![]() Heat energy will flow from the environment to the interior of the box by increasing the temperature of the product. It will "take" energy from product lowering its temperature.ģ. I understand that this amount sublimate and by the time of transportation of the product. The energy equivalent in dry ice sublimation process from the second point corresponds to about 48 kg of dry ice (?, cell G11 in excel) ? specific heat of the dough is 2.7 J/g*C heat of sublimation of dry ice is: 580 J/g specific heat of dry ice is: 0.805 J/g*C From the (Measuring the Heat of Sublimation of Dry Ice with a Polystyrene Foam Cup Calorimeter, Albert W. degrees by placing inside the Styrofoam pack with dry ice.Ģ. Title: Time in Transit - Quantity of Dry Ice Required.xlsx Author: Oliver Created Date: 3:12:33 AM. Initial temperature of the dough is -18 C deg. The report includes guidelines for helping to determine safe limits for carriage of dry ice on commercial airplanes and a CD-ROM-based software tool designed to. Transit Time (quantity of Dry Ice Required) Time in Transit - Quantity of Dry Ice Required 75lbs 100lbs Top Bottom Top Bottom Top Bottom Top Bottom Top Bottom 50lbs 10lbs 15lbs 20lbs 30lbs 40lbs. My calculations and data placed in the attached excel file, but I'm not sure if they are correct.ġ. What is the optimum amount of dry ice inside the Styrofoam pack, if we want to received a frozen dough (temp.-18) after 3 days of transportation in temperature 20 C ?
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