A glass pipe system has a very corrosive liquid flowing in it (think hydrofluoric acid, say). The liquid will destroy flow meters, but you need to know the flow rate. One way of measuring the flow rate is to add a fluorescent dye to the liquid at a known concentration, and then downstream activate the dye by UV light and then measure the dye concentration by emitted light. If the dye is added at 1.00 g/s, and the dye concentration downstream is 0.050% by mass, what is the unknown flow rate in kg/h
glass
If dye is added at 1.0 g/s, and the concentration of dye is 0.05% the unknown flow rate would be 7,200kg/hr.
We have to find the concentration of the tracer here
First of all,
Convert 1 hour to seconds. = 60x60 = 3600 seconds
1kg = 1000g
[tex]CW = 1g/s[\frac{3600seconds}{hour} *\frac{1kilogram}{1000grams} ][/tex]
We have C = 0.05%
0.05% = 0.0005
When we put in these values into the equation:
[tex]0.0005W=\frac{3600}{1000} \\0.0005W = 3.6[/tex]
Divide through by 0.0005
[tex]W=\frac{3.6}{0.0005} \\\\W= 7200 kg/hour[/tex]
In conclusion the unknown flow rate is = 7200kg/hour
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