sf btus per hour per sf of floor area and sfper ton of air conditioning
Handbook Of Air Conditioning And Refrigeration P1
... of Refrigeration Engineering and Air Conditioning as the teaching and learning package, and presented several papers at ASHRAE meetings The First Edition of the Handbook of Air Conditioning and ... of the Properties of Moist Air 2.3 2.2 DALTON’S LAW AND THE GIBBSDALTON LAW 2.3 2.3 AIR TEMPERATURE 2.4 Temperature and Temperature Scales 2.4 Thermodynamic Temperature Scale 2.5 Temperature Measurements ... Desiccant-Based Air Conditioning Systems 1.4 Thermal Storage Air Conditioning Systems 1.5 Clean-Room Air Conditioning Systems 1.5 Space Conditioning Air Conditioning Systems 1.5 Unitary Packaged Air Conditioning...
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Handbook Of Air Conditioning And Refrigeration P2
... temperature of heat source of reversible engine, °R (K) TRo ϭ temperature of heat sink of reversible engine, °R (K) Two of the ASHRAE basic tables, “Thermodynamic Properties of Moist Air ” and ... number of moles of dry air, mol nw ϭ number of moles of water vapor in moist air sample, mol nws ϭ number of moles of water vapor in saturated moist air sample, mol Moist air is a binary mixture of ... и°R (kJ/kg иK) 2.3 AIR TEMPERATURE Temperature and Temperature Scales The temperature of a substance is a measure of how hot or cold it is Two systems are said to have equal temperatures only if...
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code of practice for energy efficiency of air conditioning installations
... purpose of sizing system and equipment but may or may not be the actual operating conditions Page of 20 Code of Practice for Energy Efficiency of Air Conditioning Installations Summer Office and ... automatically as a function of load at design conditions should not exceed 2.1 W per L/s of supply air quantity Page of 20 Code of Practice for Energy Efficiency of Air Conditioning Installations ... reduction of fan speed Page of 20 Code of Practice for Energy Efficiency of Air Conditioning Installations INSULATION 8.1 General All chilled water pipes, refrigerant pipes, ductworks and air handling...
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guidelines on ee of air conditioning installations
... designers of airconditioning systems and operators of air- conditioning plants and installations The guidelines in this handbook seeks to explain the requirements of the AC Code in general terms and ... guidelines of procedures to enable satisfactory operation of the AC plants and energy efficient performance of the equipment 7.4.1 General From the date of commencement of operation of the plants and ... Effective and efficient procedures for operation and maintenance of air conditioning installations can be an essential element for successful energy management of a building Proper operation and maintenance...
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Báo cáo hóa học: " Innovative gait robot for the repetitive practice of floor walking and stair climbing up and down in stroke patients" pdf
... lateralis silent silent tonic Tonic silent silent tonic tonic tonic tonic 90-55 85-55 tonic tonic 85-50 85-45 silent silent silent 90-40 silent silent 90-40 85-45 tonic tonic 90-40 90-50 40-60 ... the edge of the bed (feet placed on the floor and holding on with the non-affected upper limb), but could not transfer, stand or walk independently He required the help of at least one person for ... he was able to transfer, and to stand up independently While standing he had to hold on with the non-paretic hand, and, with the help of a quadricane, he could walk a distance of 20 m without physical...
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CFD model of air movement in ventilated façade: comparison between natural and forced air flow
... efficiency of the whole installation: the separation between the panels, temperature and air velocity of incoming solar radiation and temperatures of solid elements, the heat transfer coefficients of ... efficiency of the façade is the external air temperature The presence of ventilated façade in a building leads to a cooling effect in the skin of this building due to the action of the air movement ... obtain the velocities profiles in the air gap and the temperature distribution across the air and the external building faces The geometry modeled is a simplification of a ventilated façade in...
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The phenomenon of evaporative cooling from a humid surface as an alternative method for air-conditioning
... Water temperature is over that of the air Air is heated and humidified, gaining enthalpy b- Water temperature is between dry bulb and adiabatic saturation temperature of air Air is cooled and humidified, ... those of the inlet air and, consequently, the saturation air temperature can be defined as a thermodynamic property of humid air The value of the wet bulb temperature is close to that of the ... saturation temperature of inlet air Air is cooled and humidified maintaining its enthalpy constant d- Water temperature is between the adiabatic saturation and dew point temperature of inlet air Air si...
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Tài liệu The Applicability of Remote Sensing in the Field of Air Pollution docx
... Atmosphere • Temperature profile • Pressure profile • Profiles of all trace gases that absorb in the spectral region of interest • Profiles of all relevant aerosol properties (absorption and scattering ... on a global scale The spatial and temporal sampling and coverage of the measurement depend on the orbit of the satellite and the viewing and scanning properties of the instrument Most satellite ... ambient air quality assessment and management This Directive covers the revision of previously existing legislation and the introduction of new air quality standards for previously unregulated air...
