hvac cooling and heating load analysis

... DISCUSSION AND CONCLUSION In this study, natural ventilation and direct evaporative cooling almost have similar cooling effectiveness Direct evaporative cooling requires sophisticated equipments and ... various passive cooling and heating strategies and their combinations The weather in Hanoi is found to be naturally comfortable during only 23.6% of total time of a year whereas in Danang and Hochiminh ... USING PASSIVE COOLING AND HEATING STRATEGIES 3.1 Passive cooling by natural ventilation Precise comfort improvement by elevated air speed has not been established Both ASHRAE 55 [2] and ISO 7730...

Ngày tải lên: 17/06/2015, 09:05

... DISCUSSION AND CONCLUSION In this study, natural ventilation and direct evaporative cooling almost have similar cooling effectiveness Direct evaporative cooling requires sophisticated equipments and ... various passive cooling and heating strategies and their combinations The weather in Hanoi is found to be naturally comfortable during only 23.6% of total time of a year whereas in Danang and Hochiminh ... USING PASSIVE COOLING AND HEATING STRATEGIES 3.1 Passive cooling by natural ventilation Precise comfort improvement by elevated air speed has not been established Both ASHRAE 55 [2] and ISO 7730...

Ngày tải lên: 19/06/2015, 10:00

... deterioration) and required more and higher vasopressor dosages than survivors There was no association between MAP quartiles and 28-day mortality As the only covariates SAPS II and the mean vasopressor load ... pre-existent arterial hypertension and the mean vasopressor load on these associations was evaluated Statistical analysis The SPSS software program was used for statistical analysis (SPSS 15.0; SPSS Inc, ... improve outcome This post hoc analysis of a multicenter trial investigates the influences of MAP levels of 70 mmHg or higher and the vasopressor load on 28-day mortality and disease-related events...

Ngày tải lên: 13/08/2014, 19:20

... simultaneously start the design of the heating, cooling, and lighting Because of this inseparable relationship between architectural features and the heating, cooling, and lighting of buildings, we can ... achieved by a compact design and a fireplace or stove, cooling by opening windows to the wind and shading them from the sun, and lighting by windows, oil lamps, and candles By the 1960s, the situation ... cooling Daylighting Natural Energies and Passive Techniques Direct gain Trombe wall Sunspace Evaporative cooling Convective cooling Radiant cooling Skylights Clerestories Light shelves Tier Heating...

Ngày tải lên: 19/06/2015, 11:30

... solar energy and heat pump system can bring about various thermal applications for domestic and industrial use, such as water heating, solar drying, space cooling, space heating and refrigeration ... pump system for cooling, water heating and drying Chapter Introduction In this study, an attempt has been made to recover the heat from condenser(s) and utilized it for water heating and drying applications ... conditioner and absorbs heat from a space for cooling purpose, which means space cooling The energy from these two heat sources, plus the energy added by compressor, is used for water heating and air heating...

Ngày tải lên: 14/09/2015, 08:37

... the ratio of cooling energy and electricity energy price, and Bh is the ratio of heating energy and electricity energy price Commercial prices of electric power are 0.623 RMB/kW$h, heating at 0.19 ... with set for heating, cooling and power production, an increase of oxygen equivalence ratio leads to a rise of cooling production With the increase of air flow, the electric power and heating energy ... 0.21 and 0.3 And the LHV was found to be 5.01 MJ/Nm3 without preheating and steam [30]) At 1150  C, the use of an air-steam gasifying mixture leads to a MJ/kg improvement in the product gas heating...

Ngày tải lên: 29/07/2016, 14:02

... urban area in Japan and agricultural drains when agricultural chemicals are applied In addition, analysis of agricultural chemicals by GC/MS was simultaneously carried out and their ecotoxicity ... inhibition) ratio for daphnia and mortality ratio for fish in acute toxicity tests were used as water quality indexes - 225 - GC/MS Analysis of Agricultural Chemicals GC/MS analysis was applied to ... (GV) for water quality control in the Water Supply Law of Japan, and had been prepared a mixture standard solution for simultaneous analysis commercially (Wako Pure Chemical Industries., Ltd., Japan)...

Ngày tải lên: 05/09/2013, 10:15

... specifically the HVAC system It was made two simulations for each vehicle in the original driving cycle, with the HVAC system off (corresponding to 784W [11] of electrical load) , and with the HVAC system ... Electrical load In this case study there were made two kinds of simulation for each vehicle: with the HVAC system off, and with HVAC system on The more accessories are on, more energy and power ... few of most important capabilities and behaviour of BEV and PHEV-FC road vehicles facing the driving style, road gradient, occupancy rate, electrical load, and battery's initial state of charge...

Ngày tải lên: 05/09/2013, 14:58

... people (1291) and related ventilation and, to a lesser amount, the load from internal equipment and lights For example, the hospital average lighting and plug loads were 12.68 W/m2 and 23.18 W/m2, ... along with the “Machinery and Engines” and “Air conditioning, Refrigeration, and Warm Air Heating Equipment” for the appropriate industry and sector categories Results and discussion The following ... December and January were 116 MTCO2e and 122 MTCO2e, during July and August were both 45 MTCO2e For Duluth (7), during December and January were 122 MTCO2e and 129 MTCO2e, during July and August...

