Exam2 - Purdue Engineering
... 4) The NACA 3412 airfoil has a maximum distance between the chord line and the camber line of a. 12% of chord b. 3 % of chord c. 4% of chord d. 1% of chord e. 2% of chord 5) An airplane flies through sea level air. Its pitot tube reads a gage pressure of 0.2 atm. The air speed (in m/s) is closest t ...
... 4) The NACA 3412 airfoil has a maximum distance between the chord line and the camber line of a. 12% of chord b. 3 % of chord c. 4% of chord d. 1% of chord e. 2% of chord 5) An airplane flies through sea level air. Its pitot tube reads a gage pressure of 0.2 atm. The air speed (in m/s) is closest t ...
July 2016 - Scorpio Technology
... These forces have been essential in the development of all types of air craft – helicopters, spacecraft, hot balloons, parachutes etc. Engineers manipulate air pressure to create lift; they design wings so that the air moves faster over the top than under them, causing aircraft to lift during take-o ...
... These forces have been essential in the development of all types of air craft – helicopters, spacecraft, hot balloons, parachutes etc. Engineers manipulate air pressure to create lift; they design wings so that the air moves faster over the top than under them, causing aircraft to lift during take-o ...
Slide 1 - Planetscience
... • When a sky diver leaves the aircraft he speeds up because there are unbalanced forces acting. His weight is greater than the fictional drag force. • As his speed increases, the fictional drag due to the air increases. • Spreading himself like a eagle increases the surface area and increases the fi ...
... • When a sky diver leaves the aircraft he speeds up because there are unbalanced forces acting. His weight is greater than the fictional drag force. • As his speed increases, the fictional drag due to the air increases. • Spreading himself like a eagle increases the surface area and increases the fi ...
experiment 7
... component force. In addition, a drag force is rotated to provide a lift component force, as well as a reduced drag component force. The airfoil may be any type of airfoil, such as a rotating cylinder. The vane-airfoil combination may also include a fore-body and an after-body for reducing the press ...
... component force. In addition, a drag force is rotated to provide a lift component force, as well as a reduced drag component force. The airfoil may be any type of airfoil, such as a rotating cylinder. The vane-airfoil combination may also include a fore-body and an after-body for reducing the press ...
Aerodynamics
... Indicated airspeed - simply the airspeed that is read off the airspeed indicator. The raw speed. Calibrated airspeed – The airspeed corrected for instrument and position error. Errors occur from limitations where the pitot tube is located, or even where the static port is placed. Equivalent airspeed ...
... Indicated airspeed - simply the airspeed that is read off the airspeed indicator. The raw speed. Calibrated airspeed – The airspeed corrected for instrument and position error. Errors occur from limitations where the pitot tube is located, or even where the static port is placed. Equivalent airspeed ...
The Coriolis Force and Weather - Physics
... Trajectory of Long-Distance Artillery Shells • British naval gunners used Northern Hemisphere measurements of the Coriolis force for targeting in a conflict in the Southern Hemisphere • But the Coriolis force acts in the opposite direction in the Southern Hemisphere • Thus, the long-range shells we ...
... Trajectory of Long-Distance Artillery Shells • British naval gunners used Northern Hemisphere measurements of the Coriolis force for targeting in a conflict in the Southern Hemisphere • But the Coriolis force acts in the opposite direction in the Southern Hemisphere • Thus, the long-range shells we ...
This can be better explained by demonstrating a steady flow
... by having a change in static head in one direction contributed by the centrifugal effect and an equal change in the other direction contributed by the change in relative velocity. However, this has not been established in practice. Thus for as axial flow impulse machine U1 U 2 , Vr1 Vr2 . For an ...
... by having a change in static head in one direction contributed by the centrifugal effect and an equal change in the other direction contributed by the change in relative velocity. However, this has not been established in practice. Thus for as axial flow impulse machine U1 U 2 , Vr1 Vr2 . For an ...
Final Exam Time: 120 min Course: 58:160, Fall 2006 Name
... 3) A thin plastic panel (3 mm thick) is lowered from a ship to a construction site on the ocean floor. The plastic panel weighs 500 N in air and is lowered at a constant rate of 6m/s. Assuming that the panel remains vertically oriented, calculate the tension in the cable. ( Note: Buoyancy is not neg ...
... 3) A thin plastic panel (3 mm thick) is lowered from a ship to a construction site on the ocean floor. The plastic panel weighs 500 N in air and is lowered at a constant rate of 6m/s. Assuming that the panel remains vertically oriented, calculate the tension in the cable. ( Note: Buoyancy is not neg ...
ME 750A: Spring 2005 HW Due on Wednesday, March 9
... Choosing an appropriate free stream velocity and a cylinder radius, plot the stream function and potential function around the cylinder with “line-contours” using a software such as MATLAB (available in most computers in our labs). 4. Consider a long section of a large pipe half buried into the grou ...
... Choosing an appropriate free stream velocity and a cylinder radius, plot the stream function and potential function around the cylinder with “line-contours” using a software such as MATLAB (available in most computers in our labs). 4. Consider a long section of a large pipe half buried into the grou ...