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Tài liệu Modelling the e®ects of air pollution on health using Bayesian Dynamic Generalised Linear Models pdf
... between air pollution exposure and mortality or morbidity The majority of air pollution and health studies fix the effects of air pollution to be constant over time, and model long-term trends and ... number of parameters, so to aid convergence the covariates (PM10 and the basis functions for the natural cubic splines of calendar time and temperature) are standardised to have a mean of zero and ... models 1,3,5 and 7) and a value of represents no effect of air pollution (a) - Constant effects Table shows the estimated relative risks from models 1, 3, and 7, which force the effects of air pollution...
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Tài liệu Health Aspects of Air Pollution with Particulate Matter, Ozone and Nitrogen Dioxide doc
... Mortality ALL select† SUMMER any Nº STUDIES TIMING RR > RR < 1 hour hours 24 hours hour 24 hours hour hours 24 hours hour hours 24 hours hour hours 13 (8*) (5*) (5*) 17 (13*) 22 (8*) (5*) (5*) (2*) ... nine hours superimposed on a 13-hr base of 60 ppb (120µg/m3), and those in monkeys of Hyde et al (242) and Tyler et al (243) applying hours per day of 150 and 250 ppb (300 and 500µg/m3) The persistent ... indicator of traffic emissions In addition, NO2 and other nitrogen oxides also contribute to the generation of ozone and other oxidant pollutants and are a precursor of the formation of nitric acid and...
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Tài liệu HEALTH ASPECTS OF AIR POLLUTION RESULTS FROM THE WHO PROJECT “SYSTEMATIC REVIEW OF HEALTH ASPECTS OF AIR POLLUTION IN EUROPE” doc
... Meta-analysis of time-series studies and panel studies of particulate matter (PM) and ozone (O3) (6) • Health aspects of air pollution – answers to follow-up questions from CAFE (7) • The effects of air ... dioxide and oxides of nitrogen, particulate matter and lead in ambient air Official Journal of the European Communities, 1999, L 163:41–60 11 EMEP Co-operative programme for monitoring and evaluation ... Centre for Environment and Health of WHO’s Regional Office for Europe has in particular investigated the health effects of ambient air pollution The Regional Office published Air quality guidelines...
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Tài liệu Possible influences of air pollution, dust- and sandstorms on the Indian monsoon doc
... Suppression of rain and snow by urban and industrial air pollution Science 287 (5459), 1793-1796 Li, Z., 2004: Aerosol and climate: a perspective from East Asia In: Obser vation, Theory and Modelling of ... easterly wind shear and a deepening of the Bay of Bengal depression Both are signals of a stronger South Asian monsoon (Webster and Yang, 1992; Goswami et al., 1999; Wang and Fan, 1999; and Lau et al., ... wave response in temperature and wind to increased diabatic heating over India and the Bay of Bengal and reduced heating in the north-western India-Pakistan region (Hoskins and Rodwell, 1995)...
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Tài liệu Effect modification of air pollution on Urinary 8-Hydroxy-2’-Deoxyguanosine by genotypes: an application of the multiple testing procedure to identify significant SNP interactions ppt
... Cooperative Studies Program/ Epidemiology Research and Information Center of the U.S Department of Veterans Affairs, and is a component of the Massachusetts Veterans Epidemiology Research and ... Epidemiology, and Risk Program, Department of Environmental Health, Harvard School of Public Health Boston, MA USA 2VA Normative Aging Study, Veterans Affairs Boston Healthcare System and the Department of ... Boston University School of Medicine, Boston, MA, USA Environmental and Occupational Medicine and Epidemiology Program, Department of Environmental Health, Harvard School of Public Health, Boston,...
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Tài liệu EFFECTS OF AIR POLLUTION FROM A NICKEL-COPPER INDUSTRIAL COMPLEX ON BOREAL FOREST VEGETATION IN THE JOINT RUSSIAN-NORWEGIAN-FINNISH BORDER AREA ppt
... The border area between Russia, Norway and Finland belongs to the north boreal and lowalpine vegetation regions and is covered by forest, alpine heathland, bogs and fens (Moen 1999) The area has ... (2001) and stebel et al (2007), and have been included to make the comparison easier Determination of the exact age of the stands on some of the Finnish plots was problematic because all of the stands ... Russia and 87 from Finland) In each quadrate, the relative cover of each species was estimated together with the cover of litter, stones, bare ground and the height and the relative cover of the...
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Tài liệu Benefits Table database: Estimates of the marginal external costs of air pollution in Europe pptx
... assessment of the externalities of emissions in 1998 of: SO2 (sulphur dioxide): through effects of SO2 and sulphate aerosols on health, and SO2 and acidity on materials NOx (oxides of nitrogen): ... of 4% Coverage of the database and limitations The main limitations of the database reflect the availability of modelling work, particularly for ozone and for shipping, and the availability of ... the example * The dispersion models, combined with GIS data on population distribution, provide an estimate of exposure for rural France of: * 336 person.ug per m3 per tonne of PM2.5 (see 'Further...
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