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FLUIDS FINALS
  • PJ ZERO

  • 問題数 24 • 1/6/2024

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    問題一覧

  • 1

    Deals with the velocities and streamlines without considering forces of energy

    Fluid Kinematics

  • 2

    Is a system in which working substance does not cross it's boundaries but energy crosses it's boundaries.

    Closed System

  • 3

    Is a pressure measuring instrument, used to measure atmospheric pressure

    Barometer

  • 4

    is the simplest form of Manometer, which is a tube tapped into wall of a container or conduit for the purpose of measuring the pressure

    Piezometer

  • 5

    is the study of the mechanics of fluids at rest

    Fluid Statics

  • 6

    is the resistance of fluid to change its volume in a confined space

    Compressibility

  • 7

    the curved free surface of a liquid in a capillary tube

    Meniscus

  • 8

    is a measure of the resistance to flow of a fluid, or it may be defined as the ratio of the shearing stress or force between adjacent layers of fluid

    Viscosity

  • 9

    work required to move the fluid through the control volume due to its own mass.

    Flow Work or Flow Energy

  • 10

    can be viewed as a conservation of energy law for a flowing fluid

    Bernoulli's Equation

  • 11

    is the most commonly used pressure measuring instrument

    Bourdon Gauge

  • 12

    is one in which there is no friction nor viscosity

    Ideal or Perfect Fluid

  • 13

    Characterized by smooth streamlines highly ordered motion

    Laminar Flow

  • 14

    Characterized by velocity fluctuation and highly disordered motion

    Turbulent Flow

  • 15

    is encountered when highly viscous fluids such as oils flow in small pipes or narrow passages.

    Laminar Flow

  • 16

    discovered that the flow regime depends mainly on the ratio of inertial forces to viscous forces in the fluid.

    Osborne Reynolds

  • 17

    This ratio is also called

    Reynolds Number

  • 18

    usually taken to be the distance from the pipe entrance

    Hydrodynamic Entry Length

  • 19

    fully developed internal flows laminar or turbulent

    Pressure Loss

  • 20

    fully developed internal flows laminar or turbulent

    Head Loss

  • 21

    -use to overcome pressure loss

    Pumping Power

  • 22

    rapid fluctuations of swirling regions

    Eddies

  • 23

    friction factor in fully developed turbulent pipe

    Moody Chart

  • 24

    losses due to fittings, valves, bends, elbows, tees..

    Minor Losses