= 3) Consider an automobile windshield (kw = 1.4 W/mK) with an overall height of 0.5 m and thickness of 5 mm. The outsid

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3 Consider An Automobile Windshield Kw 1 4 W Mk With An Overall Height Of 0 5 M And Thickness Of 5 Mm The Outsid 1 (28.19 KiB) Viewed 20 times

= 3) Consider an automobile windshield (kw = 1.4 W/mK) with an overall height of 0.5 m and thickness of 5 mm. The outside air (1 atm) ambient temperature is -5°C and the average airflow velocity over the outer windshield surface is 80 km/h. To defrost ice accumulated on the outer surface of an automobile windshield, air is blown over the inner surface of the windshield, while the ambient temperature inside the automobile is 25°C. Determine the value of the airflow velocity, for the air blowing over the inner surface of the windshield, necessary to cause the accumulated ice to begin melting.