Show all work. Consider cold windy breeze parallel to your face, with an average

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Show all work.

Consider cold windy breeze parallel to your face, with an average facial dimension along the flow of 5 cm. The air velocity is 1 m/s (corresponding to 2.2 miles per hour). Assume laminar flow. Air properties can be found in Appendix C.8. 1) Calculate the thickness of the velocity boundary layer at the end of 5 cm length. 2) Calculate the thickness of the thermal boundary layer at the end of 5 cm length. 3) Provide the physical meanings of the two thicknesses in items 1) and 2). Show all work.

Consider cold windy breeze parallel to your face, with an average facial dimension along the flow of 5 cm. The air velocity is 1 m/s (corresponding to 2.2 miles per hour). Assume laminar flow. Air properties can be found in Appendix C.8. 1) Calculate the thickness of the velocity boundary layer at the end of 5 cm length. 2) Calculate the thickness of the thermal boundary layer at the end of 5 cm length. 3) Provide the physical meanings of the two thicknesses in items 1) and 2).

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http://opencourses.emu.edu.tr/pluginfile.php/1137/mod_resource/content/0/Lecture_Notes/Chapter_4.pdf

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