types of energy efficient heating and cooling systems
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, ...
[13] TRNSYS Software, v.16.1, 2007.
[14] Technical Chamber of Greece. Comprehensive national standards parameters for calculating the
energy performance of buildings and issuing of energy performance ... current
study as part of parametric analysis.
Sizing software calculates borehole length considering the heating and cooling demands. In the current
study the values of these demands are very close...
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UNIFIED FACILITIES CRITERIA (UFC): HEATING AND COOLING DISTRIBUTION SYSTEMS ppt
Ngày tải lên :
27/06/2014, 05:20
... INFORMATION
1-1. PURPOSE AND SCOPE. This document provides criteria and guidance for the design and
construction of heating and cooling distribution systems and supplements information in ... INFORMATION
1-1. PURPOSE AND SCOPE. This document provides criteria and guidance for the design and
construction of heating and cooling distribution systems and supplements information in ... longevity of buried heating or cooling distribution systems. There are three types of valve
manhole drainage systems described in this manual: gravity drainage, pumped drainage from a sump basin,
and...
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Energy-Efficient Computing and Networking pdf
Ngày tải lên :
07/03/2014, 20:20
...
transmission and distribution invariably encounters the barrier of energy
storage. Limitations of energy storage can be offset, to a degree, by reliable
forecasting of granular demand leading ... flexibility of the remaining
energy producing units and loads. Therefore Demand Side Management (DSM) is
becoming more and more important to keep the balance between energy generation
and energy ... schema of anticipation and sequential placing of orders to the supplier.
In the next section, a brief introduction to the proposed concept of Energy Internet
is presented and the role of energy...
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Research Opportunities for Managing the Department of Energy''''s Transuranic and Mixed Wastes potx
Ngày tải lên :
15/03/2014, 15:20
... which was directed by the Secretary of
Energy (DOE, 2002). As a result of the review, the Office of Biological
and Environmental Research within the Office of Science will become
solely responsible ... costs and uncertainties in DOE’s manage-
ment and disposal of its TM wastes.
16
TRU waste disposal in the Waste Isolation Pilot Plant will require
handling and characterizing hundreds of thousands ... as examples of
the range and detail of citizens’ concerns.
• Size (mobility) of facility
• Cost of facility
• Complexity of operation
• Temperature
• Pressure
• Hazardous reagents
• Energy efficiency
•...
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fluid dynamics of packed columns principles of the fluid dynamic design of columns for gasliquid and liquidliquid systems
Ngày tải lên :
02/04/2014, 14:41
... food, energy and electronic industry. They are often equipped with
different kinds of packings. Understanding of principles for packing design, internal traf-
fic of phases within the column and ... bottom t
W
and at the top t
D
of the
column, and on the price of the heating steam C
H
, the optimum operating temperature
t
D,opt
of a condenser operated with cooling water is in the range of 40−55
◦
C[1].Once
the ... hydraulic
behaviour of packed columns for the development of a new method for the standard
presentation of the fluid dynamics of columns with any type of packing design. The basic
principles of the method...
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Influence of different breeds, feeding and housing systems on sow reproductive performance and piglet''''s resistance to diseases in Central Vietnam pdf
Ngày tải lên :
21/06/2014, 06:20
... lowland and urban
areas can develop new breed as F1 and exotic breed (Yorkshire and Landrace), more
farmers in sandy and highland areas by their favour in MC -local breed.
Sow breeding types ... support the funds and all of CARD partner of project
No. 04/2007 and we would like to thank to all of farmers for animal husbandry and
on-
farm data recording. We thank the staff of the different ... sows and pigs in their systems, herewith a maximum average of sow
number for group of illiterate farmers.
Table 6. Influence of educational levels on sow number keeping and sow breeding
types...
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Báo cáo hóa học: " Research Article Coexistence Performance of High-Altitude Platform and Terrestrial Systems Using Gigabit Communication Links to Serve Specialist Users" potx
Ngày tải lên :
21/06/2014, 23:20
... depends on the shape of the
reflector and the method of illumination, α is the half power
beamwidth. n
H
and n
U
control the rate of the main beam
power roll-off of the HAP antenna and the user antenna,
respectively. ... 3π/2,
−−→
r
i+1
=
⎧
⎪
⎪
⎪
⎪
⎪
⎪
⎨
⎪
⎪
⎪
⎪
⎪
⎪
⎩
−−−→
PC
i−1
+
−→
r
i
2
,
π
2
<arccos
−−→
POI·
−−−−→
PCINR
|
−−→
POI·
−−−−→
PCINR|
≤
3π
2
,
−−→
PC
i
+
−→
r
i
2
,
−
π
2
<arccos
−−→
POI·
−−−−→
PCINR
|
−−→
POI·
−−−−→
PCINR|
≤
π
2
,
(22)
where
→
r
is the vector of the aiming point,
→
a
s
is the vector
of SPP,
−−→
POI is the vector of POI,
−−→
PC
i
is the vector of the peak
carrier value, and
−−−−→
PCINR is the vector of the peak CINR ... sets of
random points.
