Does anyone have any idea about how much money do I need to construct constant heat flux condition experimentally?
Kemal,
It depends on the temperatures involved (3K? Ambient, 3000K?), the flux desired (one mW/m^2, one W/m^2, one MW/m^2) and the accuracy with which you want to know this.
For example, I operate a C177 guarded hot-plate system that can deliver 1D heat fluxes in the range of 1kW/m^2 at temperatures between 200K and 400K, with an accuracy of around +-5% in 1 bar ambient gas, over a face of dimensions ~10cm x 10cm. A single test is ~500 to 1kCAD depending on other factors.
If you can describe your needs in detail, that would help.
I sense that you want a more focused system for a particular temperature...
Kemal
Assuming you are measuring heat flux through a standard block, you can do this with a couple of USB based thermometers - usual accuracy +/- 0.5C (half a degree) costing around US$15 each. A computer with a couple of USB ports (guess this is freely available in your lab) and the software to interface them (free).
The3n you just need to apply a source of controlled heat.
A rough guess at a minimum cost - $100.
https://www.sciencedirect.com/search?qs=experimental%20set%20up%20constant%20heat%20flux%20conditions&show=25&sortBy=relevance
You need three equipments : 1. High current low voltage transformer, 2. Voltage stablizer, 3. Voltage regulator. It all depends upon the highest heat flux you need. In India all three of around 30 kVA Capacity may cost around Rs. 1000000.
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