Aerodynamics at the Particle Level
... solid object it is due to its self-interaction, interaction with gas outside the flow, and the forces its particles exert on the surface as they strike it, not due to an attractive force between the particles and the surface. In contrast to the work of Bernoulli, there is no “Coandǎ equation” becau ...
... solid object it is due to its self-interaction, interaction with gas outside the flow, and the forces its particles exert on the surface as they strike it, not due to an attractive force between the particles and the surface. In contrast to the work of Bernoulli, there is no “Coandǎ equation” becau ...
Flow Measurement
... column is proportional to the flow rate. The lifting force is produced by the differential pressure that exists across the float, because it is a restriction in the flow. This type of sensor is used for both liquids and gases. A moving vane flow meter has a vane target immersed in the flow region, w ...
... column is proportional to the flow rate. The lifting force is produced by the differential pressure that exists across the float, because it is a restriction in the flow. This type of sensor is used for both liquids and gases. A moving vane flow meter has a vane target immersed in the flow region, w ...
Fluid Mechanics Problems
... Problem 12: A gate having the shape shown in Figure is located in the vertical side of an open tank containing water. The gate is mounted on a horizontal shaft. a) When the water level is at the top of the gate, determine the magnitude of the fluid force on the rectangular portion of the gate above ...
... Problem 12: A gate having the shape shown in Figure is located in the vertical side of an open tank containing water. The gate is mounted on a horizontal shaft. a) When the water level is at the top of the gate, determine the magnitude of the fluid force on the rectangular portion of the gate above ...
Low-Melting-Temperature Metals for Possible
... The jet velocity cannot actually go negative due to the effect of the magnetic field . If the velocity reaches zero the jet stops (falls). Note that we divided eq. (20) by vz before integrating; once vz becomes zero F goes to zero and stays there. ...
... The jet velocity cannot actually go negative due to the effect of the magnetic field . If the velocity reaches zero the jet stops (falls). Note that we divided eq. (20) by vz before integrating; once vz becomes zero F goes to zero and stays there. ...
Slide 1
... stagnation pressure coefficient given by the high Mach number form of the normal shock relations for a perfect gas applies for Mach numbers above about 5 and that it gives results that are within 5% of the actual values up to Mach numbers in excess of 10. Therefore, the modified Newtonian equation u ...
... stagnation pressure coefficient given by the high Mach number form of the normal shock relations for a perfect gas applies for Mach numbers above about 5 and that it gives results that are within 5% of the actual values up to Mach numbers in excess of 10. Therefore, the modified Newtonian equation u ...
ConcepTest Question
... a. The mass flow into the control volume is equal to the mass flow out of the control volume b. The rate of change of the amount of mass in the control volume is balanced by the net rate at which mass flows out through the control surface c. The accumulation of mass in the control volume is balanced ...
... a. The mass flow into the control volume is equal to the mass flow out of the control volume b. The rate of change of the amount of mass in the control volume is balanced by the net rate at which mass flows out through the control surface c. The accumulation of mass in the control volume is balanced ...
12.2 Surface Area of Prisms & Cylinders
... parallelograms formed by connecting the corresponding vertices of the bases. The segments connecting these vertices are lateral edges. ...
... parallelograms formed by connecting the corresponding vertices of the bases. The segments connecting these vertices are lateral edges. ...
Warm-ups - St. Monica Catholic Church
... A set of toy blocks are sold in a cylindrical shape container. A product label wraps around all sides of the container without any overlaps or gaps. How much paper is used to make the label the appropriate size if the diameter of the container is 12 inches and the height is 18 inches? ...
... A set of toy blocks are sold in a cylindrical shape container. A product label wraps around all sides of the container without any overlaps or gaps. How much paper is used to make the label the appropriate size if the diameter of the container is 12 inches and the height is 18 inches? ...
P - WordPress.com
... horizontal, the force that causes this acceleration has to be applied by the surrounding fluid. This means that the pressure must be different in regions of different cross section; if it were the same every where, the net force on every fluid element must be zero. When a horizontal flow tube narrow ...
... horizontal, the force that causes this acceleration has to be applied by the surrounding fluid. This means that the pressure must be different in regions of different cross section; if it were the same every where, the net force on every fluid element must be zero. When a horizontal flow tube narrow ...
The stretching of an electrified non
... Electrospinning uses an external electrostatic field to accelerate and stretch a charged polymer jet, and may produce ultrafine ‘‘nanofibers.’’ Many polymers have been successfully electrospun in the laboratory. Recently Hohman et al. 关Phys. Fluids, 13, 2201 共2001兲兴 proposed an electrohydrodynamic m ...
... Electrospinning uses an external electrostatic field to accelerate and stretch a charged polymer jet, and may produce ultrafine ‘‘nanofibers.’’ Many polymers have been successfully electrospun in the laboratory. Recently Hohman et al. 关Phys. Fluids, 13, 2201 共2001兲兴 proposed an electrohydrodynamic m ...
Principles of Convection
... # When 2 fluid layers move relatively to each other, a friction force develops between them & the slower layer tries to slow down the faster layer. This internal resistance to flow is quantified by the fluid property viscosity. # Viscosity is caused by cohesive forces between the molecules in liqu ...
