Quick Answer
The mri surface coil sar estimator (iec 62353-compliant) calculator computes specific absorption rate from the input values you provide.
Calculator
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Find Engineering Solutions →Result Interpretation
MRI Surface Coil SAR Estimator (IEC 62353-compliant) calculator computes Specific Absorption Rate in W/kg using the defined engineering formula and the input values provided. Specific Absorption Rate is expressed in W/kg. No universal acceptance threshold is defined by this calculator.
Worked Example
Verified calculation
Given:
- RMS Electric Field Magnitude = 15
- Tissue Electrical Conductivity = 0.75
- Tissue Mass Density = 1030
Expected Result:
- Specific Absorption Rate = 0.16383495145631
Engineering Interpretation:
Under the given input conditions, the calculated result is: Specific Absorption Rate = 0.16383495145631 W/kg.
The actual numerical result is computed by the Runtime engine using the persisted tool definition. The values shown here come from deterministically validated test cases.
Formula / Method
specific absorption rate = (tissue electrical conductivity * pow(rms electric field magnitude, 2)) / tissue mass densitySpecific Absorption Rate.
Variables
| Symbol | Label | Role | Description |
|---|---|---|---|
| electric_field_rms | RMS Electric Field Magnitude | INPUT | RMS Electric Field Magnitude |
| conductivity | Tissue Electrical Conductivity | INPUT | Tissue Electrical Conductivity |
| mass_density | Tissue Mass Density | INPUT | Tissue Mass Density |
| specific_absorption_rate | Specific Absorption Rate | OUTPUT | Specific Absorption Rate |
Calculation Steps
- Enter the rms electric field magnitude in V/m.
- Enter the tissue electrical conductivity in S/m.
- Enter the tissue mass density in kg/m³.
- Step 1: Compute specific absorption rate.
- Read the specific absorption rate (W/kg) from the results.
Frequently Asked Questions
What does this calculator calculate?
The MRI Surface Coil SAR Estimator (IEC 62353-compliant) calculator estimates Specific Absorption Rate based on the input parameters you provide
Why is rms electric field magnitude important in this calculation?
rms electric field magnitude is used directly in the calculation of specific absorption rate. Its effect on the result depends on the complete formula and the values of the other inputs.. When you enter rms electric field magnitude in V/m, the calculator uses it in the engineering formula to compute the output
How should I interpret the result specific absorption rate?
The calculator outputs specific absorption rate in W/kg. 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: RMS Electric Field Magnitude (V/m), Tissue Electrical Conductivity (S/m), Tissue Mass Density (kg/m³). 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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