PO.ESP.Pump.Efficiency
Description
Calculates pump efficiency from hydraulic and brake HP, [fraction].
Syntax
=PO.ESP.Pump.Efficiency(HP_hyd, BHP)Parameters
| Parameter | Description |
|---|---|
| HP_hyd | Hydraulic horsepower, [HP]. |
| BHP | Brake horsepower, [HP]. |
SI Unit Version
Lambda Name
PO.ESP.Pump.Efficiency.SIFormula
=LAMBDA(HP_hyd, BHP, LET(
HP_hyd_hp, PO.UnitConverter(HP_hyd, "kW", "hp"),
BHP_hp, PO.UnitConverter(BHP, "kW", "hp"),
PO.ESP.Pump.Efficiency(HP_hyd_hp, BHP_hp)))SI Parameters
| Parameter | Unit | Description |
|---|---|---|
HP_hyd |
kW | Hydraulic horsepower, [kW] |
BHP |
kW | Brake horsepower, [kW] |
How to save as a reusable Excel function
LAMBDA is a built-in Excel feature (Microsoft 365) that lets you create custom functions without VBA. The formula above works as-is when pasted into a cell.
To save a LAMBDA as a reusable named function:
- Go to Formulas → Name Manager → New
- Enter a name, e.g.
PO.ESP.Pump.Efficiency.SI - In Refers to, paste the LAMBDA formula without the trailing invocation
(...) - Click OK
Now use =PO.ESP.Pump.Efficiency.SI(...) anywhere in your workbook.