Dean R. Giosio
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View article: Sensing Pre- and Post-Ecdysis of Tropical Rock Lobsters, Panulirus ornatus, Using a Low-Cost Novel Spectral Camera
Sensing Pre- and Post-Ecdysis of Tropical Rock Lobsters, Panulirus ornatus, Using a Low-Cost Novel Spectral Camera Open
Tropical rock lobsters (Panulirus ornatus) are a highly cannibalistic species with intermoult animals predominantly attacking animals during ecdysis (moulting). Rapid, positive characterisation of pre-ecdysis lobsters may open a pathway to…
View article: A survey of NDT ultrasound transducers for sensing pre-moult tropical rock lobsters, Panulirus ornatus
A survey of NDT ultrasound transducers for sensing pre-moult tropical rock lobsters, Panulirus ornatus Open
This study examined the novel application of non-destructive testing (NDT) ultrasound for detecting approaching moult in juvenile tropical rock lobsters (TRL), Panulirus ornatus. TRL juveniles are highly cannibalistic in culture, with up t…
View article: Sensing Pre and Post Ecdysis of Tropical Rock Lobsters, <em>Panulirus ornatus</em>, Using Low-Cost Components and Novel Spectral Camera
Sensing Pre and Post Ecdysis of Tropical Rock Lobsters, <em>Panulirus ornatus</em>, Using Low-Cost Components and Novel Spectral Camera Open
Tropical rock lobsters (Panulirus ornatus) are a highly cannibalistic species with intermoult animals predominantly attacking animals during ecdysis (moulting). Rapid, positive characterisation of pre-ecdysis lobsters may open a pathway to…
View article: The Effect of Feed Frequency on Growth, Survival and Behaviour of Juvenile Spiny Lobster (Panulirus ornatus)
The Effect of Feed Frequency on Growth, Survival and Behaviour of Juvenile Spiny Lobster (Panulirus ornatus) Open
Spiny lobsters have a range of complex chemical communication pathways that contribute to feeding behaviour. Feed intake is modulated by feed availability and feed characteristics, such as attractiveness and palatability, with behavioural …
View article: The Influence of Nucleation on the Spectral Content of Cloud Cavitation About a Hydrofoil
The Influence of Nucleation on the Spectral Content of Cloud Cavitation About a Hydrofoil Open
The influence of nucleation on the spectral content of cloud cavitation is investigated using unsteady force measurements and simultaneous high-speed imaging of a rectangular planform NACA-0015 section hydrofoil, with and without upstream …
View article: Towards Real-Time Optical Measurement of Microbubble Content in Hydrodynamic Test Facilities
Towards Real-Time Optical Measurement of Microbubble Content in Hydrodynamic Test Facilities Open
Real-time measurement of microbubble concentrations is desirable in order to inform experimental results, particularly in studies of cavitation physics. To develop these capabilities a controlled experiment using a micro-fluidic T-junction…
View article: Global Mode Visualization in Cavitating Flows
Global Mode Visualization in Cavitating Flows Open
A technique for visualising global frequency modes and phasing information is presented using fast Fourier transforms applied to individual pixel intensities of high-speed photography image frames. A singular value decomposition is applied…
View article: The Influence of Fluid-Structure Interaction on Cloud Cavitation About a Hydrofoil
The Influence of Fluid-Structure Interaction on Cloud Cavitation About a Hydrofoil Open
The dynamics of cloud cavitation about rigid and flexible 3D hydrofoils is investigated in a cavitation tunnel. The two hydrofoils have identical undeformed geometry of tapered planform, NACA-0009 section and cantilevered setup at the hydr…
View article: The influence of nuclei content on cloud cavitation about a hydrofoil
The influence of nuclei content on cloud cavitation about a hydrofoil Open
The dynamics of cloud cavitation about a 3D hydrofoil are investigated experimentally in a cavitation tunnel with both an abundance and dearth of freestream nuclei. The rectangular-planform, NACA 0015 hydrofoil was tested at a Reynolds num…
View article: Rapid Reserve Generation from a Francis Turbine for System Frequency Control
Rapid Reserve Generation from a Francis Turbine for System Frequency Control Open
The increase in contributions from non base load renewables, such as wind and solar, can have adverse effects on the stability of an electrical grid. In this study, the possibility of rapidly loading a Francis turbine from a tail water dep…
View article: Cloud cavitation behaviour on a hydrofoil due to fluid-structure interaction
Cloud cavitation behaviour on a hydrofoil due to fluid-structure interaction Open
Despite recent extensive research into fluid-structure interaction (FSI) of cavitating hydrofoils there remains insufficient experimental data to explain many of these observed phenomena. The cloud cavitation behaviour around a hydrofoil d…
View article: Physics Based Hydraulic Turbine Model for System Dynamics Studies
Physics Based Hydraulic Turbine Model for System Dynamics Studies Open
A one-dimensional numerical model of a Francis turbine hydropower plant for dynamic response studies is presented with an alternate representation of the turbine unit component. The conventional, simplified representation of the hydraulic …