Surface Viscosity Calculator

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Colloidal Structures in Surfactant Solutions

BET Adsorption Isotherm

Capillarity and Surface Forces in Liquids (Curved Surfaces)

Freundlich adsorption isotherm

Important Formulas of Adsorption Isotherm

Important Formulas of Colloids

Important Formulas on Surface Tension

Langmuir Adsorption Isotherm

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Specific Surface Area

Critical Packing Parameter

Electrophoresis and other Electrokinetics Phenomena

Micellar Aggregation Number

Tanford Equation

✖The Dynamic Viscosity of a fluid is the measure of its resistance to flow when an external force is applied.ⓘ Dynamic Viscosity [μ_viscosity]			+10% -10%
✖The Thickness of Surface Phase is equal to the range of intermolecular forces of that phase.ⓘ Thickness of Surface Phase [d]			+10% -10%

✖Surface Viscosity is defined as the frictional force resulting due to the interaction between the surface and inner layer of the molecule.ⓘ Surface Viscosity [η_s]

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Formula

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Surface Viscosity

Formula

`"η"_{"s"} = "μ"_{"viscosity"}/"d"`

Example

`"0.049635kg/s"="10.2P"/"20.55m"`

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Surface Viscosity Solution

STEP 0: Pre-Calculation Summary

Formula Used

Surface Viscosity = Dynamic Viscosity/Thickness of Surface Phase
η_s = μ_viscosity/d
This formula uses 3 Variables

Variables Used

Surface Viscosity - (Measured in Kilogram per Second) - Surface Viscosity is defined as the frictional force resulting due to the interaction between the surface and inner layer of the molecule.
Dynamic Viscosity - (Measured in Pascal Second) - The Dynamic Viscosity of a fluid is the measure of its resistance to flow when an external force is applied.
Thickness of Surface Phase - (Measured in Meter) - The Thickness of Surface Phase is equal to the range of intermolecular forces of that phase.

STEP 1: Convert Input(s) to Base Unit

Dynamic Viscosity: 10.2 Poise --> 1.02 Pascal Second (Check conversion here)
Thickness of Surface Phase: 20.55 Meter --> 20.55 Meter No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

η_s = μ_viscosity/d --> 1.02/20.55

Evaluating ... ...

η_s = 0.0496350364963504

STEP 3: Convert Result to Output's Unit

0.0496350364963504 Kilogram per Second --> No Conversion Required

FINAL ANSWER

0.0496350364963504 ≈ 0.049635 Kilogram per Second <-- Surface Viscosity

(Calculation completed in 00.004 seconds)

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Created by Pratibha

Amity Institute Of Applied Sciences (AIAS, Amity University), Noida, India

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University of Hawaiʻi at Mānoa (UH Manoa), Hawaii, USA

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< 8 Specific Surface Area Calculators

Surface Enthalpy given Critical Temperature

Go Surface Enthalpy = (Constant for each Liquid)*(1-(Temperature/Critical Temperature))^(Empirical Factor-1)*(1+((Empirical Factor-1)*(Temperature/Critical Temperature)))

Surface Entropy given Critical Temperature

Go Surface Entropy = Empirical Factor*Constant for each Liquid*(1-(Temperature/Critical Temperature))^(Empirical Factor)-(1/Critical Temperature)

Specific Surface Area for array of n Cylindrical Particles

Go Specific Surface Area = (2/Density)*((1/Cylinder Radius)+(1/Length))

Change in Surface Potential

Go Change in Surface Potential = Surface Potential of Monolayer-Surface Potential of Clean Surface

Surface Viscosity

Go Surface Viscosity = Dynamic Viscosity/Thickness of Surface Phase

Specific Surface Area for Thin Rod

Go Specific Surface Area = (2/Density)*(1/Cylinder Radius)

Specific Surface Area

Go Specific Surface Area = 3/(Density*Radius of Sphere)

Specific Surface Area for Flat Disk

Go Specific Surface Area = (2/Density)*(1/Length)

< 16 Important Formulas of Colloids Calculators

Surface Enthalpy given Critical Temperature

Go Surface Enthalpy = (Constant for each Liquid)*(1-(Temperature/Critical Temperature))^(Empirical Factor-1)*(1+((Empirical Factor-1)*(Temperature/Critical Temperature)))

Surface Entropy given Critical Temperature

Go Surface Entropy = Empirical Factor*Constant for each Liquid*(1-(Temperature/Critical Temperature))^(Empirical Factor)-(1/Critical Temperature)

