Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
661412 | International Journal of Heat and Mass Transfer | 2009 | 9 Pages |
Abstract
A decompression experiment of a water solution, saturated with methane gas at about 68 atm at room temperature, was done to investigate gas bubble nucleation under shear flow. A pressure reduction from 68 atm to atmospheric pressure is well below the decompression pressure required for spontaneous bubble nucleation of the methane gas, about 120 atm. The application of a shear flow from 5 min before to 1 min after the decompression induced active bubble formation and the final gas content in the solution was reduced substantially, even with the application of low shear rate of 25/s. However, the addition of the surfactant to the solution, which reduces interfacial tension considerably, hindered the bubble nucleation process.
Related Topics
Physical Sciences and Engineering
Chemical Engineering
Fluid Flow and Transfer Processes
Authors
Ho-Young Kwak, Ki-Moon Kang,