Quick Answer
Calculate Pump Impeller Diameter Trim Ratio via Hydraulic Similarity Law
Calculator
Result Interpretation
Pump Impeller Diameter Trim Ratio via Hydraulic Similarity Law Calculator computes Impeller Diameter Ratio (D_trimmed / D_original) in dimensionless using the defined engineering formula and the input values provided.
Worked Example
Verified calculation
Given:
- Required Head Ratio (H_target / H_original) = 0.64
Expected Result:
- Impeller Diameter Ratio (D_trimmed / D_original) = 0.8
Engineering Interpretation:
Under the given input conditions, the calculated result is: Impeller Diameter Ratio (D_trimmed / D_original) = 0.8 dimensionless.
The actual numerical result is computed by the Runtime engine using the persisted tool definition. The values shown here come from automatically validated test cases.
Formula / Method
D_trimmed / D_original = sqrt(H_target / H_original)Formula family: formula_pump_pump_impeller_diameter_trim_calculator
Variables
| Symbol | Label | Role | Description |
|---|---|---|---|
| head_ratio | Required Head Ratio (H_target / H_original) | INPUT | Required Head Ratio (H_target / H_original) |
| impeller_diameter_ratio | Impeller Diameter Ratio (D_trimmed / D_original) | OUTPUT | Impeller Diameter Ratio (D_trimmed / D_original) |
Calculation Steps
- Enter the required head ratio (h_target / h_original) in dimensionless.
- Step 1: Compute impeller diameter ratio (d_trimmed / d_original).
- Read the impeller diameter ratio (d_trimmed / d_original) (dimensionless) from the results.
Engineering Summary
Calculate Pump Impeller Diameter Trim Ratio via Hydraulic Similarity Law
Frequently Asked Questions
What does this calculator calculate?
The Pump Impeller Diameter Trim Ratio via Hydraulic Similarity Law Calculator estimates Impeller Diameter Ratio (D_trimmed / D_original) based on the input parameters you provide
Why is required head ratio (h_target / h_original) important in this calculation?
required head ratio (h_target / h_original) is directly proportional to impeller diameter ratio (d_trimmed / d_original). When you enter required head ratio (h_target / h_original) in dimensionless, the calculator uses it in the engineering formula to compute the output
How should I interpret the result impeller diameter ratio (d_trimmed / d_original)?
The calculator outputs impeller diameter ratio (d_trimmed / d_original) in dimensionless. The result is computed directly from the input values using the defined engineering formula
What units should I use for the inputs?
Enter each value in the units shown next to the input field: Required Head Ratio (H_target / H_original) (dimensionless). Make sure all inputs use the specified units for consistent results
What assumptions does this calculator use?
This calculator uses automatically validated engineering formulas. Results are approximate and should be validated against site-specific conditions, applicable codes, and professional engineering judgment
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