Prediction of water droplet evaporation on zircaloy surface

Figures & data

Figure 1. Force balance acting on contact line.

Figure 2. Droplet evaporation modes: (a) CCRM, (b) CCAM, and (c) SM.

Table 1. Properties of zircaloy and other materials (at room temperature).

		Specific heat	Thermal conductivity
Material	Density (ρ, kg/m^3)	(cp, J/kg·K)	(k, W/m·K)	Melting point (K)
Zircaloy [12]	6550	281	12.7	2098
Aluminum [13]	2702	903	237	933
Chromium [13]	7160	449	93.7	2118
Copper [13]	8933	385	401	1358
Gold [13]	19,300	129	317	1336
Stainless steel (AISI 304) [13]	7900	477	14.9	1670

Figure 3. Experimental set-up.

Figure 4. Captured image of a sessile water droplet and definitions of parameters.

Figure 5. Time-dependent normalized droplet volume.

Figure 6. Time-dependent normalized contact angle.

Figure 7. Time-dependent normalized droplet height.

Figure 8. Time-dependent normalized contact diameter.

Figure 9. Force balance acting on contact line during evaporation [14].

Figure 10. Exemplified contours of evaporating water droplet for d_i = 1.76 mm.

Figure 11. Normalized contact angle vs. normalized contact diameter.

Figure 12. Dependency of f(θ) on contact angle in Modes 1 and 2.

Figure 13. Comparison between measured values and proposed correlation.

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