Harish Ganesh
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View article: Examination of ventilated cavities in the wake of a two-dimensional bluff body using X-ray densitometry
Examination of ventilated cavities in the wake of a two-dimensional bluff body using X-ray densitometry Open
Ventilated cavities in the wake of a two-dimensional bluff body are studied experimentally via time-resolved X-ray densitometry. With a systematic variation of flow velocity and gas injection rate, expressed as Froude number ( $\textit{Fr}…
View article: Examination of ventilated cavities in the wake of a two-dimensional bluff body
Examination of ventilated cavities in the wake of a two-dimensional bluff body Open
Ventilated cavities in the wake of a two-dimensional bluff body are studied experimentally via time-resolved X-ray densitometry. With a systematic variation of flow velocity and gas injection rate, expressed as Froude number ($Fr$) and ven…
View article: Partial cavity shedding on a hydrofoil resulting from re-entrant flow and bubbly shock waves
Partial cavity shedding on a hydrofoil resulting from re-entrant flow and bubbly shock waves Open
Partial cavity flows forming on a NACA0015 hydrofoil are visualized using high-speed cinematography and time-resolved X-ray densitometry. These observations reveal the underlying flow features that lead to the cloud cavity shedding. Previo…
View article: A Hybrid Framework for Intrusion Detection in Healthcare Systems Using Deep Learning
A Hybrid Framework for Intrusion Detection in Healthcare Systems Using Deep Learning Open
The unbounded increase in network traffic and user data has made it difficult for network intrusion detection systems to be abreast and perform well. Intrusion Systems are crucial in e-healthcare since the patients' medical records should …
View article: Cavitation dynamics and vortex shedding in the wake of a bluff body
Cavitation dynamics and vortex shedding in the wake of a bluff body Open
View article: Cavitating Flow Behind a Backward Facing Step
Cavitating Flow Behind a Backward Facing Step Open
Flow topology and unsteady cavitation dynamics in the wake of a backward facing step was investigated using high speed videography and time-resolved X-Ray densitometry, along with static and dynamic pressure measurements. The measurements …
View article: Cavitation Dynamics in Wakes Behind Bluff Bodies
Cavitation Dynamics in Wakes Behind Bluff Bodies Open
Properties of wakes behind bluff bodies such as shedding frequency, vortex spacing, and drag change with the presence of cavitation. As extent of cavitation in the wake increases from inception to an attached super-cavity, wake shedding St…
View article: An Experimental Study of Unsteady Behaviour of Cavity Flow Over a 2-D Wall-Mounted Fence
An Experimental Study of Unsteady Behaviour of Cavity Flow Over a 2-D Wall-Mounted Fence Open
The unsteady behaviour of ventilated and natural cavity flows over a 2-D wall-mounted fence is investigated for fixed length cavities with varying free-stream velocity using still imaging, X-ray densitometry and dynamic surface pressure me…
View article: Synchronized X-ray Densitometry and Surface Pressure Measurements on a Cavitating NACA0015 Hydrofoil to Estimate Bubbly Shock Properties
Synchronized X-ray Densitometry and Surface Pressure Measurements on a Cavitating NACA0015 Hydrofoil to Estimate Bubbly Shock Properties Open
Measuring properties of the shock waves and their sensitivity to change in flow conditions can help in the understanding and prediction of the role of propagating bubbly shock waves in the multi-modal cavitation dynamics of NACA0015 hydrof…
View article: Effect of Non-Condensable Gas Injection on Cavitation Dynamics of Partial Cavities
Effect of Non-Condensable Gas Injection on Cavitation Dynamics of Partial Cavities Open
Partial cavities can undergo auto-oscillation causing large pressure pulsations, unsteady loading of machinery and generate significant noise. In the current experiments fully shedding cavities forming in the separated flow region downstre…
View article: Interaction of a Compressible Bubbly Flow With an Obstacle Placed Within a Shedding Partial Cavity
Interaction of a Compressible Bubbly Flow With an Obstacle Placed Within a Shedding Partial Cavity Open
Bubbly shocks act as the dominant mechanism of shedding of partial cavities under certain conditions. The compressible nature of low void fraction regions in a partial cavity can provide conditions necessary for the existence of such bubbl…
View article: Bubbly Shock Propagation as a Cause of Sheet to Cloud Transition of Partial Cavitation and Stationary Cavitation Bubbles Forming on a Delta Wing Vortex.
Bubbly Shock Propagation as a Cause of Sheet to Cloud Transition of Partial Cavitation and Stationary Cavitation Bubbles Forming on a Delta Wing Vortex. Open
a) Bubbly Shock Propagation as a Cause of Sheet to Cloud Transition of Partial Cavitation: Upon changes in the flow conditions, partial cavitation in separated flows can transition from stable partial cavities to periodically growing and c…