draughtboard reactive mixing h2 air in a shear flow

Gas transfer at the air-water interface in a turbulent flow environment pdf

Gas transfer at the air-water interface in a turbulent flow environment pdf

... Gas Transfer at the Air- Water Interface in a Turbulent Flow Environment Abstract The gas transfer process across the air- water interface in a bottom -shear- induced turbulent environment was investigated ... Evaporation Air Water thermal / salinity convective cells Int era B) Wind-shearinduced turbulence n tio ac er Int n C) Bottom-shearinduced turbulence Wind Shear Water Turbulence Diffusion Air Interaction ... important gas transfer process in nature is the oxygen absorption into natural water bodies Oxygen is a fundamental parameter for natural water bodies to sustain aquatic life and to take up organic...

Ngày tải lên: 29/03/2014, 18:20

151 333 0
A numerical study on the deformation of liquid filled capsules with elastic membranes in simple shear flow

A numerical study on the deformation of liquid filled capsules with elastic membranes in simple shear flow

... alternative approach, numerical simulation has attracted much attention and various numerical methods have been developed 1.3.1 Arbitrary Lagrangian Eulerian method The arbitrary Lagrangian Eulerian (ALE) ... capsule has attracted much attention in the past few decades The physics involved is important not only in fundamental research, but also in medical and industrial applications For example, in ... much as that of Section 2.2.1 2.2.3 Flow around a hovering wing A rigid wing undergoing both translational and rotational motion within a rigid box is studied as a more stringent case to validate...

Ngày tải lên: 11/09/2015, 16:08

215 318 0
Nitrogen Dynamics and Biomass Production in a Vertical Flow Constructed Wetland Cultivated with Forage Rice and their Mathematical Modeling

Nitrogen Dynamics and Biomass Production in a Vertical Flow Constructed Wetland Cultivated with Forage Rice and their Mathematical Modeling

... the leaf area Roughly, the plant height increased until 120 days after transplantation, and thereafter a constant height was maintained in every case The leaf area index (LAI), however, increased ... experimental and model analysis approaches MATERIALS AND METHODS Pot Experiment A series of experiments was performed at an open -air experimental station located in Ibaraki Prefecture, Japan Figure ... N., Sato, H., Hirasawa, H., Takadate, M., Tamura, K., Ando, I., Ishii, T., Iida, S., Maeda, H., Aoki, N., Ideta, O., Hirabayashi, H., and Ohta, H (2003) A new rice variety for whole-crop silage...

Ngày tải lên: 05/09/2013, 09:38

16 581 1
Formation of Aerobic Granular Sludge in a Continuous-Flow Reactor – Control Strategy for the Selection of Well-Settling Granular Sludge

Formation of Aerobic Granular Sludge in a Continuous-Flow Reactor – Control Strategy for the Selection of Well-Settling Granular Sludge

... SVI gradually decreased due to aerobic granulation, as shown in Figs and As sludge settling ability increased, surface loading and aeration rates were gradually increased, and finally set at 1.8 ... known as an important factor influencing the sludge selection in an SBR (McSwain et al., 200 4a) Generally, surface loading rate (equal to liquid linear velocity at a sludge settling zone) and aeration ... aeration rates Formation of Aerobic Granular Sludge by Controlling Surface Loading and Aeration Rates Surface loading and aeration rates were initially set at 1.2 m3/m2/d and 0.30 L/min, respectively,...

Ngày tải lên: 05/09/2013, 10:15

8 482 0
Topological studies of circular and elliptic jets in a cross flow

Topological studies of circular and elliptic jets in a cross flow

... to as CJICF), and the second part looked at the effects of jet exit geometry on the characteristics of non-circular jet in a cross flow In all cases, the cross flow was maintained in a laminar ... et al (2000), Hasselbrink and Mungal (200 1a, 2001b), Rivero et al (2001), Cortelezzi and Karagozian (2001) and Gollahalli and Pardiwalla (2002) One of the main reasons why analysis of this particular ... cross flow A Dantec hot-film probe connected to a Dantec constant temperature anemometer channeled the signals to a data acquisition board in a computer after appropriate signal filtering and conditioning...

Ngày tải lên: 17/09/2015, 17:19

201 416 0
Curing an air lock in a hot water pipe

Curing an air lock in a hot water pipe

... A Further method was sent in by a user, Dave Maynard: When needing to pass mains cold water pressure across to air locked hot water supply using kitchen mixer taps: Easier than trying to find ... now unable to exit from the hand blocked tap outlet, will instead flow across to the hot water pipe causing a backflow in the hot water system, clearing the airlock Note: If you have a similarly ... find another tap and having to use a long hose which may, anyway, not fit the shape of some taps Simpler than playing around with washing machine hoses Procedure: 1)Squeeze the single mixer tap...

