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1 cubic meter of water must be heated to 60 degrees in an hour (from 10 degrees). What size radiator

By.Johns 2024-08-09 00:36:02 Share on facebook Share on Google Share on Instagram Share on Pinterest Share on Twitter Share on Tumblr Share on WhatsApp Share on Telegram Share on Reddit Visit our Instagram

Introduction 1 cubic meter of water must be heated to 60 degrees in an hour (from 10 degrees). What size radiator to choose? I hope you can give a detailed answer on how to calculate it. Heat absorbed by water Q=cm

1 cubic meter of water must be heated to 60 degrees in an hour (from 10 degrees). What size radiator

The heat absorbed by the water Q=cmt=4.2×10?×10?×50=2.1×10^8J

There are 60×60=3600 seconds in one hour

< p>Water heater power=2.1×10^8J/3600s=58333J/s=58kw

The estimated loss is 5KW

Choose a 65KW water heater.

If you are talking about raising the water to 90 degrees Celsius, then you need to use a 105 kilowatt electric heater, excluding losses. From W=Q, we obtain Pt=cm variable t, P ·. 3600s=4.2*10^3J/(kg·℃)*1m^3*1*10^3kg/m^3*90℃, so P=1.05*10^5W=105kW.

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