Currently what is the maximum accuracy achieved by an infrared camera for temperature measurement?

the measurement of surface temperature by thermographic measurements has become a very important measure in several fields of industry but also in the field of research. From there it is important...

06 July 2019 7,980 4 View

In the context of studying the propagation of heat in the form of waves, what is the physical significance of the reflection coefficient?

The study of heat propagation can be done using wave formalism. In these conditions what is the physical significance of the reflection coefficient which obviously relates to the effusivities of...

08 September 2018 1,345 0 View

What are the advantages to study the heat tranmission in a wall in the frequency domain ?

In which case it is more interesting to study the propagation of heat in the frequancy domain?

05 June 2016 8,101 2 View

Between Ansys and Femlab softwares, whitch one is the more simple, flexible and the cheapest for thermal simulations?

We are looking for a software of thermal simulation and we want to compare Ansys and Femlab

05 June 2016 1,844 2 View

What is the best way to measure the surface temperature on a wall in civil engineering ?

is it to put directly the sensor on the wall or to make a groove in which the sensor in introduced by using silicon grease ?

04 May 2016 8,533 13 View

Looking for Materials with high thermal expansion coefficient and high temperature resistance?

03 March 2021 8,272 1 View

What are anisotropic electrical and optical properties of a semiconductor due to?

In some materials, properties such as band gap, thermal conductivity differ along different crystallographic axes. What are the basics?

01 March 2021 1,923 3 View

What are the countries most affected by extreme rainfall as a result of climate change?

Increased heat, drought and insect outbreaks, all associated to climate change, have increased wildfires. Decreasing water supplies, declined agricultural yields, health impacts in cities owing to...

01 March 2021 7,168 9 View

What is recommended for solid domain in ANSYS FLUENT?

Should I mesh the solid domain ? or should I use wall thickness? or Shell conduction? for Heat Transfer between two fluids of a Heat Exchanger. what is recommended?

01 March 2021 9,785 3 View

Heat exchanger with liquid Nitrogen as coolant?

I want to cool Natural Gas from 195 Kelvin to 138 Klevin in a heat exchanger by using liquid nitrogen as the coolant medium. When entering the heat exchanger, the liquid nitrogen will have a...

01 March 2021 6,450 5 View

How to classify strictly upper triangular matrices by similarity?

Let F be a field. Consider U, the set of n times n strictly upper triangular matrices in F. For X, Y in U, we call them similar if there exists some S, which is non-degenerate and upper...

01 March 2021 2,957 8 View

Is CD44 degraded in lysosome together with hyaluronan after CD44 mediated endocytosis of hyaluronic acid?

Also when RHAMM binds hyaluronic acid, they get internalized, will RHAMM also be degraded? Or both CD44 and RHAMM will be transferred back to the cell membrane? Asking for breast cancer cell line...

01 March 2021 8,169 2 View

Why is the sum of the elements in a row in a Q matrix equal to zero?

When explaining substitution models, the substitutions are expressed as Q matrix. Why is the sum of the elements in a row zero?

28 February 2021 3,864 3 View

How can i resolve the "final solutuin is not converged" error in Comsol for my heat transfer simulation??

I have been trying to simulate heat transfer problem in Comsol 5.5 for long time but it always throw an error stating: "Failed to find a solution. Maximum number of Newton iterations...

28 February 2021 8,626 3 View

Distribution of particles in metal matrix?

How would define the "good" and "poor" distribution of particles within the matrix. Is there a quantitative solution to assess the distribution of the particles, which then having denotation of...

28 February 2021 7,397 8 View