Anticipating the coming of the hydrogen economy, an enthusiastic mechanical engineer invents a steam generator. Pure hydrogen,
Question:
Anticipating the coming of the “hydrogen economy,” an enthusiastic mechanical engineer invents a steam generator. Pure hydrogen, H2, enters the wellinsulated combustion chamber at 298 K with a flow rate of 0.3 kg/s. The oxidizer is pure oxygen, O2, and enters in stoichiometric proportions (i.e., Φ = 1). A steam generator coil is located in a well-insulated tailpipe of the apparatus. Saturated liquid water enters the steam-generator coil at 10MPa. Steam (saturated vapor at 10 MPa) exits the coil. The products of combustion (H2O) exit the tailpipe at 2000 K. Neglect any dissociation in either the combustion chamber or the tailpipe. Determine the following (including units):
A. The mass flow rate of the O2
B. The maximum temperature in the combustion chamber assuming all the H2 and O2 react to form H2O at constant pressure
C. The heat removed from the product stream in the tailpipe section
D. The mass flow rate of the steam through the steam-generator coil
Step by Step Answer:
Thermodynamics Concepts And Applications
ISBN: 9781107179714
2nd Edition
Authors: Stephen R. Turns, Laura L. Pauley