Steam with 80% quality is being used to heat a 40% total solids tomato purée as it flows through a steam injection heater at a rate of 400 kg/h. The steam is generated at 169.06 kPa and is fl owing to the heater at a rate of 50 kg/h. Assume that the heat exchanger effi ciency is 85%. If the specifi c heat of the product is 3.2 kJ/(kg K), determine the temperature of the product leaving the heater when the initial temperature is 50C. Determine the total solids content of the product after heating. Assume the specific heat of the purée is not infl uenced by the heating process.
Heat Exchangers
Heat exchangers are the types of equipment that are primarily employed to transfer the thermal energy from one fluid to another, provided that one of the fluids should be at a higher thermal energy content than the other fluid.
Heat Exchanger
The heat exchanger is a combination of two words ''Heat'' and ''Exchanger''. It is a mechanical device that is used to exchange heat energy between two fluids.
Steam with 80% quality is being used to heat a 40% total
solids tomato purée as it flows through a steam injection heater
at a rate of 400 kg/h. The steam is generated at 169.06 kPa
and is fl owing to the heater at a rate of 50 kg/h. Assume that
the heat exchanger effi ciency is 85%. If the specifi c heat of
the product is 3.2 kJ/(kg K), determine the temperature of the
product leaving the heater when the initial temperature is
50C. Determine the total solids content of the product after
heating. Assume the specific heat of the purée is not infl uenced by the heating process.
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