A Thomas flowmeter is a device in which heat is transferred at a measured rate from an electric coil to a flowing fluid, and the flow rate of the stream is calculated from the measured increase of the fluid temperature. Suppose a device of this sort is inserted in a stream of nitrogen, the current through the heating coil is adjusted until the wattmeter reads 1.00 kW, and the stream temperature goes from 25.0°C and 110 kPa before the heater to 28.6°C and 110 kPa after the heater. If the specific enthalpy of nitrogen is given by the formula a(wike) = 1.04(7(*c) - 250) what is the volumetric flow rate of the gas (L/s) upstream of the heater (i.e. at 25.0°C and 110 kPa)? L/s

A Thomas flowmeter is a device in which heat is transferred at a measured rate from an electric coil to a flowing fluid, and the flow rate of the stream is calculated from the measured increase of the fluid temperature. Suppose a device of this sort is inserted in a stream of nitrogen, the current through the heating coil is adjusted until the wattmeter reads 1.00 kW, and the stream temperature goes from 25.0°C and 110 kPa before the heater to 28.6°C and 110 kPa after the heater. If the specific enthalpy of nitrogen is given by the formula a(wike) = 1.04(7(*c) - 250) what is the volumetric flow rate of the gas (L/s) upstream of the heater (i.e. at 25.0°C and 110 kPa)? L/s

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.

Chapter6: Forced Convection Over Exterior Surfaces

Section: Chapter Questions

Problem 6.8P

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