///C:/Users/MEGA/Downloads/Cengel.%20Heat%20and%20mass%20Transfer%20Fundar 10-10 Water is boiled at 120°C in a mechanically polished stainless-steel pressure cooker placed on top of a heating unit. The inner surface of the bottom of the cooker is maintained at 130°C. Determine the heat flux on the surface. Answer: 228.4 kW/m²
///C:/Users/MEGA/Downloads/Cengel.%20Heat%20and%20mass%20Transfer%20Fundar 10-10 Water is boiled at 120°C in a mechanically polished stainless-steel pressure cooker placed on top of a heating unit. The inner surface of the bottom of the cooker is maintained at 130°C. Determine the heat flux on the surface. Answer: 228.4 kW/m²
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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Transcribed Image Text:file:///C:/Users/MEGA/Downloads/Cengel.%20Heat%20and%20mass%20Transfer%20Fundamen:
10-10 Water is boiled at 120°C in a mechanically polished
stainless-steel pressure cooker placed on top of a heating unit. The
inner surface of the bottom of the cooker is maintained at 130°C.
Determine the heat flux on the surface. Answer: 228.4 kW/m²
10-11 A platinum-plated rod with a diameter of 10 mm is
submerged horizontally in water at atmospheric pressure. If
the surface of the rod is maintained at 10°C above the satu-
ration temperature, determine the nucleate pool boiling heat
transfer rate per unit length and the rate of evaporation per unit
length (in kg/s-m).
10-12
P= 1 atm
C&s
Water, 100°C
FIGURE P10-11
Water is boiled at 361 kPa in a high-pressure sys-
tem with an ASTM B371 brass rod. The ASTM
B371 rod has a diameter and length of 5 mm and 15 cm,
respectively. The rod is immersed in the water horizontally.
The maximum use temperature for ASTM B371 brass rod is
149°C (ASME Code for Process Piping, ASME B31.3-2014.
Table A-1M). The ASTM B371 rod is supplied with a heat
transfer rate of 20 kW to boil the water. Determine if the sup-
*
Platinum-plated rod
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