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Questions related from Mladen Bošnjaković
Hot water enters on the shell side and cools along the tubes. Why does the heat transfer coefficient decrease along the tubes and have a lower value at the water outlet? And why does the heat...
18 October 2022 3,589 4 View
One good literature source is R. L. Webb. Principles of Enhanced Heat Transfer, Taylor & Francis, 2005. If there are more good sources to recommend? What criteria are most applicable in practice?
05 March 2017 6,112 5 View
I am solving heat finned tube heat exchanger. At Residual monitor is default setings for Convergence Tolerance. All values is set to 0,001 exep energy to 1e-06. If velocity of air at input is 2...
01 February 2017 1,135 9 View
Object of interest is fluid flow over tube in heat exchanger. Does Inflating layers need to be on both sides: on fluid side (air) and solid body (tube)? If yes, thus number of layer have to be...
15 January 2017 1,237 5 View
I make calculation of my model of finned heat exchangers by Ansys Fluent. Model is somewhat complicated and have abut 5 millions elements and 8 inflation's layers. I chose k-epsilon method for...
01 January 1970 3,824 12 View
I made a model of the heat exchanger in SolidWorks. The goal is to make numerical simulation using ANSYS FLUENT (ver 15.0). So far I have not used the said program is likely to be adapted designed...
01 January 1970 1,705 3 View
In many countries, gatherings of people are prohibited. Colleges and many other institutions do not operate in the usual mode but in a special one where most of the activities are done from...
01 January 1970 8,089 16 View
I calculate Heat exchanger air-water, the air is heated. The air at the entrance is about 20 C. Ansys offers the ability to define air properties (density, thermal conductivity, dynamic viscosity...
01 January 1970 1,028 2 View
Hydraulic diameter - dh - is the "characteristic length" used to calculate the dimensionless Reynolds Number and Nu number. Therefore it is vital for evalution of different types of heat...
01 January 1970 4,111 4 View
I am trying to solve my model of heat exchanger with finned tubes in Fluent. First variant with air velocity of 1 m/s converged after cca 550 iteration in k-epsilon model. Now I choose velocity of...
01 January 1970 9,522 17 View
Students choose faculty based on multiple factors: their desires, financial opportunities, employment opportunities after studying, colleagues 'recommendations, parents' wishes and so on. The...
01 January 1970 9,779 0 View