Description
Subtract run times signed slope from startingHeight for endCenterHeight, then subtract pipeRadius and obstacleHeight for clearance.
Flow calculations relate volume, time, cross-section, velocity, and supplied model parameters. A local ratio or contribution does not by itself solve a complete hydraulic system.
Subtract run times signed slope from startingHeight for endCenterHeight, then subtract pipeRadius and obstacleHeight for clearance.
When to use this tool
Use Hydroponic Return Pipe Slope Clearance when you need one explicit flow component with coherent units and references.
How to use the tool and how it works
- Enter run, slope, startingHeight, obstacleHeight, pipeRadius. Use the units and conventions below.
- Run the tool. Correct any format, range, or cross-field input error before interpreting the output.
- Read endCenterHeight, clearance. Use the output convention below.
Subtract run times signed slope from startingHeight for endCenterHeight, then subtract pipeRadius and obstacleHeight for clearance.1
| Input field | Meaning and units | Accepted input |
|---|---|---|
| run | Run | Required. Finite number; minimum 0. |
| slope | Signed fall per unit horizontal run as a dimensionless fraction. | Required. Finite number. |
| startingHeight | Starting Height | Required. Finite number. |
| obstacleHeight | Obstacle Height | Required. Finite number. |
| pipeRadius | Pipe Radius | Required. Finite number; minimum 0. |
| Output field | Interpretation | Returned shape |
|---|---|---|
| endCenterHeight | End Center Height | Required. Finite number. |
| clearance | Clearance | Required. Finite number. |
{
"input": {
"run": 10,
"slope": 0.02,
"startingHeight": 1,
"obstacleHeight": 0.5,
"pipeRadius": 0.05
},
"output": {
"endCenterHeight": 0.8,
"clearance": 0.25
}
}Limitations and assumptions
- Slope is dimensionless drop/run and heights share one datum and unit; negative clearance is retained, without hydraulic, structural, or installation approval.
- Inputs must satisfy both the field types and the cross-field conditions above. Invalid input causes an error; a successful false flag or documented placeholder is a different result.
- Numeric calculations use binary floating point unless exact decimal-integer arithmetic is explicitly stated. No hidden measurement tolerance or decimal rounding is added; nonfinite or out-of-contract results are rejected. Numeric signed-zero results are exported as zero.
Alternative or Complementary methods
Use surveyed geometry, appropriate calibration, and a complete hydraulic model for operational or design decisions.
References
Similar or alternative tools
- NFT Channel Grade End Height Term
Multiply nonnegative length by signed slope for heightDifference and subtract it from inletHeight for outletHeight.
- NFT Channel Step Joint Height Gap
Compute downstreamElevation+jointLipHeight-upstreamElevation for effectiveStep and subtract it from suppliedAllowedStep for margin.