Ngày tải lên: 05/09/2013, 15:28

... syntax and semantics and giving an overview of syntactic and semantic features of negation in both English and Vietnamese 12 - Studying negation in terms of its structures and semantics and finding ... structures and semantic characteristics and how it works in English and Vietnamese Chapter will focus on two parts: comparison between English and Vietnamese negatives in terms of syntactic features and ... distinguish few and a few, little and a little because of their different meaning and usage Lets see these examples: Mr Commissioner, if you let the land sharks take the roof from over my children and the...

Ngày tải lên: 11/12/2013, 23:53

... English and Vietnamese-A contrastive analysis We also hope that specific analysis and suggested exercises provided will contribute a small part in teaching and learning Semantics in general and metonymy ... Minh Hải - 40A2 Metonymy in English and Vietnamese-A contrastive analysis language and is still understandable and acceptable because the hearer can understand what the sentences imply In the ... we believe and how we act We listen to and Graduation paper Trịnh Minh Hải - 40A2 Metonymy in English and Vietnamese-A contrastive analysis take over existing habits of speaking and thinking...

Ngày tải lên: 19/12/2013, 15:06

... antonyms E.g."sky" and " earth" are antonyms when they symbolize the meaning of high and low "day " and "night " symbolize for "light anddark", up date and out of date " "elephant and mouse" symbolize ... part of speech and to the same semantic field but are opposite in meaning E.g married and single awake and asleep big and small They are antonyms But considering the words "big "and "red", they ... word can have different antonyms E g short and long short and tall old and young old and new Polysemantic words may have antonyms in some of their meanings and more in the others When "criticism"...

Ngày tải lên: 20/12/2013, 18:16

... groups and proverbs, we will come to the next part 1.1.4 Distinction between idioms and free word groups and proverbs 1.1.4.1 Free word groups and idioms The distinction between free word groups and ... idioms referring to Head and a contrastive analysis with Vietnamese ones based on structural and semantic features We hope that this will be an interesting and useful teaching and learning material ... idioms referring to Head and also help them understand the cultural characteristics of English and Vietnamese people via the idioms The third aim is to help the teaching and learning of idioms...

Ngày tải lên: 20/12/2013, 18:33

... the standard and high-efficiency motors are $4520 and $5160, respectively Solution A worn-out standard motor is to be replaced by a high-efficiency one The amount of electrical energy and money ... Assumptions The load factor of the motor remains constant at (full load) when operating Analysis The electric power drawn by each motor and their difference can be expressed as # # Welectric in,standard ... removal, heat gain, heat loss, heat storage, heat generation, electrical heating, resistance heating, frictional heating, gas heating, heat of reaction, liberation of heat, specific heat, sensible...

Ngày tải lên: 20/01/2014, 15:19

Ngày tải lên: 25/01/2014, 15:20

Ngày tải lên: 25/01/2014, 15:20

... 3.1.1 Sources for Analysis The data from this booklet had been used for analysis of the overall results of the project, coverage of new accounts opened, and analysis of willingness and unwillingness ... Sources for Analysis 15 3.2 Account Usage Behaviour 16 3.2.1 Sources for Analysis 16 3.3 Cost and Break Even of No Frills Accounts 16 3.3.1 Sources for Analysis ... transactions and balance Some of the reasons behind non usage of accounts are also covered 3.2.1 Sources for Analysis For usage analysis, transaction data were collected from bank branches on a randomly...

Ngày tải lên: 16/02/2014, 11:20

... and K Griebenow Structural dynamics and serine protease catalysis Table Kinetic and thermodynamic parameters derived from amide H D exchange rates for a-CT and for the various lactose-a-CT and ... J Sola and K Griebenow Structural dynamics and serine protease catalysis Table Global energetic parameters and DebyeWaller temperature factors calculated for the protein portion of a-CT and the ... dynamics and enzyme kinetics Next we performed a statistical correlation analysis (Fig 6) between the structural dynamic (DGHX,1) and catalytic (DG k2, DG k3) thermodynamic parameters (Tables and...

Ngày tải lên: 19/02/2014, 05:20

... uncertain, and whether unnecessary information led to cognitive overload for learners also remains inconclusive According to the studies done by Jones and Plass (2002) and Diao, Chandler and Sweller ... cognitive load, and vice versa This result was identical to the correlation between English listening comprehension and cognitive load Discussion concerning all research questions Cognitive load and ... only and the double mode group learned with sound and text Cognitive load and listening in foreign language learning From the perspective of the modality effect, double mode, including visual and...

Ngày tải lên: 24/02/2014, 18:20

... the grammatical and semantic characteristics of onomatopoeia The former includes Kloe (1977), Kaida et al (1985) and Taylor (2006), and the latter Schourup (1993) and Tamori and Schourup (1999) ... corpus- and usage-based analysis to clarify grammatical/semantic features of representative onomatopoeic words; and (iii) to examine register variations of onomatopoeic words Method and Data ... (documents, reports, etc.) / Learned and scientific writings / General fiction / Mystery and detective fiction / Science fiction / Adventure and Western fiction / Romance and love story / Humor) This...

Ngày tải lên: 24/02/2014, 18:20