Quick Answer
Calculate Isolation Room Door Air Leakage Flow Rate (ASHRAE 170-2021 Correlation)
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Find Engineering Solutions →Result Interpretation
Isolation Room Door Air Leakage Flow Rate (ASHRAE 170-2021 Correlation) calculator computes Leakage volumetric flow rate in m^3/s using the defined engineering formula and the input values provided. Leakage volumetric flow rate is expressed in m^3/s. No universal acceptance threshold is defined by this calculator.
Worked Example
Verified calculation
Given:
- Discharge coefficient for door gap = 0.61
- Effective leakage area = 0.0004
- Room-to-corridor pressure differential = 25
- Air density at room conditions = 1.204
Expected Result:
- Leakage volumetric flow rate = 0.001759
Engineering Interpretation:
Under the given input conditions, the calculated result is: Leakage volumetric flow rate = 0.001759 m^3/s.
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
leakage volumetric flow rate = discharge coefficient for door gap * effective leakage area * sqrt(2.0 * room-to-corridor pressure differential / air density at room conditions)Formula family: formula_medicalfacilities_isolation_room_door_leakage_flow_rate_calculator
Variables
| Symbol | Label | Role | Description |
|---|---|---|---|
| C_d | Discharge coefficient for door gap | INPUT | Discharge coefficient for door gap |
| A_gap | Effective leakage area | INPUT | Effective leakage area |
| delta_P | Room-to-corridor pressure differential | INPUT | Room-to-corridor pressure differential |
| rho_air | Air density at room conditions | INPUT | Air density at room conditions |
| volumetric_flow_rate | Leakage volumetric flow rate | OUTPUT | Leakage volumetric flow rate |
Calculation Steps
- Enter the discharge coefficient for door gap in dimensionless.
- Enter the effective leakage area in m^2.
- Enter the room-to-corridor pressure differential in Pa.
- Enter the air density at room conditions in kg/m^3.
- Step 1: Compute leakage volumetric flow rate.
- Read the leakage volumetric flow rate (m^3/s) from the results.
Engineering Summary
Calculate Isolation Room Door Air Leakage Flow Rate (ASHRAE 170-2021 Correlation)
Frequently Asked Questions
What does this calculator calculate?
The Isolation Room Door Air Leakage Flow Rate (ASHRAE 170-2021 Correlation) calculator estimates Leakage volumetric flow rate based on the input parameters you provide
Why is discharge coefficient for door gap important in this calculation?
discharge coefficient for door gap is directly proportional to leakage volumetric flow rate. When you enter discharge coefficient for door gap in dimensionless, the calculator uses it in the engineering formula to compute the output
How should I interpret the result leakage volumetric flow rate?
The calculator outputs leakage volumetric flow rate in m^3/s. To convert to liters per second, multiply by 1000. For liters per minute, multiply by 60000. 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: Discharge coefficient for door gap (dimensionless), Effective leakage area (m^2), Room-to-corridor pressure differential (Pa), Air density at room conditions (kg/m^3). 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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