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CFD Analysis Shell And Tube Heat Exchanger Service

Service Details:

Service Location/City	All Locations
Service Type	offline
Industry	Food, Chemical, Petrochemical
Phase	All
Service City	All locations
Thickness	As per inquiry
Service Location	India
Service Duration	12-15 Days
Service Mode	Offline

CFD is a tool that is being used extensively inindustries to Predict the flow behavior, acting forces, pressure distribution. It helps to know what kind of and what amount of forces are acting on the body Flow behavior can beobserved with CFD tools in initial design stage which helps to optimize design for better performances. The current problem involves Pressure drop temperature calculation and hence Ansys Fluent isused to evaluate pressure drop values.

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CFD Analysis of Quench Tower Service

Service Details:

Service Location/City	All locations
Service Type	Offline
Start Date / Month	As per requirment
Site Location	All locations
Area / Size	As per requirment
Mode Of Service	Offline
Working Days	As per inquiry
Location	India
Service Duration	12-15 Days
Service Mode	Offline

The quick or sudden cooling of flue gas is essential in many industrial applications. Flue gas enters the quench tower at 200 ℃ from the top of the vessel. As the quench venturi is made up of what FRP material, it is very important to cool down the flue gas temperature reasonably. A critical part of the design is to select the appropriate size for the spray nozzle.

We have been approached by the European company to carry out the CFD based design studies to evaluate the nozzle sizing and performance of the spray nozzle. We prepared a computational model and accurately produce the water droplets and flue gas interaction. Our team at GMES uses the discrete phase modeling approach to plot the temperature distribution in the CFD domain.

Rapid cooling of the flue gas has been observed in the quench tower. The temperature of the flue gas drops almost by 120 ℃ in less than 10 secs. The client was delivered with a detailed design analysis report with a few recommendations for the design. The project is successfully implemented on the site in June of 2017.

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CFD Analysis of Water Evaporation System

Service Details:

Service Mode	Offline
Service Location	India
Service Duration	12-15 Days

So, the problem is to avoid rusting the roof and wall of the room from the evaporated water, especially when room is completely closed. It is very essential to extract the evaporated fluid from the room and fresh air to be supplied uniformly over a large span of the domain.

One of our clients wanted us to design an effective ventilation system with the help of flow simulation (CFD Analysis). In the existing design, there were 12 louvers and 6 fresh air fans but the results in very poor air distribution and ACPH value is 2 i.e. not adequate for human comfort.

We analysed the existing design for which we prepare a 3D model in SolidWorks and CFD analysis in Ansys Fluent. It helps us to find out the flow behavior and flaws in the design. Followings are the finding:

Many dead zones where velocity is less than 0.25 m/s.
Poor air distribution
No arrangement for the exhaust
ACPH is very low

Recommendations were made to change the location of the fans. We replaced the fresh air fans with exhaust fans. Optimized the design of the louvers. Implementing the changes, flow distribution improved a lot with a higher air change rate.

Changes made in the design backed with another simulation iteration and project is successfully implemented on the site. Efforts taken by our technical team results in a happy client.

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