applied has exceeded the frictional force
Answer . Old house, the pipes fill up with sediment. A 1/2 inch pipe may have a quarter of an inch or less. On some new houses there may be a pressure regulator on the line coming in. Somewhere between where it comes into the house and the first faucet or the water heater, whatever comes first...
one inch of water column = .0361 psi.
if we use the ejector or vacuum pump to create vacuum in process tenk .then there may be backflow to the process tank (e g. evaporator) .to avoid that backflow we are using barometric legs.
It is heat transfer at speed higher than 0.3 Mach.
In magnetism: An eddy current is induced into a metal when magnetic lines of force move across it. A South pole causes circulating current in clockwise direction while a North pole causes current in counter-clockwise direction. These eddy currents thus buck the applied forces. Eddy currents are...
Basically to reduce air friction on a body, the most general idea is to streamline the body. The same is done by the helmet. When one drives a bike , the person takes a position which streamlines the flow of air over the body(i.e, he bends, like in motoGPs). But the head is not so streamlined and it...
1 Liter (L)= 1000 milliliters (mL) Divide 1 L by 1000mL, then multiply by 4. This gives you .004 Liters.
  == Answer ==   because it need air to push the water out.in other words water exiting and air entering the same hole is inpossable.
Same as it is on a human, decelerate the descent speed such that the rocket can be used again.
Any substance with a low fluid viscosity can.
Air Resistance is a force . It is a force which act in theopposite direction that you are travelling (except in space, whereair resistance is non-existent). It is caused by molecules ofair colliding with an object , causing it to slow down andeventually stop. Air Resistance can also be known as ...
This can be found from the steam tables. www.x-eng.com gives steam tables. At different temperatures and pressures wolume of water can be found. To find the coefficient of expansion of water, find the volume at 5degree lower and 5 degree higher at same pressure. Take the mean and divide with the...
All but one (mercury) are solid at room temperature, most of them  have a shiny surface
Wate bending is a mixture of chi and telekinesis combined so you must really meditate
5000 Feet=1524Meters Pressure=(rho)ghRho=Density=1000g=9.81h=height=1524Pressure=1000x9.81x1524=14950440Pa=15MPa
The major losses within a pipe are those that occur through out the  lenght of the pipe, they are caused by the interaction of the water  particles and the inner surface of the pipe as water flows through  it. Now minor losses are those that occur due to fitting and  connections in a pipe sytem,...
Kinetic energy (K) is one half of the product of mass (m) times the square of the object's velocity (v):  K=(1/2)*m*(v squared)
Simply stated: boiling point, though it's better to say: volatility. Related Information: Not all substances with different boiling points can be separated by simple distillation. An example is a water/ethanol mixture. The ethanol, in a 50/50 mixture of water and ethanol, can be concentrated by...
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We don't see bends "sucked" out of rivers. As bends, called meanders, form in rivers, we'll eventually see that the current flow will begin to "cut into" the bank that is confining and turning the flow. That translates into uncercutting and eventual "cutting through" of the bend or meander. If we...
not enought information provided
For a fixed volume, a sphere is the shape with the lowest surface area to volume ratio. Surface tension is minimized when the drop forms a sphere, and molecules always tend toward the position which minimizes energy.
Click on the Related Link for pictures and the apparatus' functions.
Fluid flow in pipes is affected by many different factors:The viscosity, density, and velocity of the fluid.Changes in the fluid temperature will change the viscosity & density of the fluid.The length, inner diameter, and in the case of turbulent flow, the internal roughness of the pipe.The...
the compressor is damage or broken connecting rod
Density is the ratio of an object's mass divided by its volume. The standard international unit to measure density is kilograms per cubic meter (kg/m3). The addition of "relative" to the term is unnecessary unless you are comparing your subject material to something other than the standard 1 kg/l...
The classic bobbing or drinking bird toy has amused kids and adults for years. It appears to be perpetual motion (impossible) but is actually a heat engine with a lot of thermodynamics going on. Although the bird is often thought to be a recent invention it was invented in 1945 and patented in 1946....
If you've ever seen a bomb you will notice that there are tail-fins. There are two purposes to these fins. To make the bomb fall where it is intended to go. Hitting a target with a bomb is a hard thing to do and a lot of technology goes into making a bomb the right shape to 'fall straight.'These...
Stickiness vs Friction Adhesiveness is the measure of how much one type of substance "sticks" to a different kind of substance. i.e., tape has a higher adhesiveness than paper. Viscosity is how "thick" a substance is. i.e., honey has a higher viscosity than water.
  because when you blow you blow more power in the middle and you dont blow into each spot with even power   === ANSWER: ===   Its because of equal pressure on all sides, thus resulting in a sphere. Same way a bubble of air under water will become circular.   ANSWER: It's all about...
The weightlessness is due to the buoyancy force acting on the body, it pushes the body upwards i.e in a direction opposite to that of the attraction of the earth.
because the yolk is too squishy and yellow but if brown and hard it would work much easier so the yolk keeps it from breaking.
the temperature which occupied to liquefy the gas at its critical pressure and critical volume ,it is represented by Tc.---------------------------------------------------------------------------------------------Rafaelrz.The Critical Temperature of a fluid is the maximum temperature at which it's...
