Calculation Of Agitator Trimatra Karya

This web application calculates agitator power requirements based on geometry and fluid properties.

Tank Properties

Batch Volume: 0.00 m³

*Volume calculations (Batch Volume) are very important to know the liquid capacity that can be mixed in one production process.

Impeller Properties

Impeller Diameter: 0.00 m

*The diameter of the impeller in an agitator system is very important because it affects several key aspects of mixing in the tank.

Fluid Properties

Density is a measure of the mass of a substance per unit volume. In the context of fluids, density states how dense a liquid or gas is in a certain volume.

Effect of Density in Agitators

Fluid density greatly influences agitator design and performance:

Determine the Force Produced by the Impeller
- The higher the density, the greater the force required to stir the fluid.
- High density fluids require a stronger motor so that stirring remains effective.
Related to the Reynolds Number (Re)
- Density is used in calculating the Reynolds number (Re) to determine whether the flow in a tank is laminar or turbulent.
Affects Power Consumption (Power Requirement)
- The higher the density, the greater the power required for mixing.
Determining Material Selection for Tanks and Agitators
- High density fluid places a greater load on the impeller and tank, so the material must be strong enough to withstand pressure and friction.

Examples of Densities of Some Common Fluids

Fluid	Density (kg/m³)
Water	1000
Palm Oil	900
Liquid Sugar (Syrup)	1350
Alcohol	790
Gasoline	720
Milk	1030
Honey	1420

Viscosity is a measure of a fluids resistance to flow or internal friction that occurs when the fluid moves. In other words, viscosity indicates the degree to which a fluid is "thick" or "slimy." Fluids with high viscosity will flow more slowly, while fluids with low viscosity will flow faster.

Effect of Viscosity in Agitators

Effect on the Power of the Agitator
- Fluids with high viscosity require more force to mix, because the molecules in the fluid have a harder time moving around each other.
- Therefore, a more powerful motor and impeller may be required for viscous fluids such as syrup or oil.
Determine the type of agitator
- For fluids with high viscosity, special impellers such as anchor impellers or paddle impellers are often used, which provide a smoother and more efficient flow in viscous fluids.
Effect on Stirring Speed (RPM)
- Fluids with high viscosity require lower stirring speeds to prevent breakage or liquid separation.
Power and Reynolds Number Calculations
- Viscosity is related to the Reynolds number, where a high viscosity will result in a lower Reynolds number, potentially causing the flow to become more laminar and affecting the choice of impeller type.

Examples of Fluids with different Viscosities

Fluid	Viscosity (cP)
Water	1
Cooking Oil	40
Sugar Syrup	1000
Honey	2000
Tar	100,000

Result

Basic sizing calculations are based on square batch i.e. vessel diameter is equal to liquid level. For different geometries same process results are obtained by using appropriate number of impellers. Actual batch geometry is converted to square geometry, where Teq is the Equivalent diameter.

Calculation

Reynold Number: 0.00 Re

Power Number: 0.00 Np

Power Required 80% 80%: 0.00 W

0.00 KW