Questions tagged [cantera]
27 questions
6
votes
0 answers
Python Cantera MassFlowController won't extract mass from reactor
I am trying to build a hydrogen tank model (liquid-vapour) that includes heat addition over time through the tank walls, a venting valve that is activated at a given pressure and a constant fuel cell supply that is activated after a dormancy…

Repiklis
- 399
- 6
- 20
3
votes
3 answers
trouble compiling and installing cantera python module
I'm attempting to install the Cantera as a python module within Ubuntu linux. For reference I used these instructions: Installing Cantera. After running ./preconfig and make, I get the following error:
fatal error: numarray/arrayobject.h: No such…

Chad
- 1,434
- 1
- 15
- 30
2
votes
1 answer
How to calculate more time in custom.py in cantera?
I want to calculate auto-ignition delay time by using cantera in python linux. Here, I only change the t_end = 40 , dt = 1,and gas.TPX = 801, P, 'H2:0.1667,O2:0.0833,N2:0.75' in custom.py example from Official Website. But, the result only calculate…

YOU
- 29
- 3
2
votes
0 answers
Why does __init__ call the parent class's __init__ before the derived class's __init__?
I am using the cantera module in python, specifically trying to extend the class cantera.Solution using inheritance. The base class can be called like this:
gas = cantera.Solution("gri30.ct")
Where "gri30.cti" is the file name of the chemistry…

Bryan M
- 21
- 1
2
votes
1 answer
How can I reverse the program adiabetic.py in CANTERA Python module such that it inputs the adiabetic temperature and gives output inlet temperature?
I am doing a project on numerical analysis of laminar premixed flames at different level of complexities. I am in severe need of help as I am new to Python and Cantera. I have the following queries:
Can I modify the adiabetic.py module which…

Shiny
- 41
- 4
1
vote
2 answers
Python: Computation in for loop doesn't match result of manual computation
I'm currently working on a project researching properties of some gas mixtures. Testing my code with different inputs, I came upon a bug(?) which I fail to be able to explain. Basically, it's concerning a computation on a numpy array in a for loop.…
1
vote
2 answers
How to save data to csv Cantera and error
I have this script on Cantera. I want to save data into csv for both the two parts of the script: the first that evaluate Tfinal vs autoignition delay time and the second that evalutate the NTC behavior. In the first part the example suggests to…

wundolab
- 177
- 10
1
vote
1 answer
trouble with Cantera install with old(?) Python3 module on Debian Testing to run a SCons script
UPDATE
Here is the link to cantera: enter link description here and I do have scons installed;
apt-cache policy scons*
scons:
Installed: 4.0.1+dfsg-2
Candidate: 4.0.1+dfsg-2
Version table:
*** 4.0.1+dfsg-2 900
900…

nate
- 269
- 2
- 11
1
vote
1 answer
IndexError: List index out of range with glob(), rsplit()
I am trying to execute a python script which is giving me an IndexError. I understood that the rsplit() method failed to split the string. I don't exactly know why it is showing index out of range. Could anyone tell me how to solve this problem…

spkumar
- 15
- 4
1
vote
1 answer
Superclass __init__ overrides subclass constructor
I am working with cantera, trying to create an expansion of cantera.Solution class by creating a subclass Flow. This is basically to expand description of gas phase with parameters of its movement.
Solution is constructed by using certain **kwargs.…

AnacondaPython
- 31
- 2
1
vote
1 answer
Use biomass pyrolysis kinetics in Cantera reactor
I'm trying to use Cantera with a kinetic scheme for biomass pyrolysis to look at concentration changes over time in a batch reactor. An overview of the kinetics is shown below along with a reference to the paper. Notice that species concentrations…

wigging
- 8,492
- 12
- 75
- 117
1
vote
1 answer
Cantera 'module' object has no attribute 'Solution'
My question is the same as the one here.
Module object has no attribute [CANTERA]
Ray Speth commented but the OP of that post never responded so I'm hoping that maybe Ray could help me out.
I installed Cantera and did tried to make a gas doing the…

mnal
- 65
- 1
- 10
1
vote
1 answer
Cantera problems in python 2.7
I try to start a program in Spyder.
What I need to get start it is :
from Cantera import *
from Cantera.Reactor import *
from Cantera.Func import *
from Cantera import rxnpath
what I get is:
ImportError: No module named Cantera
and what I try so…

Solphae
- 11
- 2
1
vote
0 answers
Module object has no attribute [CANTERA]
I've been trying out the simpliest basics of Cantera.
I'm using Cantera 2.2.1 installed on CAE Linux (Xubuntu 12.04) along with iPython.
I first import:
import cantera as ct
Then I try creating a gas:
gas = ct.Solution('gri30.xml')
That is just a…

AnacondaPython
- 31
- 2
0
votes
1 answer
Removing sundials package in Ubuntu 22.04
I am trying to install Cantera 1.8 due to some reason. I have installed the latest sundial version which is not working (problem with cvodes). Now I need to remove the sundials but I am unable to do so. I have used the following commands:
sudo…

Anirudh
- 1
- 1