1. A non-ideal air-standard regenerative Brayton cycle produces 10MW of power. The effects of irreversibilities
in the adiabatic expansion and compression process are to be considered. The regenerator effectiveness is 70%.
The turbine and compressor isent
MEC 526
Modern Power Cycles
Homework Assignment
Combined Cycle
Due 10/29/15
Stony Brook University
Department of Mechanical Engineering
The combined-cycle power plant shown below uses a gas
turbine as shown in figure 2-29 below. The GT exhaust
enters a he
1. A simple ideal Brayton cycle operates with air with minimum and maximum
temperature of 27 O C and 727 O C. It is desired so that the maximum cycle pressure is
2000 kPa and the minimum cycle pressure is 100 kPa. Determine the net work
produced per unit
Homework 4
1. Consider a steam power plant that operates on a regenerative rankine cycle and
has a net power output of 150 MW. Steam enters the turbine at 10 Mpa and 500C
and the condenser at 10 kPa. The isentropic efficiency of the turbine is 80% and
tha
1. Consider a solar-pond power plant that operates
on a simple ideal Rankine cycle with refrigerant134a as the working fluid. The refrigerant enters the
turbine as a saturated vapor at 1.4 Mpa and leaves
at 0.7 MPa. The mass flow rate of the refrigerant i
Lecture 9
Combined Cycles and
Cogeneration
Cogeneration Systems
Are integrated systems that simultaneously yield
two valuable products, electricity and steam (or hot
water) from a single fuel input.
Typically provide cost savings relative to producing
pow
Lecture 8
Brayton Cycle (Gas Turbines)
Continued
Regeneration Example 2-5
Calculate the cycle net output and thermal
efficiency for a regenerative Brayton Cycle with
the following operating conditions:
Compressor Inlet Conditions: 14.7 psia, 60F
Turbine I
Lecture 10
Combined Cycles and
Cogeneration Continued
OTTO, DIESEL AND DUAL CYCLES
Learning Outcomes
Conduct air-standard analyses of internal
combustion engines based on the Otto, Diesel,
and dual cycles, including the ability to
sketch p-v and T-s diagr
1. Consider a steam power plant that operates on the ideal reheat Rankine cycle. The
plant maintains the inlet of the high-pressure turbine at 600 psia and 600 O F , the inlet
of the low-pressure turbine at 200 psia and 600 O F, and the condenser at 10 ps
1. Consider a solar-pond power plant that operates
on a simple ideal Rankine cycle with refrigerant134a as the working fluid. The refrigerant enters the
turbine as a saturated vapor at 1.4 Mpa and leaves
at 0.7 MPa. The mass flow rate of the refrigerant i
Name:
Homework 1
1. Find the enthalpy, entropy and % moisture for each of
the state point below using Mollier Diagram: Please mark
each point on the diagram and enter values after each
question. Hand in diagram and these sheets stapled
together please.
a)