搜索结果: 1-10 共查到“理学 CCN activation”相关记录10条 . 查询时间(0.179 秒)
Adaptive method of lines for multi-component aerosol condensational growth and CCN activation
Adaptive method of lines multicomponent aerosol condensational growth CCN activation
2014/12/9
The process of formation of cloud droplets on an ensemble of aerosol particles is modelled by numerous investigators using the method of lines (MOL). The method involves discretisation of the aerosol ...
Hygroscopicity distribution concept for measurement data analysis and modeling of aerosol particle mixing state with regard to hygroscopic growth and CCN activation
Hygroscopicity distribution concept measurement data analysis aerosol particle mixing state hygroscopic growth CCN activation
2010/8/16
This paper presents a general concept and mathematical framework of particle hygroscopicity distribution for the analysis and modeling of aerosol hygroscopic growth and cloud condensation nucleus (CCN...
Global distribution of the effective aerosol hygroscopicity parameter for CCN activation
Global distribution the effective aerosol hygroscopicity parameter CCN activation
2010/8/13
In this study we use the ECHAM/MESSy Atmospheric Chemistry (EMAC) model to simulate global fields of the effective hygroscopicity parameter κ which approximately describes the influence of chemical co...
Towards closing the gap between hygroscopic growth and CCN activation for secondary organic aerosols – Part 3: Influence of the chemical composition on the hygroscopic properties and volatile fractions of aerosols
hygroscopic growth CCN activation secondary organic aerosols the chemical composition the hygroscopic properties aerosols
2010/8/12
The influence of varying levels of water mixing ratio, r, during the formation of secondary organic aerosol (SOA) from the ozonolysis of α-pinene on the SOA hygroscopicity and volatility was investiga...
On the effects of organic matter and sulphur-containing compounds on the CCN activation of combustion particles
organic matter sulphur-containing compounds combustion particles
2009/2/19
The European PartEmis project (Measurement and prediction of emissions of aerosols and gaseous precursors from gas turbine engines) was focussed on the characterisation and quantification of exhaust e...
CCN activation and cloud processing in sectional aerosol models with low size resolution
CCN activation cloud processing sectional aerosol models low size resolution
2009/2/17
We investigate the influence of low size resolution, typical to sectional aerosol models in large scale applications, on cloud droplet activation and cloud processing of aerosol particles. A simplifie...
Parameterization of the nitric acid effect on CCN activation
nitric acid effect CCN activation HNO3 and HCl concentrations
2009/2/8
In this paper we present a parameterization of the nitric acid effect on cloud droplet formation. The new parameterization is intended to be used in large scale models in order to obtain regional and ...
Inferring thermodynamic properties from CCN activation experiments: single-component and binary aerosols
thermodynamic property CCN single-component binary aerosol
2008/12/22
This study presents a new method, Köhler Theory Analysis (KTA), to infer the molar volume and solubility of organic aerosol constituents. The method is based on measurements of surface tension, c...
CCN activation experiments with adipic acid: effect of particle phase and adipic acid coatings on soluble and insoluble particles
CCN adipic acid soluble and insoluble particles
2008/11/13
Slightly soluble atmospherically relevant organic compounds may influence particle CCN activity and therefore cloud formation. Adipic acid is a frequently employed surrogate for such slightly soluble ...
Calibration and measurement uncertainties of a continuous-flow cloud condensation nuclei counter (DMT-CCNC): CCN activation of ammonium sulfate and sodium chloride aerosol particles in theory and experiment
calibration continuous-flow cloud condensation nuclei counter CCN sodium chloride aerosol
2008/10/31
Experimental and theoretical uncertainties in the measurement of cloud condensation nuclei (CCN) with a continuous-flow thermal-gradient CCN counter from Droplet Measurement Technologies (DMT-CCNC) ha...