and Computer Graphics 11‚ 6 (November 2005)‚ 744–756. [KKW05] MANN [Lan94] L ANE D. A.: UFAT: A particle tracer for timedependent flow fields. In Proc. IEEE Visualization (1994)‚ pp. 257–264. [MCG94] M AX N.‚ C RAWFIS R.‚ G RANT C.: Visualizing 3D velocity fields near contour surfaces. In Proc. IEEE Visualization (1994)‚ pp. 248–255. [OLG∗ 05] OWENS J. D.‚ L UEBKE D.‚ G OVINDARAJU N.‚ H ARRIS M.‚ K RÜGER J.‚ L EFOHN A. E.‚ P URCELL T. J.: A survey of general-purpose computation on graphics hardware
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Review Bubble column reactors Nigar Kantarcia‚ Fahir Borakb‚ Kutlu O. Ulgena‚* aDepartment of Chemical Engineering‚ Bog˘azic¸i University‚ 34342 Bebek-Istanbul‚ Turkey bDepartment of Chemical Engineering‚ Yeditepe University‚ 34755 Kadikoy-Istanbul‚ Turkey Received 31 August 2004; accepted 26 October 2004 Abstract Bubble columns are intensively used as multiphase contactors and reactors in chemical‚ biochemical and petrochemical industries. They provide several advantages during operation
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UNIT 1 Modern Physics 1.1 CLASSICAL PHYSICS Newtons laws of motion are the basis of the most elementary principles of classical physics. Equations based on these laws are the simplest and they are suitable for solution of simple dynamical problems‚ such as the motion of macroscopic bodies‚ Lagranges equations‚ Hamiltons equations and Hamiltons principle are also fundamental principles of classical mechanics‚ because they are consistent with each other and with Newtons laws of
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What is momentum? Momentum of a body is defined as the mass multiplied by the velocity of this object. Momentum= m x v Momentum and Newton’s second law of motion: The resultant force is proportional to the change in momentum per a second. We know that force = mass x acceleration. So F (mv-mu)/t F m (v-u)/t = ma so F=kma Momentum is a vector quantity: Momentum has a direction as well as a magnitude Momentum and Newton’s first law of motion: An object remains at
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ULTRASONIC TESTING (UT) USEFUL FORMULAE 1. Velocity of Ultrasonic Waves in a medium (V) = f x l OR W here f = Number of cycles per second is called frequency. Measured in ‘Hertz’. Abbreviated as ‘Hz’. One Hertz is equivalent to One cycle per second l = Distance covered in one cycle is wavelength V= Velocity of Ultrasonic wave inside the medium in ‘mm/s’ 2. A coustic Impedance (Z) = V x r W here: Z= Acoustic Impedance r= D ensity V= Velocity 3. R eflection Coefficient W here:
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throat and exit areas of a nozzle to expand air at a rate of 4.5 kg/s from 8.3 bar‚ 327 0C into a space at 1.38 bar. Neglect the inlet velocity and assume isentropic flow. 3290 mm2; 4840 mm2 Problem 2 It is required to produce a stream of helium at the rate of 0.1 kg/s travelling at sonic velocity at a temperature of 150C. Assume isentropic flow‚ negligible inlet velocity and a back pressure (= exit pressure) of 1.013 bar‚ calculate: (i) the required inlet pressure and temperature; (ii) The exit area
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which can be expressed as equation 1. (1) Here‚ B is termed the permeability coefficient and is dependent only on the physical properties of the bed. is the viscosity of the fluid and is the bed thickness. is the average velocity of the fluid and is the pressure drop. Alternatively
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Centripetal Force: The center-seeking force Group Members: Joshua Velez‚ Patrick Hannigan-Devine‚ and Eric Guidarelli PURPOSE: To move in a circle F=ma is required‚ where acceleration being the rate of change of velocity with velocity being both magnitude and direction. Magnitude of acceleration can be found by a=v2R. The relation of these two is found in centripetal force F=mv2R. This lab will prove the relation of the first two equations. EQUIPMENT: * Centripetal Force Apparatus
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tug-of-war that results in one team pulling the other across the line is an example of unbalanced forces Acceleration is defined as the change in velocity divided by An airplane is flying at 635 km per hour at an altitude of 35 000 m. It is currently over Kansas and is approximately 16 minutes ahead of its scheduled arrival time. What is its velocity? time This cannot be determined without further information. An object is in motion when Earth pulls on the moon and holds the moon in its
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2-7-1 Column of Air Resonance and the Velocity of Sound This activity uses the resonance of a column of air to measure the velocity of sound. English Activity: Setup í Equipment Glass Resonance Tube (Uniform Inside Diameter‚ With Scale Markings) Rubber Tube Reservoir Stand Low Frequency Generator (or Tuning Fork) Audio Measurement Setup (EA-200‚ graphic scientific calculator‚ data communication cable) Temperature Measurement Setup (EA-200‚ graphic scientific calculator‚ data communication
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