... # When 2 fluid layers move relatively to each other, a friction force develops between them & the slower layer tries to slow down the faster layer. This internal resistance to flow is quantified by the fluid property viscosity. # Viscosity is caused by cohesive forces between the molecules in liqu ...
experimental study on the flow field between two square cylinders in
... ropes and the tower of suspension bridges. It is well known that serious vibrations called as “wake galloping” or “wake induced flutter” occur in the parallel cables and twin hanger ropes. Therefore, aerodynamic characteristics of tandem-arranged structures have been studied widely [Shiraishi et al. ...
... ropes and the tower of suspension bridges. It is well known that serious vibrations called as “wake galloping” or “wake induced flutter” occur in the parallel cables and twin hanger ropes. Therefore, aerodynamic characteristics of tandem-arranged structures have been studied widely [Shiraishi et al. ...
Temperature, Pressure and Density
... If the temperature of the air column increases there will be a greater height of air above the altimeter and it will sense a greater pressure and register a lower altitude. (It will under read.) If the temperature of the air column is decreased there will be less air above the altimeter and this wil ...
... If the temperature of the air column increases there will be a greater height of air above the altimeter and it will sense a greater pressure and register a lower altitude. (It will under read.) If the temperature of the air column is decreased there will be less air above the altimeter and this wil ...
Slide 1 - Union College
... effects, a process through which a surface is electrowetted in such a way that it will cause a droplet to be pulled forward. Because this is a relatively new field, not much is known about the flows within droplets while they are undergoing this electrocapillary propulsion. However, much of the drop ...
... effects, a process through which a surface is electrowetted in such a way that it will cause a droplet to be pulled forward. Because this is a relatively new field, not much is known about the flows within droplets while they are undergoing this electrocapillary propulsion. However, much of the drop ...
Fluid Flow
... “Every body continues in its state of rest or of uniform motion in a straight line, unless it is acted upon by some external forces” Newton’s second laws of motion “The rate of change in momentum is directly proportional to the impressed force and takes place in the same direction in which the ...
... “Every body continues in its state of rest or of uniform motion in a straight line, unless it is acted upon by some external forces” Newton’s second laws of motion “The rate of change in momentum is directly proportional to the impressed force and takes place in the same direction in which the ...
Lecture 14c - TTU Physics
... • Viscosity is a measure of the amount of internal friction in the fluid. • This internal friction or VISCOUS FORCE, comes from the resistance that two adjacent layers of fluid have to moving relative to each other. ...
... • Viscosity is a measure of the amount of internal friction in the fluid. • This internal friction or VISCOUS FORCE, comes from the resistance that two adjacent layers of fluid have to moving relative to each other. ...
ppt
... In the absence of any other “forces”, air tends to move away from regions of high pressure and toward regions of low pressure. However, if you look at a weather map, you never see wind blowing in this direction, (except maybe in the tropics). That’s because air parcels that are moving experience oth ...
... In the absence of any other “forces”, air tends to move away from regions of high pressure and toward regions of low pressure. However, if you look at a weather map, you never see wind blowing in this direction, (except maybe in the tropics). That’s because air parcels that are moving experience oth ...
Materials - UCSI A
... Measure the masses in kilograms of a wide range of solid objects. Then measure their voumes. Use a micrometer or vernier callipers to measure their dimensions if they are regular, or use the method of displacement of a volume of water by a solid with irregular shape. The density can be calculated by ...
... Measure the masses in kilograms of a wide range of solid objects. Then measure their voumes. Use a micrometer or vernier callipers to measure their dimensions if they are regular, or use the method of displacement of a volume of water by a solid with irregular shape. The density can be calculated by ...
Euler`s equation
... The surface of a rotating liquid placed in a container is not flat but dips near the axis of rotation. This phenomenon, which can be observed when stirring coffee in a mug, results from a radial pressure-gradient balancing the centrifugal force acting within the fluid. Consider, for example, a cylin ...
... The surface of a rotating liquid placed in a container is not flat but dips near the axis of rotation. This phenomenon, which can be observed when stirring coffee in a mug, results from a radial pressure-gradient balancing the centrifugal force acting within the fluid. Consider, for example, a cylin ...
Effective slip on textured superhydrophobic surfaces
... droplet is Ca= Ur / = 10−3. The small value of the capillary number indicates that the shape of the droplet is not significantly affected by the motion.9 The parameters of our experiment are somewhat consistent with the BoⰆ 1 共i.e., surface tension effects dominate gravity effects兲, CaⰆ 1 assump ...
... droplet is Ca= Ur / = 10−3. The small value of the capillary number indicates that the shape of the droplet is not significantly affected by the motion.9 The parameters of our experiment are somewhat consistent with the BoⰆ 1 共i.e., surface tension effects dominate gravity effects兲, CaⰆ 1 assump ...
Electrokinetic phenomena
... The study of the characteristics of electrical double layers was conducted by various authors who investigated this problem at different levels. The first and most significant studies, credited to G. Gouy and D.L. Chapman, date back to the beginning of the Twentieth century. These two authors descri ...
... The study of the characteristics of electrical double layers was conducted by various authors who investigated this problem at different levels. The first and most significant studies, credited to G. Gouy and D.L. Chapman, date back to the beginning of the Twentieth century. These two authors descri ...
Coandă effect
The Coandă effect /ˈkwaːndə/ is the tendency of a fluid jet to be attracted to a nearby surface. The principle was named after Romanian aerodynamics pioneer Henri Coandă, who was the first to recognize the practical application of the phenomenon in aircraft development.