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Primary (Shear) Breakup in Underwater Jet Flows - Formation of Droplets from Ligaments
Primary (Shear) Breakup in Underwater Jet Flows - Formation of Droplets from Ligaments
Understanding the primary (shear) breakup in jet flows and the formation of droplets from ligaments is important to determine the final droplet size distribution (DSD). The initial droplet size, which affects the final DSD, is considered to be generated by the primary breakup. Large-eddy simulation (LES) was performed to investigate the shear breakup in liquid-liquid jet flows ... Read more
Oil Jet in Crossflow - Droplet Size Distribution
Oil Jet in Crossflow - Droplet Size Distribution
In the first part of the project, large-eddy simulations were conducted using the Mixture multiphase model for the release of diesel oil from a one-inch (2.5 cm) vertical pipe in a crossflow at 0.27 m/s. The ratio of jet velocity to crossflow speed was 5.0 and the Reynolds number based on jet velocity and pipe diameter was 7100. The impact of the oil buoyancy was captured ... Read more
Energy Minimization in Membrane-Based Desalination: A Mass Transfer-Controlled Approach
Energy Minimization in Membrane-Based Desalination: A Mass Transfer-Controlled Approach
Understanding single and multistage reverse osmosis (SSRO and MSRO), as well as centrifugal reverse osmosis (CRO) operations requires a realistic mass transfer-controlled (MTC) analysis, rather than an idealized thermodynamic equilibrium-controlled (TEC) approach, which assumes infinite membrane permeability... Read more
Performance Analysis of Tidal Turbine with Downstream Bodies through CFD Simulations
Performance Analysis of Tidal Turbine with Downstream Bodies through CFD Simulations
The utilization of renewable energy in desalination leads to the production of drinkable water in electricity-deprived remote communities and coastal urban areas impacted by natural disasters contaminating water wells. We investigate a novel concept where a centrifugal reverse osmosis (CRO) module is directly integrated to the tidal stream turbine without electrical energy conversion and external power input. In this study, the impact of the cylindrical CRO module placed downstream of a tidal turbine model on turbine performance and the wake hydrodynamics is evaluated using Large Eddy Simulations (LES) ... Read more
Analytical, Numerical and Experimental Studies of Off-Grid Tidal Turbine-Driven Centrifugal Reverse Osmosis System
Analytical, Numerical and Experimental Studies of Off-Grid Tidal Turbine-Driven Centrifugal Reverse Osmosis System
The project titled "Off-grid tidal turbine-driven centrifugal reverse osmosis system" benefits from the collaboration of team members from academia and industry. The research team will leverage their established expertise in ocean and renewable energy systems, as well as desalination processes ... Read more
Hydrodynamics and Mixing Characteristics in Different Sized Aspirator Bottles for the Water Accommodated Fraction (WAF) Tests
Hydrodynamics and Mixing Characteristics in Different Sized Aspirator Bottles for the Water Accommodated Fraction (WAF) Tests
The preparation of the water-accommodated fraction (WAF) is important for evaluating the toxicity of oil. The Chemical Response to Oil Spills: Ecological Research Forum method, which uses a magnetic stirrer in aspirator bottles, is commonly used. Thus, it is investigated herein focusing on the hydrodynamics. The particle image velocimetry technique was applied to measure the fluid velocity and mixing characteristics ... Read more
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