An art school specializes in metal sculptures and to save money and space they don't have ametal workshop with traditional power tools and cutting torches. To make the sculptures thestudents gather scrap metal and use a specialized steamer that heats the already thin metalenough to easily bend and can be used inside around other flammable materials as it is steampowered. The steamer creates the steam and then heats it through a funnel from 100 to 450 °C.Use steam tables to find what the heat input in Watts (W) of the funnel is if a continuous streamof steam at a rate of 50 kg/s undergoes the heating process at a constant pressure.Assumption: We are assuming that the P(bar) of saturation is at 0.1 for our steam tables

Answered: Assumption: We are assuming that the…

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 art school specializes in metal sculptures and to save money and space they don't have a
metal workshop with traditional power tools and cutting torches. To make the sculptures the
students gather scrap metal and use a specialized steamer that heats the already thin metal
enough to easily bend and can be used inside around other flammable materials as it is steam
powered. The steamer creates the steam and then heats it through a funnel from 100 to 450 °C.
Use steam tables to find what the heat input in Watts (W) of the funnel is if a continuous stream
of steam at a rate of 50 kg/s undergoes the heating process at a constant pressure.
Assumption: We are assuming that the P(bar) of saturation is at 0.1 for our steam tables

Expert Solution

Step 1

Given:

The streamer creates the steam at a pressure of 0.1 bar from 100 to 450 ^oC. and the mass flow rate of steam is 50 kg/sec.

From the Steam Table determine the properties of steam,

$A t P = 0.1 b a r, T_{s} = 99.606 ° C, A t P = 0.1 b a r a n d T = 100 ° C S p e c i f i c e n t h a l p y o f s t e a m, h_{1} = 2675.8 k J / k g A t P = 0.1 b a r a n d T = 450 ° C S p e c i f i c e n t h a l p y o f s t e a m, h_{2} = 3382.8 k J / k g$

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