An automotive radiator has glycerine at 95°C enter and return at 55°C as Air flows in at 20°C and leaves at 25°C.

Question 1

An automotive radiator has glycerine at 95°C enter and return at 55°C as Air flows in at 20°C and leaves at 25°C. If the radiator should transfer 25 kW what is the mass flow rate of the glycerine and what is the volume flow rate of air in at 100 kPa?

Question 2

If we take a control volume around the whole radiator then there is no external heat transfer - it is all between the glycerin and the air. So we take a control volume around each flow separately.

kratos · Answer 1 · 2021-03-08T19:27:51+0000

If we take a control volume around the whole radiator then there is no external heat transfer - it is all between the glycerin and the air. So we take a control volume around each flow separately.

An automotive radiator has glycerine at 95°C enter and return at 55°C as Air flows in at 20°C and leaves at 25°C.

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An automotive radiator has glycerine at 95°C enter and return at 55°C as Air flows in at 20°C and leaves at 25°C.

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1 Answer

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