Q1: At a constant velocity of 20 m/s, air passes across a flat plate with ambient pressureand temperature of 20 kPa and 20°C. At a distance of 7.5 cm from the leading edge, theplate is heated to a constant temperature of 75°C. How much heat is transferred overallfrom the leading edge to a location 35 cm from the leading edge?TwQ2: The critical Reynolds number for flow over a flat plate in a particular application is10°. This critical Reynolds number and an isothermal plate temperature of 400 K areencountered by air flowing across it at 1 atm, 300 K, and 10 m/s. At the end of the plate,the Reynolds number is 5 x 106. What will average heat transfer coefficient be for thissystem? What is the length of the plate? What is the plate's loss of heat?Re21WatQ3: At 50 kPa and 300 K, air moves at an average velocity of 6 m/s across a 20-cm-ThooPsquare plate. To provide a steady flow of heat, an electrical heater is mounted within theplate. If the plate temperature is limited to 600 K, how much heat can be dissipated2overall?Tw

Step 1:Solution(1):Given:Velocity, V = 20 m/sAmbient pressure, P∞ = 20 kPaAmbient temperature, T∞ =…

Answered: Q1: At a constant velocity of 20 m/s,…

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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An ideal gas passes a diffuser. At the diffuser inlet, the temperature is T1 = 350.00 K, the pressure P1 = 100.00 kPa, the velocity V1 = 200.00 m/s, and the inlet area A1 = 0.30 m2. At the exit, the velocity is very small. The specific heat of the ideal gas at the constant pressure is cp = 1.0050 kJ/(kg·K). The gas constant is R = 0.2870 kPa·m3/(kg·K). Determine the mass flow rate __________(kg/s)

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