trane heating and cooling systems reviews
Parametric analysis of geothermal residential heating and cooling application
Ngày tải lên :
05/09/2013, 16:10
... reads the annual TRNSYS heating and cooling load profile so as to
determine the values of the peak heating and cooling loads for each month of the year (see Table 2) and
their durations. Moreover, ... geometrical attributes and
inf
H
the factor of opening’s position and
air force exposure.
Annual heating demand of the building is 33.78 kWh/m
2
whereas cooling demand is 27.34 kWh/m
2
. ... temperature estimations (average deviation ±2.5 K) when annual heating and cooling
demand values are close and approximately equal to 30 kWh/m
2
and it is assumed heat pump absence.
5. Conclusion...
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Children’s Health Deficits due to Diarrhoea: Effects of Water Supply and Sanitation Systems in Slums with Different Water Logging Conditions
Ngày tải lên :
05/09/2013, 10:15
... SHU: Short-term and Heavy rainy,
SDG: S
hort-term and Drainage, LSD: Long-term and Stagnant, LHT: Long-term and Heavy rainy,
LMK: L
ong-term and Monsoon flood, PDL: Persistent and Drainage, PHS: ... supply
and (c) sanitation systems and attitudes for (d) water treatment at home, (e)
children’s defecation habits and (f) hygiene practices
Note: Communities code name, SRM: Short-term and Rainy, ... no latrine at all
Hand washing with soap before eating
Hand washi ng without s oap before eating
No hand washing before eating
Hand washing after defecation with soap
Hand washing after defecation...
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Nano and Microelectromechanical Systems P4
Ngày tải lên :
17/10/2013, 11:15
... rotational, and hybrid actuators and
sensors can be synthesized, and a motion classifier is
{ }
ℵ∈=ℵ nn:
.
Therefore, we have
( ){ }
=ììì nTtGgMmntgmTGM and, ,:,,,
.
Winding and cooling, power and size, ... or characteristic. Let A stands for actuators, B stands for
sensors, and C stands for translational motion microstructure. Then, the
region ABC represents actuators and sensors which are synthesized ... excitation, air gap and winding configurations, cooling
and other important quantities. All possible actuator and sensor
configurations can be classified using endless (closed) and open-ended
(open)...
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Nano and Microelectromechanical Systems P6
Ngày tải lên :
19/10/2013, 18:15
... NANO- AND MICROELECTROMECHANICAL
SYSTEMS
4.1. FUNDAMENTALS OF ELECTROMAGNETIC RADIATION AND
ANTENNAS IN NANO- AND MICROSCALE
ELECTROMECHANICAL SYSTEMS
The electromagnetic power is generated and ... fields,
electric and magnetic field vectors form separate and independent pairs. That
is, E and D are not related to H and B, and vice versa. However, for time-
varying electric and magnetic fields, ... closed-loop systems use the data from different
sensors, feedback commands (controls) are generated and executed, and
intelligent updates and evolution are performed. The feedback for sensor and
control...
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Nano and Microelectromechanical Systems P5
Ngày tải lên :
19/10/2013, 18:15
... the stator and rotor circuitry dynamics. As the control and state
variables we use the voltages applied to the stator (as and bs) and rotor (ar
and br) windings, as well as the stator and rotor ... bs
,
and
i
cs
are the phase currents in the stator windings as, bs and cs;
i i
qs ds
,
and
i
os
are the quadrature-, direct-, and zero-axis components of
stator currents;
ψ ψ
as bs
,
and ... ds
,
and
ψ
os
are the quadrature-, direct-, and zero-axis components of
stator flux linkages;
u u
ar br
,
and
u
cr
are the voltages in the rotor windings ar, br and cr;
u u
qr dr
,
and
u
or
...
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The Future of Wireless Banking Implementation of Wireless Banking and Financial Systems
Ngày tải lên :
26/10/2013, 16:15
... changing standards for APIs,
gateways, security methods, screens, operating systems, and browsers.
There are also
variable computing
powers on the handheld devices and different bandwidth requirements.
Wireless ... The
WebSphere application server will handle the data dynamically and adapt it to the handheld device. Also
it can run multiple applications and requests, and can be easily integrated to the backend ... install, configure and add new services:
ã The client application must be easy to install, customize, and add new handheld devices.
ã Easy to Integrate with other servers and Back-End systems:
ã Integration...
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Darwinism, Design, and Complex Systems Dynamics
Ngày tải lên :
01/11/2013, 07:20
... Evolution and the Meanings of Life. New
York: Simon and Schuster.
Depew, D. J. 1998. Intelligent design and irreducible complexity. A rejoinder. Rhetoric
and Public Affairs 1: 571–8.
Depew, D. J., and ... Evolutionary Systems: Biological and Epistemological
Perspectives on Selection and Self-Organization, ed. G. Van de Vijver, S. N. Salthe,
and M. Delpos. Dordrecht: Kluwer, pp. 59–66.
Weber, B. H., and ... Brains, Cities, and Software.
