Glycerine Density-Temperature Relationship
Interactive simulation of volumetric thermal expansion
Temperature Change (ΔT)
30°CAdjust to change the temperature difference
Initial Density (ρ₀)
1260 kg/m³Standard range: 1200-1300 kg/m³ at 20°C
Thermodynamic Principles
Δρ/ρ₀ = αv·ΔT
- Δρ/ρ₀: Fractional change in density (dimensionless)
- αv: Coefficient of volume expansion (49 × 10-5 K-1 for glycerine)
- ΔT: Temperature change (K or °C)
Current fractional change: 0.0147 (1.47% decrease in density)
This simulation demonstrates how the density of glycerine changes with temperature due to thermal expansion. As temperature increases, the volume expands while mass remains constant, resulting in decreased density.
The coefficient of volume expansion (αv) quantifies this relationship. For glycerine at 20°C, αv = 49 × 10-5 K-1, meaning it expands significantly with temperature compared to many other liquids.
