GENERAL SIR JOHN KOTELAWALA DEFENCE UNIVERSITYDEPARTMENT OF MECHANICAL ENGINEERINGComputational Fluid Dynamics ME 3243Continuous Assessment - 11. From which industry has CFD emerged from?2. Which three disciplines CFD is derived from?3. Traditionally, CFD has been used to solve aerospace and automotive engineering applicationssuch as drag and lift for airplanes and cars, what examples can you think of where CFD is being usedwithin nontraditional fluid engineering applications?4. What are some of the advantages of using CFD?5. What are the limitations and disadvantages of using CFD?6. What CFD measurements can be obtained to assist the designs for safety and comfort inpassenger airplanes?7. What detailed results can be achieved in modelling of F18 jets that are difficult to achieve inexperiments?8. How is CFD being used as a research tool, a design tool, and an educational tool in academicfields, such as thermal fluids?9. What aspect of CFD provides an advantage to allow better understanding of fluid flow and heattransfer?10. How can CFD reduce development costs in time to market during the design stage?11. How would CFD be used to reduce drag in automotive engineering?12. Why would parametric studies using CFD be more effective than large-scale wind-tunnelexperiments?13. Can CFD investigate piston engines in automotive engineering? How would this be possible,computationally?14. The biomedical science field is turning to CFD to resolve flows within human airway andvascular systems. What advantages does CFD hold over experiments in obtaining these numerical results?15. What can CFD provide for evaluating surgical reconstructions for blood flows in arteries?16. What other technologies are involved so that CFD can be performed on inside the human body?17. What details can CFD capture in the simulation of hydrocyclones, a process commonly used inthe minerals industry?18. What types of flow can CFD model that investigate the separation process in mineral processing?19. How is CFD being used in the civil and environmental industry?20. How is CFD being employed in understanding metallurgical processes?GENERAL SIR JOHN KOTELAWALA DEFENCE UNIVERSITY

CFD emerged from the aerospace industry.

CFD is derived from the disciplines of mathematics, physics, and computer science.

Nontraditional fluid engineering applications of CFD include weather prediction, simulation of blood flow in the human body, and modeling of ocean currents.

Advantages of using CFD include the ability to simulate and analyze complex fluid flow problems, cost-effectiveness compared to physical experiments, and the ability to visualize flow patterns.

Limitations and disadvantages of using CFD include the need for high computational resources, the requirement of expertise to interpret the results, and the inability to accurately model certain complex physical phenomena.

CFD measurements that can assist in the design for safety and comfort in passenger airplanes include air pressure, temperature, and velocity inside the cabin.

Detailed results that can be achieved in modeling of F18 jets include the distribution of pressure and temperature on the aircraft surface, and the prediction of aerodynamic forces and moments.

CFD is used as a research tool to study complex fluid flow phenomena, as a design tool to optimize the performance of fluid flow systems, and as an educational tool to teach students about fluid dynamics.

The ability of CFD to visualize flow patterns provides a better understanding of fluid flow and heat transfer.

CFD can reduce development costs in time to market during the design stage by reducing the need for physical prototypes and experiments.

CFD can be used to reduce drag in automotive engineering by optimizing the shape of the vehicle to minimize air resistance.

Parametric studies using CFD are more effective than large-scale wind-tunnel experiments because they are less expensive and can be performed more quickly.

Yes, CFD can investigate piston engines in automotive engineering. This is possible by modeling the flow of air and fuel inside the engine.

The advantages of CFD over experiments in obtaining numerical results for flows within human airway and vascular systems include the ability to simulate flow in complex geometries, and the ability to visualize flow patterns.

CFD can provide detailed information about the flow of blood in arteries, which can be used to evaluate the effectiveness of surgical reconstructions.

Technologies involved in performing CFD on the inside of the human body include medical imaging technologies such as MRI and CT scans.

CFD can capture details such as the flow pattern, pressure distribution, and separation efficiency in the simulation of hydrocyclones.

CFD can model different types of flow that investigate the separation process in mineral processing, including turbulent flow, multiphase flow, and particle-laden flow.

CFD is used in the civil and environmental industry to model and analyze problems such as air pollution dispersion, water treatment processes, and flow in rivers and reservoirs.

CFD is employed in understanding metallurgical processes by simulating and analyzing the flow of molten metal and the heat transfer processes involved.