A novel method for measuring spatial uniformity of irregular boiling bubbles in a direct contact heat exchanger

Q Wang, J Huang, J Pan, H Wang… - International Journal of …, 2020 - Wiley Online Library
… accurate measurement of spatial uniformity based on gray … spatial uniformity of boiling
bubbles. This work could also be applied to study a variety of problems involving spatial uniformity

Experimental investigation of bubble group and temperature distribution uniformity in the direct contact boiling heat transfer process

B Li, Z Li, P Yang, J Xu, H Wang - Experimental Thermal and Fluid Science, 2022 - Elsevier
… images of bubbles during the direct contact boiling process. To this end, spatial resolution
… and the relationship between the uniformity of bubbling distribution and VHTC is evaluated. …

Bubble dynamic parameters during subcooled flow boiling under uniform and non-uniform transverse heat distribution

OS Al-Yahia, HJ Yoon, D Jo - International Journal of Heat and Mass …, 2019 - Elsevier
… The results indicate that the bubbles exhibit … , bubbles are generated uniformly across the
whole transverse direction of the heated surface. In the non-uniform case, more bubbles are …

Quantifying the evolution of flow boiling bubbles by statistical testing and image analysis: toward a general model

Q Xiao, J Xu, H Wang - Scientific Reports, 2016 - nature.com
… the luminance space distribution behind the viewing windows in the direct contact boiling
heat … In this study, the mixing uniformity influenced by a fixed light in a DCHE was investigated …

Enhancing thermal stability and uniformity in boiling heat transfer using micro-nano hybrid surfaces (MNHS)

D Lee, N Lee, DI Shim, BS Kim, HH Cho - Applied Thermal Engineering, 2018 - Elsevier
… a large spatial and temporal vacant area between the bubbles to contact with the boiling
Moreover, the small, fast, and arranged dispersed bubbles generated on the MNHS enable …

Enhanced thermal uniformity and stability in pool boiling heat transfer using ultrasonic actuation

D Lee, JS Lim, N Lee, HH Cho - International Communications in Heat and …, 2019 - Elsevier
bubbles and not by cavitation bubbles, where ultrasonic actuation reduces the interfacial
forces of the vapor bubbles, … not only boiling heat transfer but also spatial/temporal temperature …

Boiling heat transfer and bubble distribution on inhomogeneous wetting surface patterned with Sierpinski carpet

T Yu, C Cui, B Qi, J Wei, J Yuan, MA Qaisrani - Applied Thermal …, 2020 - Elsevier
… of bubbles size distribution and enhancing boiling heat transfer … continuously to ensure
the uniformity of concentration and … , and the spatial and size distribution of bubbles present …

Bubble behaviors and flow boiling characteristics in open microchannels with large aspect ratio

Q Zhao, D Zhang, J Qiu, M Lu, J Zhou… - Applied Thermal …, 2022 - Elsevier
bubbles and impeded the replenishment of fluid. Up to date, there were several researchers
investigating the flow boiling … and render vapor expansion space to restrain flow reversal. …

A novel approach for measuring bubbles uniformity and mixing efficiency in a direct contact heat exchanger

Y Fei, Q Xiao, J Xu, J Pan, S Wang, H Wang, J Huang - Energy, 2015 - Elsevier
Boiling heat transfer is one of the most efficient kinds of heat … space-time features can be
quantified by means of uniformity … to measure the space-time uniformity and mixing efficiency of …

Large-scale generation of patterned bubble arrays on printed bi-functional boiling surfaces

CH Choi, M David, Z Gao, A Chang, M Allen, H Wang… - Scientific reports, 2016 - nature.com
… reported that spatial control would be beneficial in flow boiling … In this study, we report novel
bi-functional boiling surfaces … -scale, patterned arrays of bubbles via controlling the bubble …