|
[Sponsors] |
Definition of Velocity Boundary Condition in Ansys CFD software |
|
LinkBack | Thread Tools | Search this Thread | Display Modes |
June 3, 2021, 12:50 |
Definition of Velocity Boundary Condition in Ansys CFD software
|
#1 |
New Member
Sridhar Sahoo
Join Date: Sep 2014
Location: IIT KGP
Posts: 13
Rep Power: 12 |
In a constant volume chamber, we did 6 hole nozzle injector to simulate gas (methane) injection simulation. As part of the inlet boundary condition, we used velocity inlet boundary condition (i.e. 25m/s) for all the nozzles.
The results obtained are so confusing 1. The mass flow rate of each nozzle is different from the other. 2. With the increase in injection velocity, the simulation fails stating "Recycling requested by state variable update" and fails finally saying timestep driven is too small. Why this phenomenon occurs. The constant volume chamber is closed from every side, and nitrogen is filled in the chamber. |
|
Tags |
ansys, cfd, forté, velocity boundary |
Thread Tools | Search this Thread |
Display Modes | |
|
|
Similar Threads | ||||
Thread | Thread Starter | Forum | Replies | Last Post |
The method on dealing with velocity in static pressure outlet boundary condition | mona.li | CFX | 2 | September 30, 2017 02:33 |
Problem in setting Boundary Condition | Madhatter92 | CFX | 12 | January 12, 2016 05:39 |
Wrong flow in ratating domain problem | Sanyo | CFX | 17 | August 15, 2015 07:20 |
Low Mixing time Problem | Mavier | CFX | 5 | April 29, 2013 01:00 |
Convective Heat Transfer - Heat Exchanger | Mark | CFX | 6 | November 15, 2004 16:55 |