(e.g.) Fluid in a reservoir (or) in a settling chamber. 5. Distinguish between static and stagnation pressures. In stagnation pressure state‚ the velocity of the flowing fluid is zero whereas in the static pressure state‚ the fluid velocity is not equal to zero. 6. Differentiate between the static and stagnation temperatures. The actual temperature of the fluid in a particular state is known as “static temperature” whereas the temperature of the fluid when the fluid velocity is zero
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FORM 7 NOTES ‚ EXAMPLES ‚ PROBLEMS & SOLUTIONS Table of Content Chapter Topic Page 1. Mechanics …………………. 2 2. Gravitation …………………. 61 3. Direct Current ………………….. 71 4. Electrostatics …………………. 90 5. Simple Harmonic Motion ……. 116 6. Waves ………………………… 128 7. Magnetism …………………. 156 8. Electromagnetic Induction …… 162 9. Atomic Physics …………. 184 10. Answers …………. 194
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Topics • • • • Introduction Reynolds’ Experiment Dimensional Analysis of Conduit Flow Friction Factor for Fully Developed Laminar Flow Friction Factor for Fully Developed Turbulent Flow Smooth Pipe Law Rough Pipe Law Different Workers Results Application Energy/ pressure loss problem Velocity/ flow rate problem Pipe Sizing Problem • Explicit Equation for Friction Factor CN2122 / CN2122E Main Topics • • • Equivalent Diameter for Non- Circular Conduit
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band car uses potential elastic energy from the rubber bands by turning it to kinetic energy. This kinetic energy is what makes the car move after which the rubber band swiftly returns to its original size and shape. When the band is wound around the axle‚ it is given the potential energy which is energy that is stored for later use. When the rubber band is released the spinning axle turns the potential energy into kinetic energy. This therefore follows that the more the rubber band is wound‚ the more
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science‚ we were paired up in groups to build a car powered only by a rubber band. There was a lot of physics and thought put behind the planning of our car. The rubber band moved the car by storing up elastic potential energy which then turned into kinetic energy when released. Newton’s Laws of Motion also come in handy when thinking about how to keep the car moving. “An object in motion stays in motion.” There was also a lot of thought put into the wheels. We had to be aware of the relation between
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The purpose of this experiment was to find the effect of the distance ran before kicking a soccer ball on the distance the ball travels. The data collected shows that as the distance ran before kicking the ball increased‚ the distance the ball traveled increased. In other words‚ the farther back the person started running towards the ball‚ the farther they were able to kick it. When starting at 0 meters‚ the person had an awkward kick because they weren’t able to get a running start‚ making the ball
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CFD SIMULATION OF HEAT TRANSFER IN SHELL AND TUBE HEAT EXCHANGER KHAIRUN HASMADI OTHMAN A t hesis submitted in fulfillment for the award of the Degree of Bachelor in Che mical Engineering (Gas Technology) Faculty of Che mical and Natural Resources Engineering Universiti Malaysia Pahang APRIL 2009 i ABSTRACT Computational Fluid Dynamic (CFD) is a useful tool in solving and analyzing problems that involve fluid flows‚ while shell and tube heat exchanger is the most common
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cleared of snow‚ the friction between the ground and the skis brings our hero to a halt at point D‚ located at a distance d = 12 m from point C. The descent can be considered frictionless. Take the potential energy to be zero at the bottom of the slope. (a) What is the mechanical energy of James Bond at points A and D? (b) Determine the speed of Bond at position B abd C. (c) What is the work done by friction in the parking lot? (d) Find the magnitude of the average friction force. SOLUTION : (a)
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brake disc giving off heat The heat from a grill used for cooking Water can reflect or absorb radiant energy Soil can absorb radiant energy Light from the sun Heat emitted from a bunsen burner Heat from an overused computer Heat caused by friction Heat emitted from a dryer The heat generated by a light bulb Heat generated through reflection of visible light A window reflects radiant energy Heat created from a stove or oven Heat emitted from a
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Car A uses tires for which the coefficient of static friction is 1.1 on a particular unbanked curve. The maximum speed at which the car can negotiate this curve is 25 m/s. Car B uses tires for which the coefficient of static friction is 0.85 on the same curve. What is the maximum speed at which car B can negotiate the curve? 5. A curve of radius 120 m is banked at an angle of 18°. At what speed can it be negotiated under icy conditions where friction is negligible? 6. . A racetrack has the shape
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