Quick Answer
Calculate Pump Parallel Operation Hydraulic Stability Indicator
Calculator
Result Interpretation
Pump Parallel Operation Hydraulic Stability Indicator Calculator computes Hydraulic Stability Indicator in dimensionless using the defined engineering formula and the input values provided.
Worked Example
Verified calculation
Given:
- System Curve Slope = 150000
- Pump Head Curve Slope at Operating Flow = -95000
Expected Result:
- Hydraulic Stability Indicator = 4.4545454545455
Engineering Interpretation:
Under the given input conditions, the calculated result is: Hydraulic Stability Indicator = 4.4545454545455 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
hydraulic stability indicator = abs((system curve slope - pump head curve slope at operating flow) / (system curve slope + pump head curve slope at operating flow))Formula family: formula_pump_pump_parallel_operation_stability_checker
Variables
| Symbol | Label | Role | Description |
|---|---|---|---|
| system_curve_slope | System Curve Slope | INPUT | System Curve Slope |
| pump_curve_slope_at_Qop | Pump Head Curve Slope at Operating Flow | INPUT | Pump Head Curve Slope at Operating Flow |
| hydraulic_stability_indicator | Hydraulic Stability Indicator | OUTPUT | Hydraulic Stability Indicator |
Calculation Steps
- Enter the system curve slope in Pa/(m3/s)^2.
- Enter the pump head curve slope at operating flow in Pa/(m3/s)^2.
- Step 1: Compute hydraulic stability indicator.
- Read the hydraulic stability indicator (dimensionless) from the results.
Engineering Summary
Calculate Pump Parallel Operation Hydraulic Stability Indicator
Frequently Asked Questions
What does this calculator calculate?
The Pump Parallel Operation Hydraulic Stability Indicator Calculator estimates Hydraulic Stability Indicator based on the input parameters you provide
Why is system curve slope important in this calculation?
system curve slope is directly proportional to hydraulic stability indicator. When you enter system curve slope in Pa/(m3/s)^2, the calculator uses it in the engineering formula to compute the output
How should I interpret the result hydraulic stability indicator?
The calculator outputs hydraulic stability indicator 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: System Curve Slope (Pa/(m3/s)^2), Pump Head Curve Slope at Operating Flow (Pa/(m3/s)^2). 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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