Quote:
Originally posted by jaydee116
I am not even close to being able to discuss the technicalities of testing these rads and fans, but I will throw out a simplistic view/question.
Say your test setup is with a shroud that is say 2" from the radiator. Now you test your 10 rads and 10 fans the same way each time and come up with a set of numbers that are entered into this proposed calculator.
Now my question is, what happens if someone goes by this calculator but ends up not using a shroud, using a shroud that is 3" away from the rad, using a shroud 1" away from the rad, or any other combination OTHER than what has been tested??? Does this not complety destroy any accuracy in such results from the test and void any usefullness in such a calculator for any person that is not going to mount the fan/rad identical to the test setup??? Also what if the given airflow to the intake of the fan is resricted because of a fancy fangrill, inside a case, or for whatever other 100 reason that may come up? :shrug:
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You have very good points here. I brought up similar issues earlier. Another issue is, 'What other fans are in the system, are they blowing or sucking, and how hard?'
These are the reasons I'm inclined to just go with a user input CFM (or CMM) and a report of the dP needed to achieve that CFM. (Not to mention the huge variety of fans which may be used.)
Quote:
Originally posted by jaydee116
Maybe I am just not sure what your all trying to acheive here.  Which brings up another point. This calculator is going to need a user guide on why it works, what has been done to make it work, and what other issues/variables (that may throw off the results from the calculator) the person using it needs to consider when attempting to build a system from it. This user guide may very well be more complex than the actual calculator? :shrug:
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I see the main benefit of the simulator as a way to compare different systems of components.
If I have to have a MCW462-UH, (because blue is my favorite color) then what pump and rad are the best 'fit'? (With the block, and my budget.) A pump and rad that are 'good' choices with a White Water may be poor choices with a MCW462-UH.
By playing around with the simulator and trying different combinations of parts, people can determine what factors make a difference they consider worthwhile, and what factors don't.
IMO, the simulator doesn't need to be extremely accurate at real world predictions, to be useful in comparing setups. Results that closely match actual setups are certainly desireable. Finding out why simulations don't match reality, and if it is feasible, correcting the problem will be important. There are too many issues the simulator can't account for to expect extremely accurate results though. (e.g. TIM joint)
My impression is that what is most frequently misunderstood is the 'wetside interactions'. I believe the simulator could be very useful in allowing people to 'see' those interactions.