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Cool-test with pre-heating on 16 March

This study investigates the impact of pre-heating on the input enthalpy (Δh) of an evaporator system. Conducted on March 16, the experiment compares pre-heating (10 minutes at 90 W) with varying conditions. Results show Δh values of 3-6 J/g before saturation, contrasting with 6 J/g without pre-heating across different temperatures (-15 to -30°C). This analysis provides insights into mass flow and efficiency improvements with thermal management in evaporative processes, particularly for 'cookies' heating applications.

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Cool-test with pre-heating on 16 March

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  1. Cool-test with pre-heatingon 16 March Input enthalpy Δh=3-6 J/g before saturation Preheating 10 minutes with 90 W Evaporator ‘cookies’ heating 15 W Tjeerd - Nikhef VertexMT

  2. Evaporator temperatures: Δh=6 J/gwithout pre-heating 0 -10 -20 -30 Tjeerd - Nikhef VertexMT

  3. Evaporator temperatures: Δh=3 J/gwith pre-heating -15 -20 -25 Mass flow Pre-heater temperature Tjeerd - Nikhef VertexMT

  4. Evaporator temperatures: withoutand with pre-heating 0 -10 -20 -30 Tjeerd - Nikhef VertexMT

  5. Evaporator T: Δh=6 J/gwith (pre)-heating on 15 March -18 -20 -22 -24 Mass flow Pre-heater temperature Tjeerd - Nikhef VertexMT

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