what is units for coefficient of dynamic viscosity?
in dimensional formula
- Vislavath
- 07 Oct
- 24 Answers
24 Answers
24 Answers
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hello0Modal content
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N-S/m²0Modal content
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N-s/m0Modal content
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ML^-1T^-10Modal content
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pascal second0Modal content
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si unit is N-s/m2 or pa.s & cgs unit is poise, 1 poise= .1 pa.s0Modal content
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ML-1T-1 Or [M]/[LT] in dimensional formula0Modal content
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Ns/m20Modal content
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M/LT0Modal content
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As per Newton’s law of Viscosity:
τ = μ * (du/dy)
where, τ is the shear force ( Newton per meter^2 i.e. N/m^2 ) ; du/dy is the velocity gradient ( u is the velocity (m/s) and y is the thickness of the fluid layer (m) which gives the unit of velcity gradient as per second i.e. /s ) and μ is the coefficient of Viscosity.
∴ μ = τ / (du/dy) i.e. N/ (m^2/s)
Thus, the S.I. units of coefficient of viscosity are: N.s/m^20Modal content
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NS/M^20Modal content
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N-s/m^20Modal content
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[M]/[LT]1Modal content
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pascal sec0Modal content
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N - s / m²11Modal content
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kg/ms0Modal content
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Newton sec. /meter20Modal content
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Poise0Modal content
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pa second-1Modal content
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Newton second/m(square)0Modal content
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