Recent experimental work on Mach effect thrusters
... • A Mach Effect Thruster [MET] is a solid state device that produces thrust without the irreversible ejection of propellant. • METs are not “free energy” devices. They require a power source to operate. • Power can be supplied, for orbital spacecraft, by solar arrays or onboard reactors. • Since MET ...
... • A Mach Effect Thruster [MET] is a solid state device that produces thrust without the irreversible ejection of propellant. • METs are not “free energy” devices. They require a power source to operate. • Power can be supplied, for orbital spacecraft, by solar arrays or onboard reactors. • Since MET ...
MA3842 - Fluid Dynamics. Question Sheet 6. Potential Flow. 1. (a
... the pressure is a minimum. Mark these points on a rough sketch of the flow. In which direction do you think the net force on the cylinder will act? 7. Fig. 1 shows a flow that is anti-parallel to the x axis at x → ∞, that encounters a wedge with an angle 2π/3. Use a suitable conformal mapping to rel ...
... the pressure is a minimum. Mark these points on a rough sketch of the flow. In which direction do you think the net force on the cylinder will act? 7. Fig. 1 shows a flow that is anti-parallel to the x axis at x → ∞, that encounters a wedge with an angle 2π/3. Use a suitable conformal mapping to rel ...
Fluids
... – Buoyant force equals weight of fluid displaced – If an object’s density is greater than 1.0g/cm3 it will sink in fresh water, if it is smaller than this it will float. – An iceberg is 91% underwater! ...
... – Buoyant force equals weight of fluid displaced – If an object’s density is greater than 1.0g/cm3 it will sink in fresh water, if it is smaller than this it will float. – An iceberg is 91% underwater! ...
UNITY****
... m : The kinematic viscosity of the fluid ([Pa·s], [N·s/m²] , [kg/(m·s)]) : The density of the fluid [kg/m³] (1.203 kg/m³) ...
... m : The kinematic viscosity of the fluid ([Pa·s], [N·s/m²] , [kg/(m·s)]) : The density of the fluid [kg/m³] (1.203 kg/m³) ...
Control of flapwise vibrations in wind turbine blades using
... with changing parameters in the turbine. The parameters considered were the rotational speed of the blades and the stiffness of the blades and nacelle. Two techniques have been employed to determine the natural frequency of a rotating blade. The first employs the Frobenius method to a rotating Bernou ...
... with changing parameters in the turbine. The parameters considered were the rotational speed of the blades and the stiffness of the blades and nacelle. Two techniques have been employed to determine the natural frequency of a rotating blade. The first employs the Frobenius method to a rotating Bernou ...
Problem Sheet 3
... of its limiting value is 2L/ 2gh. Verify that this time is roughly 3s for a garden hose L = 9m long supplied by a rainwater tank for which h = 1.8m. 2. A sphere is immersed in an infinite ocean of inviscid fluid of density ρ that is initially at rest. The radius of the sphere oscillates in time acco ...
... of its limiting value is 2L/ 2gh. Verify that this time is roughly 3s for a garden hose L = 9m long supplied by a rainwater tank for which h = 1.8m. 2. A sphere is immersed in an infinite ocean of inviscid fluid of density ρ that is initially at rest. The radius of the sphere oscillates in time acco ...
Coriolis effect - public.asu.edu
... Term (A): Coriolis force Term (B): Centrifugal force They are "fictitious forces" that arises from the coordinate transformation. They are perpendicular to the velocity vector so can only act to change the "direction" of motion but not the net kinetic energy of the flow. Expanding ...
... Term (A): Coriolis force Term (B): Centrifugal force They are "fictitious forces" that arises from the coordinate transformation. They are perpendicular to the velocity vector so can only act to change the "direction" of motion but not the net kinetic energy of the flow. Expanding ...
Week 7 Lecture
... • Turns are classified by the amount of bank angle used – Medium level turn: level flight with a 20° to 30° bank angle – Climbing turn: during a steady climb, keep the bank angle 15° or less to maintain the climb rate – Descending turn: keep the bank angle 30° or less to avoid high descent rates – G ...
... • Turns are classified by the amount of bank angle used – Medium level turn: level flight with a 20° to 30° bank angle – Climbing turn: during a steady climb, keep the bank angle 15° or less to maintain the climb rate – Descending turn: keep the bank angle 30° or less to avoid high descent rates – G ...
CUA Hovercraft
... lift fan and people working around the craft • Able to withstand a person falling against it • Provides sufficient barrier between fingers and ...
... lift fan and people working around the craft • Able to withstand a person falling against it • Provides sufficient barrier between fingers and ...
File - Hornet Science
... air, and the velocity of the aircraft. Like lift, we collect all of the individual components' drags and combine them into a single aircraft drag magnitude. And like lift, drag acts through the aircraft center of pressure. ...
... air, and the velocity of the aircraft. Like lift, we collect all of the individual components' drags and combine them into a single aircraft drag magnitude. And like lift, drag acts through the aircraft center of pressure. ...