Chemical Blog Posts

Improving Nuclear Reactor Designs with Simulation
Take a look inside the dynamics of a nuclear reactor — and then see how you can use multiphysics simulation to improve their design.

Avoiding Ship Hull Corrosion with ICCP and Simulation
Did you know that the ocean is an electrolyte? Corrosion commonly seen on ship hulls occurs when there are areas with different potentials within such an electrolyte — saltwater, in this case.

Modeling Corrosion for Automotive Applications
Simulation is a way to address the different types of corrosion that commonly occur in automobiles, saving car manufacturers time, money, and resources.

Studying Impedance to Analyze the Li-Ion Battery with an App
Check out the Lithium-Ion Battery Impedance demo app, which is an example of how apps can be used to interpret the impedance of specific lithium-ion battery designs — with minimal effort!

Protecting Aircraft Composites from Lightning Strike Damage
Some aircraft have a protective coating to mitigate damage from lightning strikes. Boeing used multiphysics simulation to evaluate thermal stress and displacement in this layer.

Sensing the Bio in Biosensor Design with a Simulation App
The Biosensor Design demo app predicts the results from measurements of a biomolecule’s concentration (or activity) from an understanding of this molecule’s attachment to an enzyme.

Do Hybrid and Electric Vehicles Have the Pulling Power?
Designers of hybrid and electric vehicles need to have a good understanding of how the car’s lithium-ion battery operates to ensure both performance and safety.

An Analysis of Syngas Combustion in a Round-Jet Burner
By combining the Reacting Flow interface and the Heat Transfer in Solids interface, we can study the syngas combustion in a round-jet burner. Get details…

Using Simulation to Optimize Biopharmaceutical Processes
Did you know that you can use COMSOL Multiphysics® to study biopharmaceutical processes? Examples include pharmaceutical mixers, injection devices, dielectrophoretic separation, and more >>

Modeling Current Distributions in a Molten Salt Electro-Refiner
A guest blogger from SIMTEC discusses how he uses simulation to analyze current distributions in a molten salt electrorefiner. Get details here >>

Simulating an Ideal Stirred Tank Reactor System
The Generic CSTR reactor type in the Reaction Engineering interface can be used to easily model continuous stirred tank reactors (CSTRs), or ideal stirred tank reactors.

New and Revamped Chemical Engineering Interfaces
Get an overview of the modeling interfaces for reaction engineering and mass transport in COMSOL Multiphysics®, including the Chemistry and Reaction Engineering interfaces.

Why Car Batteries Perform Poorly in Cold Weather
Have you ever gone to start your car on a cold winter morning and nothing happens? The battery’s ability to convert chemical energy into electrical energy can be affected by low temperatures.

Modeling Approaches in Heterogeneous Catalysis
Get an introduction to heterogeneous catalysis, the main steps for chemical species in heterogeneous catalytic reactions, adsorption-desorption models, surface reactions, and much more…

Electroplating Simulations for Printed Circuit Board Designers
The manufacture of a printed circuit board (PCB) often involves a process called electroplating, which can vary from design to design. A simulation app can make it easy to analyze this process.

Apps for Teaching Mathematical Modeling of Tubular Reactors
Chemical engineering students can use the Tubular Reactor app to model a nonideal tubular reactor and investigate the impact of different operating conditions. Learn more >>

Multiscale Reactors: Cleaning the Flows
Packed bed reactors are used in chemical synthesis and for effluent treatment and catalytic combustion, are often required for heterogeneous catalysis, and commonly include catalyst pellets.

Modeling Hydrodealkylation in a Membrane Reactor
Hydrodealkylation is a hydrogen-intensive process. We demonstrate using the thermodynamics modeling features in the COMSOL® software to analyze this process in a membrane reactor.

Modeling Reacting Flow in Porous Media
This blog post and embedded tutorial video demonstrate what inputs are required and what results you can obtain when modeling a porous reactor in COMSOL Multiphysics®.

Accounting for Heat in the Design of Lithium-Ion Batteries
Heat transfer is an important phenomenon to consider when designing a lithium-ion battery. See how multiphysics simulation can help ensure a safe and efficient Li-ion battery design.

Sometimes a Cigar Is More Than Just a Cigar
Are you a casual stogie fan? A cigar aficionado? We show off a simple model of a cigar to study the temperature distribution of the smoke and concentration of oxygen.

A Strategy for Designing Corrosion-Resistant Materials
Engineers at the Naval Research Laboratory in Washington, D.C., turned to multiphysics simulation to better understand the fundamental mechanisms behind corrosion damage. Get the full story >>

Modeling Electrochemistry for Managing Diabetes
An estimated 350 million people worldwide are living with diabetes. By modeling electrochemical processes, biomedical engineers can analyze and optimize the glucose sensing process.

Isoelectric Focusing and the Migration of Chemical Species
Isoelectric focusing is a type of electrophoresis used by researchers to identify small chemical differences between molecules. Learn about using the COMSOL® software to analyze this process.