Ngày tải lên: 17/12/2013, 10:45

3 272 0
Long-term Exposure to Traffic-related Air Pollution and Type 2 Diabetes Prevalence in a Cross-sectional Screening-study in the Netherlands pdf

Long-term Exposure to Traffic-related Air Pollution and Type 2 Diabetes Prevalence in a Cross-sectional Screening-study in the Netherlands pdf

... all national, provincial and municipal authorities in the study area and were linked to a digital map of all roads in the Netherlands (NWB), using GIS Other land use data were obtained from a ... to work in the area of Amsterdam, around 60 km away No freeways are present in the study area Two highways, known as provincial roads in the Netherlands, with a traffic flow of approximately 15,000 ... conducted using ArcInfo (ESRI, Redlands, CA) Statistical analyses Participants with missing values on exposure variables and the covariates age, gender and income were excluded from all analyses We...

Ngày tải lên: 06/03/2014, 19:20

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Air pollution exposure estimation using dispersion modelling and continuous monitoring data in a prospective birth cohort study in the Netherlands potx

Air pollution exposure estimation using dispersion modelling and continuous monitoring data in a prospective birth cohort study in the Netherlands potx

... resulting in an averaged spatially resolved concentration pattern for each wind class Various input data was taken into account in the calculations as described earlier [18,19], including annual data ... averages In addition, we examined mean maternal PM10 and NO2 exposure levels during total pregnancy according to maternal characteristics and infant characteristics Information on these characteristics ... home address, using a combination of continuous monitoring data and GIS based dispersion modelling techniques, taking into account both the spatial and temporal variation in air pollution In addition,...

Ngày tải lên: 06/03/2014, 19:20

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Air Pollution: Action in a Changing Climate pdf

Air Pollution: Action in a Changing Climate pdf

... Local case study: Perth and Kinross Air Quality Action Plan Recognising the linkages between air quality and climate change, Perth and Kinross Council assessed the impact of its draft Air Quality ... likely to mean that deployment will be increasingly in urban areas and replace natural gas use Impacts are therefore likely to be increasingly negative on urban air quality However, “red” status could ... http://www.decc.gov.uk/en/content/cms/publications/lc_trans_plan/lc_trans_plan.aspx http://www.defra.gov.uk/environment/quality /air/ airquality/strategy/index.htm Why we care about air pollution? An updated assessment, based on 2008 data, shows that...

Ngày tải lên: 29/03/2014, 14:20

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Báo cáo hóa học: " Boundary layer flow past a stretching/shrinking surface beneath an external uniform shear flow with a convective surface boundary condition in a nanofluid" pptx

Báo cáo hóa học: " Boundary layer flow past a stretching/shrinking surface beneath an external uniform shear flow with a convective surface boundary condition in a nanofluid" pptx

... with shooting technique Mathematical formulation Consider a two-dimensional steady boundary layer shear flow over a stretching/shrinking sheet in a laminar and incompressible nanofluid of ambient ... Razak Jengka, Pahang, Malaysia 2Centre for Modelling & Data Analysis, School of Mathematical Sciences, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, 43600 UKM Bangi, Selangor, ... nanofluids over a moving surface in a flowing fluid Int J Therm Sci 2010, 49:1663-1668 Bachok N, Ishak A, Nazar R, Pop I: Flow and heat transfer at a general three-dimensional stagnation point...

Ngày tải lên: 21/06/2014, 04:20

7 213 0
Báo cáo lâm nghiệp: "Changes in air quality in different phases of forest management process in a sub-mountain beech ecosystem (West Carpathian Mts.)" pdf

Báo cáo lâm nghiệp: "Changes in air quality in different phases of forest management process in a sub-mountain beech ecosystem (West Carpathian Mts.)" pdf

... trends, we also evaluated temporal trends and input dynamics of the proton load Evaluating the annual means we can see (Fig 1) that the trend of proton load (H+) was increasing on all the studied ... is fairly resistant to the changing acidity The increasing ozone concentration is a serious risk factor in this sub-mountain area, in spite of the fact that it does not reach the extreme values ... Springer-Verlag: 111–121 Gerosa G., Mazzali C., Ballarin-Denti A. , 2001 Techniques of ozone monitoring in a mountain forest region: passive and continuous sampling, vertical and canopy profiles In: Proceedings...

Ngày tải lên: 07/08/2014, 03:22

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Báo cáo y học: " Discovery of serum biomarkers of alcoholic fatty liver in a rodent model: C-reactive protein" doc

Báo cáo y học: " Discovery of serum biomarkers of alcoholic fatty liver in a rodent model: C-reactive protein" doc

... protease inhibitor Kazal-type (SPINK5) and heak shock protein 75 kDa (HSP75) and afamin loading standard (data not shown) Figure 4A and 4B show that CRP particularly increased in AFL rats compared ... Page of 10 compared To ensure the correct establishment of the animal models, several indicators in the serum including aspartate aminotransferase (AST), alanine aminotransferase (ALT), total ... biomarkers VDBP, vitamin D binding protein; HP, haptoglobin; CRP, Creactive protein; AFP, alpha-fetoprotein; ITIH4, Inter-alpha-inhibitor H4 heavy chain; SPINK5, Serine protease inhibitor Kazal-type 5;...