New York: Scribner.
Joyce, G. F., and L. E. Orgel 1993. Prospects for understanding the origin of the
RNA world. In The RNA World, ed. R. F. Gesteland and J. F. Atkins....
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GSM, cdmaOne and 3G systems P1
Ngày tải lên :
07/11/2013, 16:15
... is
H
4
=
"
H
2
H
2
H
2
H
2
#
=
2
6
6
6
4
1111
1
11
1
11
1
1
1
1
11
3
7
7
7
5
(1.45)
where row 1 and column 1 are Walsh code 0, or w
0
;row3andcolumn3arew
1
;row 4and
column 4 are w
2
; and row 2 and column 2 are w
3
. The Walsh code number w
j
is ... vectors
g
1
=
101
]
and g
2
=
111
]
(1.17)
and the corresponding code word
c
2
c
1
]
,where
c
1
=
2
6
4
b
2
b
1
b
0
3
7
5
g
1
and c
2
=
2
6
4
b
2
b
1
b
0
3
7
5
g
2
(1.18)
and where b
0
, b
1
,andb
2
are ... polynomials
g
1
(
z
)=
1
+
z
2
and g
2
(
z
)=
1
+
z
+
z
2
(1.19)
where 1 denotes the present input bit, and z and z
2
represent the previous input bits having
one and two clock period delays, respectively, and
+
is...
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Tài liệu GSM, cdmaOne and 3G systems P3 doc
Ngày tải lên :
14/12/2013, 23:15
... of
the variations in the terrain and the distribution of buildings and streets. We allow for these
variations by introducing a random variable λ having zero mean and standard deviation σ.
Often λ ... random variable of the error in S
0
(dB)
δ
0
random variable of the power control error in the received
interference power
ε random variable with standard deviation
p
2 σ
e
λ shadow fading random ... variations using a log-normal distribution having a standard deviation of 4 dB and 3.5
dB for LOS and OOS paths, respectively [26]. The effect of path loss and shadow fading
on the received signal power...
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Tài liệu GSM, cdmaOne and 3G systems P4 pdf
Ngày tải lên :
14/12/2013, 23:15
... filter pass band extends from 0 to f
p
and the stop band extends from f
s
to ∞. Within
the pass band the filter response is prescribed within the limits
δ
1
, and within the stop
band the filter ... PNI and PNQ codes, baseband filtered
and modulated onto two quadrature carriers using the phase mapping described in Table 4.7.
The PNI and PNQ codes have the same offset as the pilot channel and ... PNI and PNQ sequences dis-
play perfect cross-correlation (see Equation (4.26)) and autocorrelation (see Equations (4.31)–
(4.34)) properties. This is not so in the practical cdmaOne systems and...
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Tài liệu GSM, cdmaOne and 3G systems P5 pdf
Ngày tải lên :
14/12/2013, 23:15
... interfering mobile and zeroth BS, is
r
j
=
q
D
2
j
+
r
2
2D
j
r cos
(
ϕ
)
(5.81)
and ζ is the difference between λ
ij
and λ
0
, the independent random variables with zero mean
and standard deviation ... b
i
(
t
)
represents random independent binary data, and
as a consequence the intracellular interference is a stationary random process. From the
Central Limit Theorem, the summation of N
1 independent random ... random variable with zero mean and variance of
σ
2
ζ
=
2σ
2
, while D
j
is the distance between the zeroth BS and the jth co-channel BS. Note
that a
2
0 j
in Equation (5.80) is the path loss and...
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Tài liệu GSM, cdmaOne and 3G systems P6 pdf
Ngày tải lên :
14/12/2013, 23:15
... of address and control information to the PDU for routing
within and between PLMNs. Encapsulation, and its reverse, are performed between the
GGSN nodes of PLMNs, and between the SGSN and an MS. ... wider bandwidth
systems as more bandwidth is available for 3G networks. We therefore agree that IS-95 is a
2.5G system and its evolution to 3G should be smooth. This is not so for 2G TDMA systems
which ... Chapter
6
Evolution of GSM and cdmaOne to
3G Systems
6.1 Introduction
The previous chapters have concentrated on the two leading second generation (2G) cellular
systems: GSM and IS-95. These systems are deployed...
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Tài liệu Robotics and Autonomous Systems docx
Ngày tải lên :
22/12/2013, 21:18
... Dordrecht, 1991.
[13] C.C. Lee, Fuzzy logic in control systems: Fuzzy logic
controller, Parts I and II, IEEE Transactions on Systems, Man
and Cybernetics 20 (2) (1990) 404–435.
[14] H. Maaref, ... small) for the values
between 0.2 and 0.7, Z (approximately zero) for the
values between −0.2 and 0.2, NS (negative small) for
the values between −0.2 and −0.7, and NB (negative
big) for the values ... ∗) are different
and they differ from only one linguistic concept (PS
instead of PB and Z instead of PS and NS). So, we
can claim that the extracted rules are quite logical and
coherent. Moreover,...
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