In theory, it should have 180 degrees. OF course, this isn't the case. Why? Beacause the 2 remaining pairs of electrons, beacause of electromagnetic force, push the bound electrons (which have negative charge, and therefore are repelled) a bit to the positively charged side of molecule. This is what...
The motion of a ball thrown from a height, movement of a football  & the movement of a hand while writtingare all examples of  translatory motion.
One Sentence Answer: In the generic meaning of the term, convection in fluids (liquid or gas) is the movement of the material (mass) of the fluid itself and it occurs because some force has been applied to the fluid to cause fluid flow. Deconstructing: Convection is mass transfer in a fluid and in...
Short answer: Water beads form on a surface when the cohesion of the water molecules with each other is much greater than the adhesion of the water to the surface. This phenomena, or the lack there of, is called wetting and has been studied for centuries. The cohesion of a liquid is directly...
GeometryFive dierent n geometries are available. Geometric dimensions to be specied for each fin type areStraight FinsAnnular FinsLongitudinal FinsRectangular FinsConical FinsTrapezoidal FinsParabolic FinsCylindrical Fins/Pins/SpinesTruncated Conical Spine Triangular Fins
Any mechanical one, such as sound, tsunami, earthquake, ocean, etc.
A. Diesel B. KeroseneC. HydrogenD. Coal
Answer . I think it may be because the inside of our mouths are hot, so cold feels better, and the outside of our body is sensitive to cold more than hot, so warm showers feel better. Just my opinion though.
The Nusselt number is the ratio of convective to conductive heat  transfer across the boundary layer.   Nu=(hL)/k    h is heat transfer coefficient   L is the characteristic length   k is the thermal conductivity
As the plane hits the deck, its kinetic energy is 1 / 2 (its mass) x (its speed) 2 , so that's the amount of energy that has to go somewhere in order tobring the plane to a complete stop where its kinetic energy is zero. My guess at the moment is that the energy must be dissipated in onehumongous...
well im going to tell your teacher that your looking up answers you very bad kid. cha cha now. 
differential equations. You have 2 constraints; vz=0 @ r=R1 and r=R2
because of the height, as you go down further in depth the greater the pressure. imagine when you at a greater depth the greater amount of fluid you have to endure. the pressure would be the same everywhere at the same depth in fluid but the force on the object would depend on the area of the object...
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It depends on the buoyancy force if the weight is greater than buoyancy force it will sink other wise it will float.
  2pie r T cos theta = pie r2(r squared)h rho g which gives............ T = 1/2 rho grh if r is small if r is not small,,put h=h+r/3 :D
Fluids flow down or down and outward, depending on the location of the hole--or path of least resistance. Fluid will stop flowing toward a hole once the fluid level is lower than the hole. So if you marked a line 1/4th inch down from the top of a styrofoam cup, cut a hole at that line (put your...
Upthrust is the upward or buoyant force acting on an object in a liquid. It is a force, and so has the units of force. This is pounds in the imperial system, and Newtons in the SI.
The surface tension of the bubble solution compresses into the smallest size that will encompass the volume of air that it contains. This is always going to be a sphere.    Bubbles are a round shape because the competing forces of the air  that is inside. This is also known as a sphere.
Yes it is. I regret that you had to wait almost 2 years for answer. It's not my fault, since I just saw the question for the firsttime, and I answered it within 10 seconds, and I'll never do it again.
Lotion is thicker than fluid.
The viscosity of air provides a drag force on a raindrop and keeps it from falling with the acceleration of gravity. When a drop is falling (assuming it does not combine with other drops in the process) it will reach a terminal velocity which depends on its diameter. The larger the diameter the...
750 ml - or 25.4 fluid ounces.
Depends on the sponge.
If the ropes are perfectly vertical AND both of them are indeedsharing the load, then the tension in each rope is 5N. But it would be practicallyimpossible to have them exactly share the load, and one would wind up supporting mostor all of it. The best way to make them share is to use elastic ropes,...
No. Although liquids consist of molecules, and so do gases and solids.
Yes, but it would have to be tilted, almost flat. You can onlydrink through it if your mouth is not more than 33 feet higher than the surface ofthe liquid that you're drinking through the straw.
weight of the displaced fluid
If a balloon has no mass, then it has no weight, and doesn't needto displace any water in order to float on the surface. So, unless someonecomes along and sits on it, the balloon displaces no water, whose weight islikewise zero.
By making a water dam, so that water can't go down. Dams and flumes prevent the rapid loss of this valuable resource: water is life. Live long, and well with water, from the well if necessary.
Displacement is the measure of how much fluid it takes to turn the hydraulic motor shaft per revolution. It is typically expressed in cubic inches or cubic centimeters per revolution. Given the same flow rate and pressure, a larger displacement motor will turn slower than a smaller displacement...
Whirlpools rarely cause any damage, though larger ones may be a  hazard to small boats.
Given a boundless supply of compressed air, concrete can be brokenup much easier and faster with a jackhammer than with an icepick or hammer andchisel.
The air pressure above, is the same as the air pressure below. Example: If one person goes on one side of a box and one person goes on the other side and they push at the same time using the same amount of force the box will go no where.
Heat it up. To avoid parts of the honey from overheating (or the container from being damaged, depending on its material), put the container that has the honey into a pot with hot water, or a pot with cold water which you then heat on the stove.
PCA may be used by children as young as seven years old.
The logarithm of 'L inches' has no unit of its own. It's called "log( L inches ) ".