Studying Manifold Microchannel Heat Sinks with Simulation

Bridget Paulus May 16, 2016

When an electronic device overheats, it risks starting a fire. Cooling components, such as heat sinks, are designed to prevent this, but can’t always keep up with advancing technology. Simulation offers a solution by illustrating how well various heat sink designs conduct heat and how adding elements like manifold microchannels (MMC) improves performance. Today, we’ll explore how an MMC heat sink operates with simulation.

Read More

Caty Fairclough May 3, 2016

Why are the famous paintings on the walls of a Netherlands chapel deteriorating? To answer this question, researchers from the Eindhoven University of Technology used physical measurements and simulation to evaluate how rising moisture affects the chapel’s artwork. Today, we’ll see how their research helped provide a better understanding of the damage occurring within this cultural heritage site.

Read More

Bridget Cunningham May 2, 2016

Graphene is a material with a strong presence — and impact — throughout the scientific community. Amongst its many uses, researchers are looking to graphene as a potential material solution within sensor designs for medical and biosensing applications. Today, we’ll explore the role of simulation in analyzing and optimizing a 3D multilayered graphene biosensor.

Read More

Bridget Cunningham April 18, 2016

Removing bacteria and contaminants from water is an important point of concern for safety reasons. One method of purification involves the use of water treatment basins. CFD modeling provides an efficient route for optimizing the design of these basins to ensure their overall effectiveness. Simulation apps, as we’ll highlight here, are taking things one step further by extending the scope of such modeling capabilities to a much wider audience.

Read More

Peng-Chhay Ung April 11, 2016

Radiators, refrigerators, and geothermal pumps all need to efficiently extract heat from one fluid to another without mixing them. Among all of the different heat exchanger designs, finned pipes aim to increase the exchange surface between the content of a pipe and the exterior using fins. Finned pipes usually show a geometrical periodicity along the length, which we will take advantage of in this demo app to reduce computational costs.

Read More

Caty Fairclough March 31, 2016

Two professional chefs stand in a classroom, closely observing a soft-boiled egg. What may initially sound like a cooking class is actually part of a physics course offered at the Technische Universiteit Eindhoven (TU/e) in the Netherlands. Using COMSOL Multiphysics, students are investigating the science behind cooking the perfect soft-boiled egg. See how this innovative blend of simulation research and food science is teaching students how to build and test models.

Read More

Walter Frei March 30, 2016

Whenever solid materials are heated enough, they will melt and then vaporize to a gas. Certain materials will even go directly from the solid to the gas phase, a process referred to as sublimation or ablation. If the material is heated strongly enough, there will be significant material removal. Today, we will look at how you can model this process in COMSOL Multiphysics.

Read More

Angela Straccia March 29, 2016

Are you solving turbulent flow problems in your CFD analyses? Then you may be familiar with the large computation time that can result from difficulties in finding the numerical solution. Such difficulties are caused by nonlinearities that arise in the turbulence model equations. Viscosity ramping can help decrease the computation time by solving for higher viscosities and using the solutions as initial conditions for the problem at lower viscosities. We’ll show you how to implement this technique in COMSOL Multiphysics.

Read More

Fabrice Schlegel March 17, 2016

When you think of a stout beer, one type that may come to mind is Guinness® beer. This stout is very special, noticeable by its dark body and famous white head. The dynamics of the foam alone are interesting enough to write a series of blog posts about. Although I don’t drink Guinness® beer (I’m a fan of IPA), I found the longstanding debate about whether its bubbles are rising or sinking while the beer settles makes an interesting simulation.

Read More

Abbie Weingaertner March 14, 2016

Geothermal heat pumps offer an environmentally friendly option for heating modern, well-insulated homes. Oftentimes, many configurations are explored before deciding on the most effective ground heat recovery system. Simulation tools like COMSOL Multiphysics can be used to analyze different iterations to ensure an optimal final design. With the introduction of easy-to-use simulation apps, such modifications no longer require the skills of a simulation expert. Instead, colleagues can investigate design changes, run their own simulations, and evaluate results.

Read More

Bridget Cunningham March 1, 2016

When diagnosed with end-stage renal disease (ESRD), a form of permanent kidney failure, patients must undergo dialysis to replace the blood cleaning function of kidneys. Dialysis requires vascular access, a process where blood is removed, purified, and returned to the patient’s vasculature. Current methods for providing access, however, suffer from high failure rates. Combining CFD simulations with shape optimization techniques provides a way to better understand and predict such failure.

Read More


Categories


Tags

1 12 13 14 15 16 32