using theoretical calculation such as numerical simulation and dispersion model. ... This study focused on analysis of Acetaldehyde and their dispersion in vicinity of the residential area ... Many residents living near the cement factories are facing unpleasant odors.
Additionally, they can measure odorous substances such as NH3, H2S, and VOCs. ... They are also used to validate and calibrate the results of dispersion modeling. ... VOCs’ emission characteristics, surveying spatial distribution, identifying sources of airborne or odorous
The FLUENT Realizable k-ε model was used tosimulate odor dispersion as released by an odor source. ... dispersion downwind from anarea source using computational fluid dynamic (CFD) modeling. ... Atmospheric stability is an important parameter which effects pollutant dispersion in the atmospheric
In order to validate the meteorological and odor dispersion modeling methods, the measured meteorological ... odors. ... parameters such as wind speed and direction and odor intensities were compared with those calculated
In this study we investigated odor (hydrogen sulfide) dispersion around a cubic building by using commercial ... The FLUENT Shear-Stress Transport (hereafter SST) k-ω turbulence model was used to simulate odor dispersion ... from an odor source.
Detailed studies are desirable to further validate the odor dispersion with measurements under more complex ... of odors. ... In order to describe the flow and dispersion characteristics of H₂S in the complex terrain, the terrain
understand odor dispersion mechanism in these areas by applying the real-time odor monitoring system ... variables as well as the dispersion modeling system on real-time base. ... In order to solve the odor problem, it is necessary to identify the major odor emission sources and to
depict key characteristics of odor dispersion patterns. ... To understand modeling capacity in describing the odor dispersion, we examined an accuracy of odor modeling ... The odor modeling procedure developed in this study can be used in odor forecasting system and odor impact
Coarse dispersionDispersion Good distribution Poor distribution Distribution 상용성인경우 : 균일한 단일상을 형성 대부분의 ... Surface-Modifying Additives 2014-12-08 10 Miscellaneous Additives Odorants( 착취제 ) 가정용 , 공업용 , 자동차 연료 ... absorbers and Light Stabilizers Antioxidants Heat Stabilizers Flame Retardants Antimicrobials Colorants Odorants
This study was carried out to find the optimal methods in odor dispersion modeling. ... CALPUFF dispersion modeling was also compared with odor monitoring station data, and there was a good ... The results of CALPUFF dispersion modeling were compared with odor complains data and they showed that
This paper presents the performance of a CFD model for the near field dispersion of odor from rooftop ... The FLUENT Shear-Stress Transport (SST hereinafter) k-ω turbulence model was used to simulate odor dispersion ... from a rooftop odor vent.
and distribution D : Dispersion F : Fine dispersion C : Coarse dispersion D` : Distribution P : Poor ... Antimicrobials ( 향균제 ) 미생물의 생장을 억제하는데 사용되는 물질 Colorants ( 착색제 ) 의류 , 보호 , 경고용으로 사용되며 가공을 마친뒤 고유의 색을 칠할때 사용되는 물질 Odorants ... : B-graft Copolymer structure Copolymer - 공중합체 , 즉 공중합에 의해서 생겨난 고분자 화합물을 말한다 . 1 P olyalloys Phase dispersion
Odorous compounds were monitored and dispersion modeling was conducted using AERMOD model. for Songtan ... The diffusion effect of odorous pollutants by wind was confirmed by descending order of concentration ... The complex odor at the target area showed an average dilution ratio of 4.5 and low ammonia concentrations
and hydrogen sulfide as odor inducing pollutants emitted from Daejeon Landfill, we conducted tracer ... To improve modeling performance of CALPUFF in predicting dispersions of methane as the greenhouse gas ... experiments of C2H2 and compared calculated concentrations by CALPUFF model under different dispersion
It show that the peak concentration could be directly calculated from the dispersion modeling without ... In this sense, the peak concentration has an important meaning in the odor management and modeling. ... method to predict the peak concentration using meteorological input data of high time resolution in the odor
Even though offensive odor control law was enforced in 2005, the civil appeal of odor doesn’t decrease ... For the odor management of receptor-centric, workplace emission is regulated in accordance with odor ... By expanding odor automatic monitoring network that some of local governments have, odor emission management