Saybolt Viscosity Formula:
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Definition: Saybolt Method Viscosity is a measure of a fluid's resistance to flow, expressed in centistokes.
Purpose: It's commonly used in petroleum and lubricant industries to characterize the flow properties of oils and other fluids.
The calculator uses the formula:
Where:
Explanation: The formula converts the measured flow time into kinematic viscosity in centistokes.
Details: Viscosity is crucial for determining lubrication properties, flow characteristics, and performance of fluids in various applications.
Tips: Enter the measured flow time in seconds. The value must be greater than 0.
Q1: What is a typical Saybolt viscosity range for engine oils?
A: SAE 30 oil typically has a Saybolt Universal viscosity of about 400-500 seconds at 100°F.
Q2: How does temperature affect Saybolt viscosity?
A: Viscosity decreases as temperature increases. Measurements should always specify the test temperature.
Q3: What's the difference between Saybolt Universal and Saybolt Furol?
A: Saybolt Furol is used for heavier, more viscous fluids and has a larger orifice than the Universal viscometer.
Q4: What is the minimum time required for accurate measurement?
A: For reliable results, the flow time should be at least 30 seconds.
Q5: How does Saybolt viscosity compare to kinematic viscosity?
A: Saybolt seconds can be converted to kinematic viscosity (centistokes) using this calculator's formula.