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types of energy efficient heating and cooling systems

Parametric analysis of geothermal residential heating and cooling application

Parametric analysis of geothermal residential heating and cooling application

Vật lý

... 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

UNIFIED FACILITIES CRITERIA (UFC): HEATING AND COOLING DISTRIBUTION SYSTEMS ppt

Năng lượng

... 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

Energy-Efficient Computing and Networking pdf

Phần cứng

... 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

Research Opportunities for Managing the Department of Energy''''s Transuranic and Mixed Wastes potx

Điện - Điện tử

... 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 becomesolely responsible ... costs and uncertainties in DOE’s manage-ment and disposal of its TM wastes.16TRU waste disposal in the Waste Isolation Pilot Plant will requirehandling 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

fluid dynamics of packed columns principles of the fluid dynamic design of columns for gasliquid and liquidliquid systems

Hóa học - Dầu khí

... food, energy and electronic industry. They are often equipped withdifferent kinds of packings. Understanding of principles for packing design, internal traf-fic of phases within the column and ... bottom tW and at the top tD of thecolumn, and on the price of the heating steam CH, the optimum operating temperaturetD,opt of a condenser operated with cooling water is in the range of 40−55◦C[1].Oncethe ... hydraulicbehaviour of packed columns for the development of a new method for the standardpresentation of the fluid dynamics of columns with any type of packing design. The basicprinciples 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

Influence of different breeds, feeding and housing systems on sow reproductive performance and piglet''''s resistance to diseases in Central Vietnam pdf

Báo cáo khoa học

... 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:

Báo cáo hóa học: " Research Article Coexistence Performance of High-Altitude Platform and Terrestrial Systems Using Gigabit Communication Links to Serve Specialist Users" potx

Hóa học - Dầu khí

... depends on the shape of thereflector and the method of illumination, α is the half powerbeamwidth. nH and nUcontrol the rate of the main beampower roll-off of the HAP antenna and the user antenna,respectively. ... 3π/2,−−→ri+1=⎧⎪⎪⎪⎪⎪⎪⎨⎪⎪⎪⎪⎪⎪⎩−−−→PCi−1+−→ri2,π2<arccos−−→POI·−−−−→PCINR|−−→POI·−−−−→PCINR|≤3π2,−−→PCi+−→ri2,−π2<arccos−−→POI·−−−−→PCINR|−−→POI·−−−−→PCINR|≤π2,(22)where→ris the vector of the aiming point,→asis the vector of SPP,−−→POI is the vector of POI,−−→PCiis the vector of the peakcarrier value, and −−−−→PCINR is the vector of the peak CINR ... sets of random points.Figure 13 shows the CDFs of best, mean, and worst casedistances after 20 iterations. It shows that 75% of the meandistance cases are within 10 km on average, with 82% of...
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UNIFIED FACILITIES CRITERIA (UFC) HEATING AND COOLING DISTRIBUTION pdf

UNIFIED FACILITIES CRITERIA (UFC) HEATING AND COOLING DISTRIBUTION pdf

Kĩ thuật Viễn thông

... 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

mirlin. statistics of energy levels and eigenfunctions in disordered systems

Vật lý

... properties of spectra of quantum systems whose classical analogsare chaotic.Another class of systems to which the RMT applies and which is of special interest to us here isthat of disordered systems. ... behavior of the distribution263A.D. Mirlin / Physics Reports 326 (2000) 259}382AbstractThe 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 statisticsfrom their RMT form strengthen with increasing disorder and become especially pronounced at theAnderson...
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Báo cáo hóa học:

Báo cáo hóa học: "Synthesis and characterization of VO2-based thermochromic thin films for energy-efficient windows" pdf

Hóa học - Dầu khí

... derivative of bothcurves of the hysteresis loops (heating and cooling) and considering the mean value.Results and discussionStructural characterizationThe crystal structure of the three sets of films ... the Fermi energy level shift towardthe conduction band. Since intrinsic VO2thin film is of n-type, introduction of ion donors c ause an inevitabledegradation of the transmittance (and resistivity) ... increase and contribute to trap chargecarriers 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

Bơm ECD-V - P - Types of Systems in ECD-V Series

Cơ khí - Chế tạo máy

... surrounding the diesel engine and described the ECDsystem (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 volumeon a cylinder-by-cylinder basis. Depending on the type of final injection volumecorrection and the solenoid spill valve that are used,three types of ECD-V3 ... reduce the combustion noise of the engine.11 Types of Systems in ECD-V Series1-1 ECD-V Series1-2 Injection Pump for ECD-V3SERVICE TECH Vol.465 03-411 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

An investigation into some types of verbal responses to questions in English and Vietnamese conversation

Thạc sĩ - Cao học

... 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 VietnameseIn 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

Children’s Health Deficits due to Diarrhoea: Effects of Water Supply and Sanitation Systems in Slums with Different Water Logging Conditions

Môi trường

... 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: Short-term and Drainage, LSD: Long-term and Stagnant, LHT: Long-term and Heavy rainy, LMK: Long-term and Monsoon flood, PDL: Persistent and Drainage, PHS:...
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