r a c t The three-dimensional flow field and the flow pathlines within a Tesla disc turbine have been investigated analytically and computationally. The description of the flow field includes the three-dimensional variation of the radial velocity‚ tangential velocity and pressure of the fluid in the flow passages within the rotating discs. A detailed comparison between the results obtained from the analytical theory and computational fluid dynamic (CFD) solutions of Navier–Stokes equations is presented
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meters 10 meters 2 meters 8. A bicyclist going south at 5 m/s passes a bicyclist going north at 5 m/s‚ they have the same? (2.09-2.11) 9. Define acceleration‚ speed‚ velocity‚ distance and displacement. (2.01‚ 2.16‚ 2.19) 10. The slope of a Velocity versus Time graph will tell you the object’s what (2.23) 11. On a velocity versus time graph the quantity the area between the graph line and the x-axis represents the change in ________________________ of the object. Refer to image below for
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a rotating turntable. The different vectors representing velocity for the travelling marble are shown below. Notice that the size of the vector remains the same but the direction is constantly changing. Because the direction is changing‚ there is a ∆v and ∆v = vf - vi ‚ and since velocity is changing‚ circular motion must also be accelerated motion. vi ∆v vf -vi vf2 If the ∆t in-between initial velocity and final velocity is small‚ the direction of ∆v is nearly radial (i.e. directed
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acceleration of -1.5m/s2. What is the final velocity of the car? How far does the car travel in this time interval? vf = vi + a(Dt) or vf = (0 m/s) + (-1.5 m/s2)(5.0 s) = -7.5 m/s Dx = vi(Dt) + 1/2a(Dt)2= Dx = (0)(5.0 s) + 1/2(-1.5 m/s2)(5.0 s)2 = -18.75 m or -19 m (sig figs). 2E 1. Find the velocity after the stroller has traveled 6.32 m. (A person pushing a stroller starts from rest‚ uniformly accelerating at a rate of 0.500m/s2. What is the velocity of the stroller after it has traveled 4.75m
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Name _ ___________________ Motion in 2D Simulation Go to http://phet.colorado.edu/simulations/sims.php?sim=Motion_in_2D and click on Run Now. 1) Once the simulation opens‚ click on ‘Show Both’ for Velocity and Acceleration at the top of the page. Now click and drag the red ball around the screen. Make 3 observations about the blue and green arrows (also called vectors) as you drag the ball around. 1. The green vector moves in the direction of the mouse until the red ball catches up to
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and observed. This kind of mechanism is very commonplace in machines. Machines are made up of a number of parts and relative motion between the various parts permits the working of the machine. As the crank is rotated the rod starts moving but the velocity is not uniform. It is greater towards one direction than the other. This principle is utilized extensively in some machines. Aim Understand the relative motion of the rotational and sliding joint. Understand the movement of the rotational and
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Sample Laboratory Report On the pages that follow a sample laboratory report is shown. The large numbers shown on the report correspond to numbers in parentheses in the discussion that follows. This sample report is to be used only as a general guide. Your laboratory instructor may have additional specific instructions and requirements for your laboratory reports. Each report should be clearly identified with (1) a title‚ (2) your name and the name(s) of your partners‚ (3) the date the experiment
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. . . . . . . . . . 1.1.1 1.1.2 1.1.3 Minimum Time for a Vehicle to go from 0 to 60 mph. Minimum Stopping Distance . . . . . . . . . . . . . . Flight of the Bumblebee . . . . . . . . . . . . . . . . . 5 7 7 7 8 8 11 2 Bouncing Ball 3 Maximum Velocity in a Quarter Mile 1 4 Rolling Up A Ramp 4.1 4.2 Maximum Height of Ball . . . . . . . . . . . . . . . . . . . . . Hoop‚ Disk‚ Cylinder and Sphere . . . . . . . . . . . . . . . . 11 11 13 14 15 17 18 18 19 20 22 24 24 26 27 28 28 30 5 Height
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Grade 9 Science – Trolley Lab -‐ Luca Weller – AOI: Environment – 17/9/13 D.4 Materials: -‐1 trolley that will be accelerated -‐1 string to connect the trolley and the weights (ca. 2m) -‐1 set of weights that will accelerate the trolley (up to 5N) -‐1 a.m
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window corner B. How much time passes between appearance and disappearance of the upper edge of the wall? 19. The initial velocity and acceleration of four moving objects at a given instant in time are given in the following table. Determine the final speed of each of the objects‚ assuming that the time elapsed since t = 0 s is 2.0 s. Initial velocity v0 Acceleration a (a) +12 m/s +3.0 m/s2 (b) +12 m/s -3.0 m/s2 (c) -12 m/s +3.0 m/s2 (d) -12 m/s -3.0 m/s2 29. A jogger accelerates
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