Week 5 - Rayleigh Taylor Instability

  Challenge 10 – Simulating the combustion of NATURAL GAS (methane) Aim – To analyse the emissions and calculate the mass fraction of species resulting from the combustion of natural gas Introduction to Combustion of natural gas – Natural Gas is a naturally-occurring mixture of hydrocarbon and…

Challenge 9 – Parametric Study on Gate Valve Aim – To perform a parametric study on water passing through a gate valve by changing the valve opening from 10mm to 80mm and analysing the mass flow rate at the outlet in each case. Introduction to Gate Valve and its working principle – A gate valve's main…

Challenge 8 – Simulating Cyclone Separator using Discrete Phase Modelling Aim – To simulate the CFD of a cyclone separator and calculate the separation efficiency by varying the fluid inlet velocity, particle inlet velocity and diameter of particles Introduction to the Cyclone Separator and several empirical…

Challenge 7 – Simulating Fluid Sloshing effect inside a Gear-box Aim – To observe the fluid sloshing effect inside a Gearbox by iterating with 2 fluids mainly engine oil and n heptane, and thereby analyse the lubricating efficiency (by varying immersion percentage) Introduction to Gearbox and fluid sloshing…

Challenge 6 – Conjugate Heat Transfer Analysis on a Graphics Card Aim – To conduct a conjugate heat transfer analysis on a graphics card and analyse the overall temperature of the components and the heat transfer coefficient of the processor Solving and Modelling Approach – Firstly, the step file of the…

Challenge 5 – Rayleigh Taylor InstabilityAim – To study the Rayleigh Taylor Instability and explain the effects of mesh size on simulation results and time step size.What are some practical CFD models that have been based on the mathematical analysis of Rayleigh Taylor waves?Kelvin-Helmholtz Instability – The KH instability…

Challenge 4 – Conjugate Heat Transfer Analysis on an Exhaust Port Aim – To study the wall heat transfer coefficient when air flows through an exhaust port and perform conjugate heat transfer analysis A brief description of why and where a CHT analysis is used. CHT analysis, which is the short form of Conjugate…

Challenge 3 – Flow over an Ahmed Body Aim - To analyse the flow over an Ahmed Body and study the drag coefficient based on varying y plus values and mesh refinement. Importance of Ahmed Body – An ahmed body is a research-based model used to analyse external flows over cars. The ahmed body represents a standard…

Challenge 2 – External flow over a cylinder Aim – To analyse the external flow over a cylinder, calculate the drag and lift coefficient, and observe the phenomenon of Von Karman Street for varying values of Reynolds number. Theory and Practical Applications – Von Karman Street or most commonly known as…

Challenge 1 – Mixing Tee Aim – To observe the mixing efficiency in a mixing tee by analysing 2 cases with different lengths (short & long). Theory & Practical Applications – The mixing tee joint is called so since it is responsible for mixing 2 fluids of different temperature using 2 entrances…