Ngày tải lên: 10/08/2014, 10:20

10 486 0
Báo cáo y học: " Suspected association of ventricular arrhythmia with air pollution in a motorbike rider: a case report" pptx

Báo cáo y học: " Suspected association of ventricular arrhythmia with air pollution in a motorbike rider: a case report" pptx

... echocardiography was also normal The patient had no obvious signs of ongoing infection and he had normal laboratory findings Thus, myocarditis was an uncertain diagnosis in this case There was ... the association between air pollution and atrial fibrillation [5] and supraventricular extrasystoles and supraventricular tachycardia [6] Most of the studies so far concerning arrhythmia and air ... (as in the present case), causing ventricular tachyarrhythmias and ventricular fibrillation [8] In a similar manner the inhaled particles also stimulate irritant receptors in the Page of (page...

Ngày tải lên: 11/08/2014, 21:22

3 288 0
effects of split injection, oxygen enriched air, and heavy egr rate on soot emissions in a diesel engine

effects of split injection, oxygen enriched air, and heavy egr rate on soot emissions in a diesel engine

... is a modeling method The availability of a high performance computing hardware nowadays makes modeling to be an essential analysis tool in engine research and development Modeling has an ability ... cutting plane at 30 4oATDC in case of single injection without EGR Figure 13 Variation in heat release rate 31 - iii - Figure 14 Variation in average gas temperature 32 Figure 15 Variations in mass ... turbulent mixing in oxidation, the global oxidation rates of precursors, soot particles and acetylene are calculated as the harmonic mean of the above kinetic rate, kikin , and the turbulent mixing rate,...

Ngày tải lên: 13/11/2014, 06:41

117 277 1
project on Application of Disperse & Reactive Dyes In a P-C Blended Fabric of 65-35 In Using Two Bath System

project on Application of Disperse & Reactive Dyes In a P-C Blended Fabric of 65-35 In Using Two Bath System

... produced They have excellent wash fastness Mainly used on cotton dyeing Can also be applied on wool, silk and nylon dyeing Dyeing is carried out in an alkaline bath By achieving Practical knowledge ... temperature Raw Material Raw materials are those, by using or processing which we get final product In textile there are different types of raw materials Such as- Yarn is raw material for fabric, ... chemicals are raw materials for dyed fabric Dyed fabrics are raw material for garments etc In Fakir Apparels Two Types Of Dyes Are Mainly Used: Reactive dye - Cold Brand (400C) - Medium Brand (600C)...

Ngày tải lên: 30/07/2015, 10:34

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Biomass gasification in a downdraft gasifier with a twostage air supply: Effect of operating conditions on gas quality

Biomass gasification in a downdraft gasifier with a twostage air supply: Effect of operating conditions on gas quality

... Table e Uncertainty values of the evaluated parameters Parameter Air flow Air flow Total air flow Drying temperature Pyrolysis temperature Gasification temperature Combustion temperature Air flow ... that in this case there was an interest to confirm that at a two-stage gasification, the main gas quality indexes, such as tar and particle content, are linked to the gasifier operational parameters ... always have associated parameters that influence the certainty of the results Because of that, the uncertainty of each measured parameter was assessed, applying the standard uncertainty according...

Ngày tải lên: 01/08/2016, 09:29

9 247 0
Multithreaded Programming in a Microsoft  Win32* Environment

Multithreaded Programming in a Microsoft Win32* Environment

... doing something, the other threads can handle the user inputs and perform the tasks For example, if a user wants to cancel bringing in a large amount of data from a web page, a single threaded ... running at a higher priority can immediately react and cancel the operation When Not to Use Threads… Using multiple threads in an application does not guarantee any kind of a performance gain ... constantly interacting with the program, are independent activities The performance of an application can be improved by creating a separate thread for performing each of these activities rather...

Ngày tải lên: 12/09/2012, 14:40

14 794 1
travel in a group

travel in a group

Ngày tải lên: 04/10/2012, 10:25

1 1.1K 1
Báo cáo y học: "Emergency intraosseous access in a helicopter emergency medical service: a retrospective study"

Báo cáo y học: "Emergency intraosseous access in a helicopter emergency medical service: a retrospective study"

... and coordination, and in drafting the manuscript BEH participated in the design of the study and the statistical analysis, and participated in drafting the manuscript BHV participated in the design ... HEMS training programme, intraosseous training was given using manual needles, Bone Injection Guns, and EZ-IO® on both manikins and cadavers All HEMS physicians have used the technique on patients ... study, and the drafting of the manuscript and tables and figures All authors have read and approved the final manuscript Competing interests The authors declare that they have no competing interests...

Ngày tải lên: 25/10/2012, 10:02

5 560 0
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