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Materials & Chemical Engineering

- Properties of matter and its applications. Metal Production, Fabrication, Distillation, Corrosion
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Jan16-12 Greg Bernhardt
Illegal/Dangerous Activities: Explicit "how to" discussions of illegal and/or dangerous activities, or posts...
Jul31-07 05:01 PM
chemisttree
0 29,347
Dear all, I would like to simulate a HID lamp. This lamp is operated at a pressure of 2.8 atm and has a core...
Sep20-13 02:59 AM
juelles
0 1,118
Hello, How do I instruct COMSOL to calculate the gradient of swelling pressure P which is given as P=E(C-Ceqm)...
Mar5-10 10:54 AM
potatoteddy
0 2,273
I am having issues with modeling an absorption column in COMSOL 3.5a. I have entered the reaction rate (which I am...
Jan28-12 09:33 PM
cheme73
0 2,175
Hey everyone, I have been using COMSOL to study oxygen diffusion through a membrane coupled with a surface reaction...
Oct13-07 04:58 AM
PerennialII
1 3,353
Hi! I am trying to model the electrodeposition of MnO2 in COMSOL. I have 3 equations for 3 charged species involved...
Apr5-10 06:37 AM
chinoodian
0 2,234
I am trying to model intrinsic stress of some thin film heterostructures. As I am not a modeler but an...
Nov14-08 03:41 AM
PerennialII
5 3,697
Hi everybody, newbie here...:smile: im doing a modelling work with comsol and have a problem of solving using...
Jan5-08 10:51 AM
PerennialII
3 5,847
Hi, Is there way to run MATLAB with COMSOL functions directly instead of connecting to matlab server from COMSOL. ...
Apr1-09 05:01 AM
Deppttu
0 3,309
Hello everyone, Does anybody use Comsol multiphysics here? I am trying to model the electric double layer. If you...
Apr17-12 03:39 AM
hamid8381
20 23,977
Dear Friends, I am totally new in Comsol Multiphysics and I can't manage with following problem: I have to...
Dec14-10 04:27 PM
Boryna
0 1,132
Hi everybody, I'm a new user of Comsol Multiphysics and Comsol script. And I'm working on a conduction problem,...
Oct19-09 03:10 PM
francescasilv
2 5,976
Hello all, I have a small problem with COMSOL. I am trying to use the particle tracing feature, more precisely I...
Dec13-11 03:10 AM
mahderezvan
1 2,374
hi all, i'm a newbie here. i'm currently encountering problems trying to construct and simulate a 3-d t-junction. ...
Mar6-08 01:06 PM
PerennialII
1 1,728
Hello, Now I am working on the convection and diffusion problem with chemical reactions. The question is simple...
Dec11-08 02:56 PM
PerennialII
5 10,818
Hi every one I want to model a transient heat transfer with time dependent Dirichlet boundary condition and ...
Aug12-12 12:33 PM
shapoor
0 2,033
Hi, all, I am starting with calculating scattering cross sections of metallic nanoparticles. I have some doubt about...
Oct25-11 11:00 AM
zhoujingj
38 32,968
Hello, I am working on Al-17Si alloys. I have done some castings and in micro-structure I saw formation of...
Nov12-11 08:36 AM
pukb
2 1,791
A question for anyone that has the ability to answer: I understand the difference between Frenkel and Schottky...
Mar27-05 06:18 PM
RPI_Quantum
2 4,607
Can someone explain the concept of recrystallization in metals to me? I'm having some trouble understanding what...
Apr19-05 08:32 PM
Modey3
1 3,336
Hi, Who could evaluate my conception of heat storage with Na2-SO4? Idea: Dry Na2-SO4 is moistered with water...
Nov29-10 04:33 PM
Borek
6 2,024
Hello experts in diffusion, I am having some trouble understanding some concepts in calculating diffusion. ...
May3-11 12:26 PM
MightyQuinn
2 3,083
can anyone give me a problem and exercise about the methode dreux of Concrete i want to practice it as well before the...
Jul8-10 07:35 AM
kompheak vic
2 2,665
When determining the appropriate condenser rating ( i.e the condenser temp. difference, TD = Tc - Tci), why is it...
Mar1-10 11:28 AM
alexisonsmith
0 2,558
Why is it when the conditions are adiabatic and reversible about a turbine, the assumption is its isentropic?
Nov18-06 12:09 AM
Andrew Mason
4 2,363
HI, i guess this might have been answered prieviously. Can someone tell me the solution for transient conduction in...
Mar29-12 07:36 AM
anuragn
0 1,795
Hello, I want to study transparent alumina and zirconia and I wonder if they have the same conductivity and heat...
Jun1-10 06:42 AM
frenchero
0 1,665
According to this Periodic Table (sorted by conductivity), sodium's conductivity is .21 on the chart, and Iron's is...
Mar9-08 12:01 PM
moo
0 1,328
Hi, im doing an experiment involving activated carbon and I need to know if activated carbon has a high level of...
Feb16-10 07:41 PM
taylaron
4 6,695
Does somebody know if stabilized zirconia (a compound of zirconium oxide and yttrium oxide) is electrically conductive...
Sep30-09 05:20 AM
Gideon Y
0 1,882
Hi everyone- I'm a junior at U. Penn doing a research project on thermal expansion in complex perovskites. I'm...
Jul27-04 12:50 AM
enigma
2 4,145
I was reading the Considere's criteria:for necking. The link:...
Mar27-12 12:25 PM
svishal03
0 2,196
Hello, I am a beginner in Comsol and I am using a convection-diffusion mode in Comsol 3.4. How can I put a constraint...
Dec7-11 11:48 AM
Hoora
0 2,063
for the construction of buildings which one is the best titanium aluminium iron cosider all properties ...
Nov20-05 06:36 AM
PerennialII
3 1,804
can anybody guide me in selection of consumable required for developing of welding procedure specification... ...
Nov11-11 10:48 PM
bali470
0 1,081
Why is the traverse loading strength of continuous fibre reinforced composites weaker compared to the longitudinal...
Oct17-10 09:25 PM
Kmenex
3 3,410
We have 2D point coordinate before and after experiment(you can see the attachement), now we want to get the contour...
Sep15-11 07:14 PM
hongfengtl
2 1,590
Ok it's my first time here and I was hoping to get some help on some questions I have been given. I am a first year...
Nov16-09 09:26 AM
Mech_Engineer
4 7,189
I came across this interesting article to convert a standard lead acid battery into alkaline: ...
Oct27-08 08:48 AM
nobb123
2 6,362
Various governmental agencies involved with environmental protection and with occupational safety and health have...
Aug13-06 06:59 PM
mbeychok
0 4,102
hi i have a SO2 meter that measures in mg/Nm3 i have to deturmin how many kg/hr Ca(OH)2 i have to add to absorb...
Feb29-12 09:31 AM
thomasJDN
0 4,476

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