A nozzle is a device for measuring the velocity of flow. At inlet to a nozzle the enthalpy is 3026 kJ/k, the velocity is 60 m/s. At exit from the nozzle the enthalpy is 2790 kJ/kg. The nozzle is horizontal and there is a negligible heat loss from the nozzle. • Find he velocity at nozzle exit (688m/s) • The inlet area is 0.1 m2 and the specific volume at the inlet is 0.19 m³/s, find (0.36kg/s) If the specific volume at the nozzle exit is 0.5 m²/kg. find the exit area of the (0.0299m2) the mass flow rate nozzle

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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A nozzle is a device for measuring the velocity of flow. At inlet to a nozzle the
enthalpy is 3026 kJ/k, the velocity is 60 m/s. At exit from the nozzle the enthalpy
is 2790 kJ/kg. The nozzle is horizontal and there is a negligible heat loss from
the nozzle.
Find he velocity at nozzle exit
The inlet area is 0.1 m2 and the specific volume at the inlet is 0.19 m²/s, find
the mass flow rate
• f the specific volume at the nozzle exit is 0.5 m²/kg, find the exit area of the
nozzle
(688m/s)
(0.36kg/s)
(0.0299m2)
Air and fuel enter a furnace used for home heating. The air has an enthalpy of
320 kJ/kg and the fuel has an enthalpy of 43027 kJ/kg. The gases leaving the
furnace has an enthalpy of 616 kJ/kg. There are 17 kgair / kgfuel, water circulated
through the wall furnace receiving heat. The hose required 17.02 kW of heat,
what is the fuel consumption per day.
(41 kg/day)
Transcribed Image Text:A nozzle is a device for measuring the velocity of flow. At inlet to a nozzle the enthalpy is 3026 kJ/k, the velocity is 60 m/s. At exit from the nozzle the enthalpy is 2790 kJ/kg. The nozzle is horizontal and there is a negligible heat loss from the nozzle. Find he velocity at nozzle exit The inlet area is 0.1 m2 and the specific volume at the inlet is 0.19 m²/s, find the mass flow rate • f the specific volume at the nozzle exit is 0.5 m²/kg, find the exit area of the nozzle (688m/s) (0.36kg/s) (0.0299m2) Air and fuel enter a furnace used for home heating. The air has an enthalpy of 320 kJ/kg and the fuel has an enthalpy of 43027 kJ/kg. The gases leaving the furnace has an enthalpy of 616 kJ/kg. There are 17 kgair / kgfuel, water circulated through the wall furnace receiving heat. The hose required 17.02 kW of heat, what is the fuel consumption per day. (41 kg/day)
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