The term subcooling refers to a liquid existing at a temperature below its normal boiling point. For example, water normally boils at 100°C (at atmospheric pressure); at room temperature 20°C the water is termed "subcooled". Analogically the subcooling is defined also in nuclear engineering but for another purpose.

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Figure 2: Examples of q-line slopes The q-line (depicted in blue in Figure 1) starts at the x = y line and intersects the starting point of the rectifying section operating line. The parameter q is the mole fraction of liquid in the feed, and the slope of the q-line is q / (q - 1).

May 22,  · If the temperature of the liquid is lower than the saturation temperature for the existing pressure, it is called either a subcooled liquid or a compressed liquid. The term

Equation 7 is the equation of the operating line for the stripping section. The feed type is characterized by using a factor q, defined as the number of moles of liquid flow in the stripping

used for the distillation of subcooled liquid ( or superheated vapor) feed. There is also the q-1. (10). This is known as the equation of the feed line.

Apr 15,  · The term Subcool refers to any temperature that is below the saturation condensing point of the refrigerant. Let’s say I have a saturation temperature of eighty degrees and the line temperature is at seventy-seven degrees. We now know that we have a three degree Subcool. The efficiency of your system depends on how much liquid refrigerant is

Oct 03,  · Adding the material balance (Q-line) to the y-x diagram

Note that qcan be less than zero (superheated vapor) or greater than unity (subcooled liquid). The slope of the q-line is q/(q - 1). The construction of the two operating lines and the q-line is performed in Excel as follows: 1. The rectifying-section operating line is drawn using Eqs. 1 and 2 and the specifi ed values of x D and R.

Boiling a liquid with Xa of 0.2 produces a vapour with Ya of 0.57 Subcooled liquid q > 1 q line /; Bubble point liquid q = 1 q line |; Partially 

For example, when a subcooled liquid with mole fraction of A=0.4 (point A) is about the condition of the feed mixture, then we can construct the q-line 

PDF AKS 11 Temperature sensor | R (Typ.) [Ohm] 1117 1078 1039 1000. AMP-Plug (selected sensors only). 1000 ohm at 0 °C. Class B. Cable resistance @ 20 ºC: PVC 2 x 0.22 mm² (Resistance per conductor R1 = 78.2 Ohm/km) The constant conductor resistance: R = 2 x R1 The total resistance in the sensor circuit is therefore: R + RTD.

If the feed is a mixture if liquid and vapor, "q" is the fraction that is liquid, i.e. q = 1-y, where y is molar fraction of vapor phase in the 

If feed is a subcooled liquid, q>1 (i.e., L' augmented by vapor condensation), "slope" of feed equation is positive; If feed is a superheated vapor, q<0 (i.e., L' decreased evaporation), "slope"

There is no “ideal feed condition” for distillation tower design. · Let us check out the cases: · Sub Cooled Feed (q>1): · Well, a sub cooled feed at the feed tray 

The y-intercept of the q-line for a subcooled liquid feed is negative O zero positive ; Question: The y-intercept of the q-line for a subcooled liquid feed is negative O zero positive . This problem has been solved! See the answer See the answer See the