A food product to produced in the form of small round (pellet) with frozen in the freezer water blast freezer. Air freezer operates at temperature -30 °C. The temperature of the products the beginning is 25 °C. Pellet has a diameter of 1.2 cm, and the density of 980 kg/m³. Temperature frozen beginning is -2.5 °C. The latent heat of freezing product is 280 kJ/kg. Conductivity thermal the frozen product is 1.9 W/(m °C
A food product to produced in the form of small round (pellet) with frozen in the freezer water blast freezer. Air freezer operates at temperature -30 °C. The temperature of the products the beginning is 25 °C. Pellet has a diameter of 1.2 cm, and the density of 980 kg/m³. Temperature frozen beginning is -2.5 °C. The latent heat of freezing product is 280 kJ/kg. Conductivity thermal the frozen product is 1.9 W/(m °C
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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A food product to produced in the form of small round (pellet) with frozen in the freezer water blast freezer. Air freezer operates at temperature -30 °C. The temperature of the products the beginning is 25 °C. Pellet has a diameter of 1.2 cm, and the density of 980 kg/m³. Temperature frozen beginning is -2.5 °C. The latent heat of freezing product is 280 kJ/kg. Conductivity thermal the frozen product is 1.9 W/(m °C). Coefficient displacement convective heat is 50 W/(m²K). Calculate the time freezing.
a. tf =
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