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An experimental investigation of the optical measurement of microbubbles in a confined radial jet
Citation
Trump, MC and De Graaf, KL and Pearce, BW and Brandner, PA, An experimental investigation of the optical measurement of microbubbles in a confined radial jet, Proceedings of the 7th Australian Conference on Laser Diagnostics in Fluid Mechanics and Combustion, 9-11 December 2015, Melbourne, Australia, pp. 29-34. ISBN 978-0-646-94892-8 (2015) [Refereed Conference Paper]
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Official URL: http://aldc.eng.monash.edu/files/7ACLDFMC_Proceedi...
Abstract
An experimental shadowgraphy setup and procedure has been
designed to investigate microbubble size distribution and production
frequency of a mini-tube type microbubble generator
as implemented in the Australian Maritime College Cavitation
Research Laboratory. To overcome the depth-of-field limitations
of traditional shadowgraphy setups, the present study uses
a radial diffuser to reduce the depth of the test volume to 1 mm,
allowing all bubbles to be imaged within the acceptable plane of
focus. Shadowgraphy measurements are made of a microbubble
plume, injected into a uniform, low-turbulence dilution flow
to homogeneously disperse the microbubbles. Bubble shadows
are created with stroboscopic lighting and recorded with a highresolution
digital camera and close-range microscope. Results
show that the dominant size interval for the microbubble generator
used in the current study is 10–15 μm, with a total production
frequency of 1454 kHz.
Item Details
| Item Type: | Refereed Conference Paper |
|---|---|
| Keywords: | micro-bubble size measurement, shadowgraphy, near field microscopy |
| Research Division: | Engineering |
| Research Group: | Maritime Engineering |
| Research Field: | Ship and Platform Hydrodynamics |
| Objective Division: | Manufacturing |
| Objective Group: | Transport Equipment |
| Objective Field: | Nautical Equipment (excl. Yachts) |
| Author: | Trump, MC (Mr Matthew Trump) |
| Author: | De Graaf, KL (Dr Katrina De Graaf) |
| Author: | Pearce, BW (Dr Bryce Pearce) |
| Author: | Brandner, PA (Associate Professor Paul Brandner) |
| ID Code: | 106498 |
| Year Published: | 2015 |
| Deposited By: | NC Maritime Engineering and Hydrodynamics |
| Deposited On: | 2016-02-11 |
| Last Modified: | 2016-08-01 |
| Downloads: | 0 |
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