Ionic Mobility given Zeta Potential using Smoluchowski Equation

Go Ionic Mobility = (Zeta Potential*Relative Permittivity of Solvent)/(4*pi*Dynamic Viscosity of Liquid)

Number of Moles of Surfactant given Critical Micelle Concentration

Go Number of Moles of Surfactant = (Total Concentration of Surfactant-Critical Micelle Concentration)/Degree of Aggregation of Micelle

Zeta Potential using Smoluchowski Equation

Go Zeta Potential = (4*pi*Dynamic Viscosity of Liquid*Ionic Mobility)/Relative Permittivity of Solvent

Micellar Core Radius given Micellar Aggregation Number

Go Micelle Core Radius = ((Micellar Aggregation Number*3*Volume of Hydrophobic Tail)/(4*pi))^(1/3)

Volume of Hydrophobic Tail given Micellar Aggregation Number

Go Volume of Hydrophobic Tail = ((4/3)*pi*(Micelle Core Radius^3))/Micellar Aggregation Number

Micellar Aggregation Number

Go Micellar Aggregation Number = ((4/3)*pi*(Micelle Core Radius^3))/Volume of Hydrophobic Tail

Critical Packing Parameter

Go Critical Packing Parameter = Surfactant Tail Volume/(Optimal Area*Tail Length)

Specific Surface Area for array of n Cylindrical Particles

Go Specific Surface Area = (2/Density)*((1/Cylinder Radius)+(1/Length))

Electrophoretic Mobility of Particle

Go Electrophoretic Mobility = Drift Velocity of Dispersed Particle/Electric Field Intensity

Surface Viscosity

Go Surface Viscosity = Dynamic Viscosity/Thickness of Surface Phase

Critical Chain Length of Hydrocarbon Tail using Tanford Equation

Go Critical Chain Length of Hydrocarbon Tail = (0.154+(0.1265*Number of Carbon Atoms))

Specific Surface Area

Go Specific Surface Area = 3/(Density*Radius of Sphere)

Number of Carbon Atoms given Critical Chain Length of Hydrocarbon

Go Number of Carbon Atoms = (Critical Chain Length of Hydrocarbon Tail-0.154)/0.1265

Volume of Hydrocarbon Chain using Tanford Equation

Go Micelle Core Volume = (27.4+(26.9*Number of Carbon Atoms))*(10^(-3))

Surface Viscosity Formula

Surface Viscosity = Dynamic Viscosity/Thickness of Surface Phase
η_s = μ_viscosity/d

What is the function of Lipid Monolayer?

Lipid monolayers are used as experimental model systems to study the physical-chemical properties of biomembranes. With this purpose, surface pressure/area per molecule isotherms provide a way to obtain information on the packing and compressibility properties of the lipids.

How to Calculate Surface Viscosity?

Surface Viscosity calculator uses Surface Viscosity = Dynamic Viscosity/Thickness of Surface Phase to calculate the Surface Viscosity, The Surface Viscosity formula is defined as the ratio of the viscosity of bulk to the thickness of the surface phase of the monolayer. Surface Viscosity is denoted by η_s symbol.

How to calculate Surface Viscosity using this online calculator? To use this online calculator for Surface Viscosity, enter Dynamic Viscosity (μ_viscosity) & Thickness of Surface Phase (d) and hit the calculate button. Here is how the Surface Viscosity calculation can be explained with given input values -> 0.049635 = 1.02/20.55.

FAQ

What is Surface Viscosity?

The Surface Viscosity formula is defined as the ratio of the viscosity of bulk to the thickness of the surface phase of the monolayer and is represented as η_s = μ_viscosity/d or Surface Viscosity = Dynamic Viscosity/Thickness of Surface Phase. The Dynamic Viscosity of a fluid is the measure of its resistance to flow when an external force is applied & The Thickness of Surface Phase is equal to the range of intermolecular forces of that phase.

How to calculate Surface Viscosity?

The Surface Viscosity formula is defined as the ratio of the viscosity of bulk to the thickness of the surface phase of the monolayer is calculated using Surface Viscosity = Dynamic Viscosity/Thickness of Surface Phase. To calculate Surface Viscosity, you need Dynamic Viscosity (μ_viscosity) & Thickness of Surface Phase (d). With our tool, you need to enter the respective value for Dynamic Viscosity & Thickness of Surface Phase and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

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