Abstract
This paper aims to examine the effect of nanodroplets on pool-type absorption heat transfer enhancement and to find the relationship between the dispersion stability and the absorption performance. The concentrations of oil and surfactant are considered as the key parameters. C12E4 and Tween20 are used as the surfactants and N-decane oil is added to the NH3/H2O solution to make the binary nanoemulsion fluids. Binary nanoemulsion fluids are dispersed by the ultrasonic vibrator and the stirrer under specific conditions. The dispersion stability of binary nanoemulsion fluids for each oil concentrations is evaluated from the droplet size and Tyndall effect analysis. The absorption performance of binary nanoemulsion fluids is compared with the result of dispersion stability. In addition, it is found that the binary nanoemulsion fluid is a strong candidate as a new working fluid for absorption applications.
| Original language | English |
|---|---|
| Pages (from-to) | 895-900 |
| Number of pages | 6 |
| Journal | Transactions of the Korean Society of Mechanical Engineers, B |
| Volume | 36 |
| Issue number | 9 |
| DOIs | |
| Publication status | Published - 2012 |
| Externally published | Yes |
Keywords
- Absorption performance enhancement
- Absorption system
- Ammonia/water
- Dispersion stability
- Nanoemulsion fluids
ASJC Scopus subject areas
- Mechanical Engineering