Heat Exchanger with Twisted Barrier CFD Simulation

۷۲۰,۰۰۰ تومان تخفیف دانشجویی

The present problem simulates heat transfer within a heat exchanger in three dimensions using ANSYS Fluent software.

This product includes Geometry & Mesh file and a comprehensive Training Movie.

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بر روی افزودن به سبد خرید کلید کرده و فایل های هندسه، مش و فیلم آموزشی جامع را دریافت کنید.

برای سفارش پروژه خود و یا بهره مندی از مشاوره رایگان، با کارشناسان ما از طریق ایمیل ([email protected])، پشتیبانی آنلاین و یا واتس اپ (09126238673) در ارتباط باشید.

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پیشنهادات ویژه

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پیشنهادات ویژه

در صورتی که نیاز به مشاوره تخصصی از طریق فیلم آموزشی دارید، این گزینه پشتیبانی فنی 1 ساعته در اختیار شما قرار می دهد.

توضیحات

Project Description

The present problem simulates heat transfer within a heat exchanger in three dimensions using ANSYS Fluent software. In this simulation, the HEX consists of two parts; So that the upper part is for the passage of hot current and the lower part is for the passage of cold current. Also, a twisted barrier is used inside the HEX to affect the flow rate of hot and cold water and, consequently, increase the amount of heat transfer between them. Hot water flow with a speed of 5 ms-1 and temperature of 340 K enters from the upper part of the HEX, and cold water flow enters with a speed of 5 ms-1 and temperature of 300 K from the lower part. This work aims to investigate the heat transfer process between the cold and hot sides of the HEX.

Heat Exchanger Geometry & Mesh

The present model is designed in three dimensions using Design Modeler software. The present model is related to a heat exchanger, consisting of two parts (the hot part at the top and the cold part at the bottom), and a twisted barrier is used inside it.

Heat Exchanger

We carry out the model’s meshing using ANSYS Meshing software. The mesh type is unstructured. The element number is 1201056. The following figure shows the mesh.

Heat Exchanger

Heat Exchanger CFD Simulation

We consider several assumptions to simulate the present model:

  • We perform a pressure-based solver.
  • The simulation is steady.
  • The gravity effect on the fluid is ignored.

The following table represents a summary of the defining steps of the problem and its solution:

Models (Heat Exchanger)
Viscous k-epsilon
k-epsilon model standard
near wall treatment standard wall functions
Energy On
Boundary conditions (Heat Exchanger)
Hot Inlet Velocity Inlet
velocity magnitude 5 m.s-1
temperature 340 K
Cold Inlet Velocity Inlet
velocity magnitude 5 m.s-1
temperature 300 K
Hot Outlet Pressure Outlet
gauge pressure 0 pascal
Cold Outlet Pressure Outlet
gauge pressure 0 pascal
Middle Wall Wall
wall motion stationary wall
thermal condition coupled
Other Walls Wall
wall motion stationary wall
heat flux 0 W.m-2
Methods (Heat Exchanger)
Pressure-Velocity Coupling SIMPLE
Pressure second order
momentum second order upwind
turbulent kinetic energy first order upwind
turbulent dissipation rate first order upwind
energy second order upwind
Initialization (Heat Exchanger)
Initialization methods Standard
gauge pressure 0 Pascal
x-velocity 5 m.s-1
y-velocity & z-velocity 0 m.s-1
temperature 340 K (patch)

Results & Discussions

At the end of the solution process, two-dimensional and three-dimensional counters related to pressure, velocity, and temperature inside the heat exchanger are obtained. Two-dimensional and three-dimensional path lines and two-dimensional and three-dimensional velocity vectors are also obtained. The results show that heat transfer has occurred between the cold and hot sides of the heat exchanger.

You can obtain Geometry & Mesh file and a comprehensive Training Movie that presents how to solve the problem and extract all desired results.

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