Air at 1 atm and 285 K enters a 2-m-long rectangular duct with cross section 75 mm 150 mm. The duct is maintained at a constant surface temperature of 400 K, and the air mass flow rate is 0.10 kg/s. Determine the heat transfer rate from the duct to the air and the air outlet temperature
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Lecture 11: Fluids/Thermodynamics Outcomes Explain the different pressures and calculate o Atmospheric pressure o Absolute pressure o Gauge pressure o Hydrostatic pressure o Vacuum pressure Pressure Normal force exerted per unit area by a fluid Where o P = pressure (scalar) o F = normal force (vector) o A = area (vector!) SI units: N/m = Pascal [Pa] US: lb fin = psi Also bar, mm Hg, in Hg, torr (see unit conversion sheet) Pressure Example 1 Pressure - Types & Relationships Atmospheric [P atm - pressure exerted at a certain location o Standard atmospheric pressure = 1 atm (at sea level)
Textbook: Introduction to Heat Transfer
Author: Theodore L. Bergman
This textbook survival guide was created for the textbook: Introduction to Heat Transfer, edition: 6. Since the solution to 8.85 from 8 chapter was answered, more than 556 students have viewed the full step-by-step answer. This full solution covers the following key subjects: . This expansive textbook survival guide covers 13 chapters, and 1422 solutions. The answer to “Air at 1 atm and 285 K enters a 2-m-long rectangular duct with cross section 75 mm 150 mm. The duct is maintained at a constant surface temperature of 400 K, and the air mass flow rate is 0.10 kg/s. Determine the heat transfer rate from the duct to the air and the air outlet temperature” is broken down into a number of easy to follow steps, and 56 words. Introduction to Heat Transfer was written by and is associated to the ISBN: 9780470501962. The full step-by-step solution to problem: 8.85 from chapter: 8 was answered by , our top Engineering and Tech solution expert on 09/27/17, 04:59PM.