Figure 13 shows the CDFs of best, mean, and worst case
distances after 20 iterations. It shows that 75% of the mean
distance cases are within 10 km on average, with 82% of...
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UNIFIED FACILITIES CRITERIA (UFC) HEATING AND COOLING DISTRIBUTION pdf
Ngày tải lên :
27/06/2014, 17:20
... INFORMATION
1-1. PURPOSE AND SCOPE. This document provides criteria and guidance for the design and
construction of heating and cooling distribution systems and supplements information in ... \2\ DoD agencies /2/ and their
contractors involved in the design and construction of heating and cooling distribution systems.
1-3. REFERENCES. Appendix A contains a list of references used ... life of systems, and simpler
system controls for hot water systems often offset the costs of larger piping required. For further assistance
for selecting the system type, refer to ASHRAE Handbook,...
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mirlin. statistics of energy levels and eigenfunctions in disordered systems
Ngày tải lên :
24/04/2014, 17:14
... properties of spectra of quantum systems whose classical analogs
are chaotic.
Another class of systems to which the RMT applies and which is of special interest to us here is
that of disordered systems. ... behavior of the distribution
263A.D. Mirlin / Physics Reports 326 (2000) 259}382
Abstract
The article reviews recent developments in the theory of #uctuations and correlations of energy levels and
eigenfunction ... realizations of the random potential. The deviations of the level and eigenfunction statistics
from their RMT form strengthen with increasing disorder and become especially pronounced at the
Anderson...
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Báo cáo hóa học: "Synthesis and characterization of VO2-based thermochromic thin films for energy-efficient windows" pdf
Ngày tải lên :
21/06/2014, 04:20
... derivative of both
curves of the hysteresis loops (heating and cooling) and
considering the mean value.
Results and discussion
Structural characterization
The crystal structure of the three sets of films ... the Fermi energy level shift toward
the conduction band. Since intrinsic VO
2
thin film is of
n-type, introduction of ion donors c ause an inevitable
degradation of the transmittance (and resistivity) ... increase and contribute to trap charge
carriers which will result in loss of the metallic behavior.
We speculate that in case of W- and Mo-doped films,
this effect could be more marked t han that of...
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Bơm ECD-V - P - Types of Systems in ECD-V Series
Ngày tải lên :
23/10/2012, 09:09
... surrounding the diesel engine and described the ECD
system (ECD-V series) and the common-rail system. This session describes the types of systems in the ECD-V series
and their system configurations.
... the control of the injection volume
on a cylinder-by-cylinder basis.
Depending on the type of final injection volume
correction and the solenoid spill valve that are used,
three types of ECD-V3 ... reduce the combustion noise of the engine.
1
1
Types of Systems in ECD-V Series
1-1 ECD-V Series
1-2 Injection Pump for ECD-V3
SERVICE TECH Vol.465 03-4
11
The configuration of the ECD-V series system...
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An investigation into some types of verbal responses to questions in English and Vietnamese conversation
Ngày tải lên :
07/11/2012, 14:54
... have just and discussed various patterns by native speakers of English and
Vietnamese. The next table is the summary of response types to question in English and
Vietnamese
Response types ... basis of evidence he has. In (27), there is a clash of non-observance of the maxim of
Quantity and Quality.
A great number of similar cases are available in Vietnamese. These patterns of
responses ... 5.1. Frequencies of Response Types to Questions by Native speakers of English and
Native Speakers of Vietnamese
In the situations, we deal with response patterns between someone of a high status...
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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
... categorized in terms of duration
and type of inundation. We proposed 4 levels based on duration of inundation (short-
term, long-term, persistent and non-inundation) and 5 types of inundation (rainy, ... evaluation of
water supply and sanitation systems of low income urban community in Dhaka,
Bangladesh, Journal of Water and Health, IWA, vol.10.
Murray C. J., Salomon J. S., Mathers C. D. and Lopez ... 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:...
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