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WHAT IS TWO PHASE FLOW CHART IN COILS ?
The flow pattern is the representation of experimental data on two-dimensional graphs that shows the transition zones of fluid regime inside the tubes. With...
Wed, May 17, 2017 at 12:54 PM
FACTORS “RAPP. INTERNAL SURFACES TUBES”
This factor is used to increase the exchange surface area inside the tube, if it is corrugated. The factor that is displayed when you introduce a...
Wed, Mar 30, 2016 at 4:13 PM
CONSIDERATIONS ON CALCULATIONS THAT DO NOT CONVERGE
In the calculation of heat exchangers, although there are rules of general trends related to the construction of the heat exchanger configuration and thermo...
Wed, Mar 30, 2016 at 4:13 PM
HOW COILS CALCULATE CIRCUITS DURING A DESIGN ELABORATION
The “Design” functionality of Coils lets the user choose from a list of coils the best solution for a certain heat transfer and pressure drop requirement. B...
Wed, Mar 30, 2016 at 4:13 PM
CONSIDERATIONS ON THE THICKNESS OF THE ICE OF THE HEAT TRANSFER COILS
This question on the effects of the thickness of the ice in the heat transfer coils and why sometimes the duty/ capacity increases instead of decreasing ? ...
Wed, Mar 30, 2016 at 4:14 PM
CONSIDERATIONS ABOUT SUPERHEATING AND SUBCOOLING IN COILS CONDENSING MODE
Our calculation engine uses the Bell calculation method. This method says that if the outlet air temperature is below the condensing temperature, it is...
Thu, Aug 11, 2016 at 5:10 PM
WHY THE GLOBAL COEFFICIENT FOR 3/8” GEOMETRY IS HIGHER, EVEN CONSIDERING THE LOWER COEFFICIENT OF THE FLUID SIDE, IN COMPARISON WITH THE ½” GEOMETRY? WHY THE PRESSURE DROP FLUID SIDE OF 3/8” GEOMETRY IS HIGHER THAN 1/2” IF THE FLUID SPEED I
Regarding the Heat Exchange Coefficient, the calculation is correct because this coefficient doesn’t depend only from Partial Exchange Coefficients, but als...
Wed, Mar 30, 2016 at 4:17 PM
HOW DO COILS CALCULATE THE MANIFOLDS IN DIRECT EXPANSION MODE OR COOLING MODE?
One interesting feature of Coils is the possibility to automatically select the manifolds for the design of a coil. This feature is available for all the ca...
Wed, Mar 30, 2016 at 4:18 PM
WHAT KIND OF FORMULA IS USED BY THE SOFTWARE TO CALCULATE THE GLOBAL HEAT TRANSFER COEFFICIENT? WHAT ABOUT THE PARTIAL COEFFICIENTS FINS SIDE AND TUBES SIDE?
Regarding the Heat Exchange Coefficient, the formula used is the following: A = 1/(Partial Exchange Coefficient Air Side * Finned Surface Efficienc...
Wed, Mar 30, 2016 at 4:19 PM
GEOMETRY FACTORS IN COILS
Following are the factors in coils that will enhance or affect the duty of the exchanger. The following are given for some types of fins. FIN TYPOLO...
Wed, Mar 30, 2016 at 4:25 PM