Illumination, Color and Imaging Evaluation and Optimization of Visual Displays
Exergoeconomic performance optimization of an endoreversible intercooled regenerated Brayton cogeneration plant Part 1: Thermodynamic model and parameter analyses
... power output and thermal exergy output rate are
H
ϕ
,
P
ϕ
and
K
ϕ
, respectively, and the profit rate of cogeneration plant is defined as:
International Journal of Energy and Environment ... with the increase of
R
E
.
Figure 6. Effects of
R
E
on the characteristics of
opt
Π
and
()
opt
ex
η
Π
versus
π
Figure 7. Effect of
R
E
on the characteri...
CFD for hydrodynamic efficiency and design optimization of key elements of SHP
... the AB and CD segments
In Graph 8 the inversion of the flow velocity in the middle of the draft tube enhance the inversion of the
flow due to the influence of the rotational speed and the ... rotational flow type. The influence of the design in the tailrace is quite important in terms
of with, length and depth, position of the gate and the uplift of the sill making...
Exergoeconomic performance optimization of an endoreversible intercooled regenerated Brayton cogeneration plant Part 2: Heat conductance allocation and pressure ratio optimization
... Characteristic of
,, ,
,
()
opt
j jhlki
u
=
Π
and
()
opt
ex
η
Π
versus
1
π
2.2 Maximum dimensionless profit rate and corresponding exergetic efficiency
Figures 3 and 4 show the characteristics of ... pressure ratio and a group of optimal heat conductance allocations of the
hot-, cold- and consumer-side heat exchangers and the intercooler which lead to a maximum...
Exergoeconomic performance optimization of an endoreversible intercooled regenerative Brayton combined heat and power plant coupled to variable-temperature heat reservoirs
...
minH
C
and
maxH
C
are the smaller and the larger of the two capacitance rates
H
C
and
wf
C
,
minL
C
and
maxL
C
are the smaller and the larger of the two capacitance rates
L
C
and
wf
C
, ... profit rate, and one can obtain that the value of
max
()
h
u
Π
is about
0.4 0.5
∼
, the value of
max
()
l
u
Π
is about
0.1
, the value of
max
()
k
u
Π
is about...
Cooling load and COP optimization of an irreversible Carnot refrigerator with spin-1/2 systems
... Director of the Department o
f
Nuclear Energy Science and Engineering, the Director of the Department of Power Engineering and the
Superintendent of the Postgraduate School. Now, he is Dean of the ... performance of harmonic and spin-1/2 quantum refrigeration cycles, many authors studied the
performance of quantum refrigerator using ideal quantum Bose and Fermi gases [3...
Hamilton–Jacobi–Bellman equations and dynamic programming for power-optimization of radiative law multistage heat engine system
... Director of the Department of
Nuclear Energy Science and Engineering, the Director of the Department of Power Engineering and the
Superintendent of the Postgraduate School. Now, he is the Dean of the ... corresponds to integrands in Eqs. (26) and (27), and
'
1
(, ,)
fTTt
corresponds to the right
term of Eq. (25). Then HJB control equations corresponding to object...
Numerical simulation and optimization of CO2 sequestration in saline aquifers for enhanced storage capacity and secured sequestration
... storage efficiency of an aquifer is also dependent on various injection strategies and
parameters associated with them; the optimization of the storage efficiency of an aquifer is of great
interest ... application of GA-TOUGH2 on
two optimization problems: (a) design of an optimal water-alternating-gas (WAG) injection scheme for a
vertical injector in a generic aquifer...
Optimization of design and operating parameters on the year round performance of a multi-stage evacuated solar desalination system using transient mathematical analysis
...
kg/m
2
/day and 13.335 kg/m
2
/day for fresh water at a distillate efficiency of 50.989% and 24.245% and
overall thermal efficiency of 81.171% and 40.362% are found in the months of March and December ... in the month of March of 955.56 W/m
2
at 13:00 and minimum in December of 705.56 W/m
2
at 12:00. Whereas ambient temperature is
maximum of 36.1
o
C at 13:00 i...
Optimization of injection timing and injection pressure of a DI diesel engine fueled with preheated rice bran oil
... of injection timing and
230 bar of injection pressure. Similarly the brake thermal efficiency was lower at 21°CA bTDC of
injection timing and 230 bar of injection pressure.
4. The oxides of ... Results and discussion
3.1 Performance and emission parameters at standard injection timing (23° deg bTDC) and injection
pressure (200 bar)
The performance and emission para...
Process evaluation and treatability study of wastewater in a textile dyeing industry
... diameter bed of C.B.C. as before. The
COD and residual color of the effluent were measured to check the adequacy of bed volume. The COD
and residual color after chemical oxidation alone and chemical ... oxidation of textile dyeing wastewater. It brought about a final COD of
240 mg/L and no residual color at a C.B.C. dosage of 10% under a contact period of 90
min...
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