A 20 cm-diameter-copper cylinder is to be heated from 50 °C to an average temperature of 150 °C with 111074 J of heat transfer. Given the average density and specific heat of copper in this temperature range to be p = 8950 kg/m³ and cp = 0.395 kJ/kg.-°C, respectively, determine, [Sebuah silinder kuprum berdiameter 20 cm dipanaskan daripada 50°C ke suhu purata 150°C dengan pemindahan haba sebanyak 111074 J . Diberikan ketumpatan purata dan haba spesifik dalam lingkungan haba tersebut ialah p = 8950 kg/m² and c, = 0.395 kJ/kg..°C. Tentukan] (a) The height of copper cylinder. [Tinggi silinder kuprum.] (i) (ii) The time required if the rate of heat transfer is 30.85 W. [Masa diperlukan jika kadar pemindahan haba ialah 30.85W.] (iii) The average heat flux. [Haba fluks purata.]

A 20 cm-diameter-copper cylinder is to be heated from 50 °C to an average temperature of 150 °C with 111074 J of heat transfer. Given the average density and specific heat of copper in this temperature range to be p = 8950 kg/m³ and cp = 0.395 kJ/kg.-°C, respectively, determine, [Sebuah silinder kuprum berdiameter 20 cm dipanaskan daripada 50°C ke suhu purata 150°C dengan pemindahan haba sebanyak 111074 J . Diberikan ketumpatan purata dan haba spesifik dalam lingkungan haba tersebut ialah p = 8950 kg/m² and c, = 0.395 kJ/kg..°C. Tentukan] (a) The height of copper cylinder. [Tinggi silinder kuprum.] (i) (ii) The time required if the rate of heat transfer is 30.85 W. [Masa diperlukan jika kadar pemindahan haba ialah 30.85W.] (iii) The average heat flux. [Haba fluks purata.]

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)

8th Edition

ISBN:9781305387102

Author:Kreith, Frank; Manglik, Raj M.

Publisher:Kreith, Frank; Manglik, Raj M.

Chapter3: Transient Heat Conduction

Section: Chapter Questions

Problem 3.12P

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