Heat Transfer & Insulation
Thermal R-Value Simulator
Analyze thermal resistance (R-value), thermal transmittance (U-value), and conductive heat flux dynamics. Modify wall thickness and material properties to observe real-time insulation performance gradients.
Insulation Type
Fiberglass
Material selected
Sample Nodes
50 steps
Resolution sampled
Output Format
CSV
Export ready
Parameters
Material Preset
Animated thickness sweep
Thermal Model Equations
Thermal Resistance (R-value)
R = d / k
Thermal Transmittance (U-value)
U = 1 / R
Heat Flux (Conductive Loss)
q = U * ΔT
Thickness (d) in meters is 0.100 m.
Thermal conductivity (k) is 0.040 W/m·K.
For standard ΔT = 10 K, conductive heat flow is 4.00 W/m².
Thermal Gradient & Heat Flow Diagram
R-Value
2.500m²·K/W
U-Value
0.4000W/m²·K
Heat Flux (ΔT=10K)
4.00W/m²
Thermal Rating
Fair
Insulation Performance Curves
Layer Calculations
| Thickness (mm) | R-Value (m²·K/W) | U-Value (W/m²·K) | Heat Flux (W/m²) |
|---|---|---|---|
| 10 mm | 0.250 | 4.0000 | 40.00 |
| 50 mm | 1.250 | 0.8000 | 8.00 |
| 90 mm | 2.250 | 0.4444 | 4.44 |
| 130 mm | 3.250 | 0.3077 | 3.08 |
| 170 mm | 4.250 | 0.2353 | 2.35 |
| 210 mm | 5.250 | 0.1905 | 1.90 |
| 250 mm | 6.250 | 0.1600 | 1.60 |
| 290 mm | 7.250 | 0.1379 | 1.38 |
| 330 mm | 8.250 | 0.1212 | 1.21 |
| 370 mm | 9.250 | 0.1081 | 1.08 |
| 410 mm | 10.250 | 0.0976 | 0.98 |
| 450 mm | 11.250 | 0.0889 | 0.89 |
| 490 mm | 12.250 | 0.0816 | 0.82 |