Note: Calculations provided on this website are for reference and verification purposes only. Engineers and professionals should independently confirm all results using base principles and industry standards before application.
TFA
The total flow area of all the nozzles in a drillbit. For calculation purposes, fill all inputs and put 0 for excess nozzles.
The formula used is: $$\text{TFA} = \frac{(N_{1}^{2} + N_{2}^{2} + N_{3}^{2} + N_{4}^{2} + ....)}{1303.8} $$
formula shown in Imperial form
Input all the necessary data and press calculate to get the answer
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