Noyes-Whitney Dissolution Rate and Mass Transfer Coefficient
Calculates the mass transfer coefficient of a dissolving spherical particle in a stirred tank based on mass loss and geometric changes over time.
📖 Need the theory? Read the methodology, assumptions, and equations in the full reference guide.
1. Define Input Parameters
2. Engineering Output
Initial Volume (V_initial)
- m^3
- m^3
Final Mass (m_final)
- kg
- kg
Final Volume (V_final)
- m^3
- m^3
Initial Radius (r_initial)
- m
- m
Final Radius (r_final)
- m
- m
Average Radius (r_avg)
- m
- m
Average Surface Area (A_avg)
- m^2
- m^2
Mass Transfer Coefficient (k)
- m/s
- m/s
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Download Offline Excel CalculationContext & Assumptions
In process engineering, managing solid-liquid interfaces is crucial for characterizing dissolution kinetics in vessels. This calculator uses the Noyes-Whitney model to determine the mass transfer coefficient of a spherical particle. It tracks the change in particle mass and geometry over a specified time interval to evaluate dissolution rates.
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