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레이놀즈 결과

저작시기 2014.04 |등록일 2014.10.31 한글파일한글 (hwp) | 7페이지 | 가격 1,000원

목차

1. Objective
2. Theory
3. Experiment equipment
4. Experimental Procedure
5. Experiment Data
6. Discussion

본문내용

◆Objective
The objective of this experiment is to demonstrate the differences between laminar, turbulent, and transitional fluid flow, and to determine the conditions under which these types of flow occurs.

◆Theory
The Reynolds number (Re) is a dimensionless number that give a measure of the ratio of inertial forces to viscous forces and consequently quantifies the relative importance of these two types of forces for given flow conditi-
ons. Reynolds numbers frequently arise when performing dimensional anays-
is of fluid dynamics problems, and as such can be used to determine dyna-
mic similitude between different experimental cases. They are also used to characterize different flow regimes, such as laminar or turbulent flow : laiminar flow occurs at low Reynolds numbers, where viscous forces are dominant, and is characterized by smooth, constant fluid motion; turbulent flow occurs at high Reynolds numbers and is dominated by inertial forces, which tend to produce chaotic eddies, vortices and other flow instabilities.

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