Hygroscopicity of micrometer sized aerosol particles: a new measurement technique
Gespeichert in:
| 1. Verfasser: | |
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| Format: | Buch |
| Sprache: | English |
| Veröffentlicht: |
2003
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| Schlagworte: | |
| Online-Zugang: | Inhaltsverzeichnis |
| Beschreibung: | Leipzig, Univ., Diss., 2003 |
| Beschreibung: | IV, 137 S. Ill., graph. Darst. : 30 cm |
Internformat
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Datensatz im Suchindex
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CONTENTS
1 INTRODUCTION 1
2 ATMOSPHERIC AEROSOL AND RADIATIVE FORCING 5
2.1 CLIMATE CHANGE AND THE CONCEPT OF RADIATIVE FORCING. 5
2.2 AEROSOL RADIATIVE FORCING. 7
2.3 CONTRIBUTION OF PARTICLES AROUND 1 MICROMETER. 9
2.4 VISIBILITY. 10
2.5 AEROSOL SOURCES. 11
2.6 STATE OF MIXTURE . 11
3 BASIC DEFINITIONS 13
3.1 PARTICLE MOTION. 13
3.1.1 SLIP CORRECTION FACTOR. 14
3.1.2 SHAPE FACTOR. 15
3.1.3 ELECTRICAL MOBILITY. 16
3.2 PARTICLE DIAMETERS. 17
3.2.1 EQUIVALENT DIAMETERS. 17
3.2.2 STOKES DIAMETER. 17
3.2.3 AERODYNAMIC DIAMETER. 18
3.2.4 ELECTRICAL MOBILITY DIAMETER. 18
3.3 CONDENSATION AND EVAPORATION . 19
3.3.1 RELATIVE HUMIDITY - RH . 19
3.3.2 KELVIN EFFECT . 19
3.3.3 KOHLER CURVE. 20
4 HYGROSCOPICITY 23
4.1 HYGROSCOPIC GROWTH OF AEROSOL PARTICLES. 23
BIBLIOGRAFISCHE INFORMATIONEN
HTTP://D-NB.INFO/967239184
11
PHD THESIS S. LEINERT
4.1.1 PARAMETERISATION OF THE HYGROSCOPIC GROWTH FACTOR
. 25
4.2 MEASUREMENT TECHNIQUES. 26
4.2.1 SAMPLING AND WEIGHING . 26
4.2.2 ELECTRODYNAMIC BALANCE. 27
4.2.3 SOFA. 28
4.2.4 THE HUMIDOGRAPH . 29
4.2.5 HYGROSCOPICITY TANDEM DMA - HTDMA . 29
4.3 A NEW INSTRUMENT: FROM HTDMA TO HDMAPS. 31
5 INSTRUMENTATION 33
5.1 BASIC INSTRUMENTS. 34
5.1.1 CONDENSATION PARTICLE COUNTER . 34
5.1.2 NEUTRALISER. 35
5.1.3 DIFFERENTIAL MOBILITY ANALYSER - DMA. 36
5.2 HIGH AEROSOL FLOW DMA - HAF-DMA. 40
5.2.1 INTRODUCTION. 40
5.2.2 GEOMETRY. 41
5.2.3 RESIDENCE TIME IN THE HAF-DMA. 44
5.2.4 SCAN EXAMPLES FOR MONODISPERSE PARTICLES. 46
5.2.5 WIDTH OF THE HAF-DMA TRANSFER FUNCTION. 49
5.2.6 SUMMARY. 54
5.3 AERODYNAMIC PARTICLE SIZER - APS. 56
5.3.1 MEASUREMENT OF THE AERODYNAMIC PARTICLE DIAMETER
. 56
5.3.2 APS 3320 .* 57
5.3.3 APS 3320 - CHARACTERISATION. 62
5.3.4 EFFECT OF DENSITY, SHAPE, DEFORMATION. 66
5.3.5 INFLUENCE OF FLOW RATES. 69
5.4 THE HYGROSCOPICITY DIFFERENTIAL MOBILITY ANALYSER AERODYNAMIC
PARTICLE SIZER - HDMAPS. 72
5.4.1 DESCRIPTION. 72
5.4.2 APS FOR HUMIDIFIED OPERATION. 77
5.4.3 MEASUREMENT PROCEDURE. 81
5.4.4 AERODYNAMIC VS GEOMETRIC GROWTH FACTOR. 83
5.4.5 NACL GROWTH CURVE COMPARED TO LITERATURE DATA. 86
5.4.6 SUMMARY. 87
TABLE OF CONTENTS
III
6 FIELD MEASUREMENTS DURING THE ACE-ASIA EXPERIMENT 89
6.1 ACE-ASIA. 89
6.1.1 FIELD CAMPAIGN. 89
6.1.2 OPERATION OF THE HDMAPS SYSTEM. 90
6.1.3 STABILITY OF APS AND HDMAPS MEASUREMENTS. 92
6.1.4 CHEMISTRY AND DENSITIES. 94
6.2 ACE-ASIA RESULTS. 96
6.2.1 SEA SALT. 97
6.2.2 MIXED. 99
6.2.3 DUST.101
6.2.4 COMPARISON TO SUBMICROMETER PARTICLES .103
7 SUMMARY AND OUTLOOK 107
LIST OF FIGURES, TABLES, SYMBOLS, ACRONYMS 111
A COMPANIES 119
B LATEX PARTICLES 121
C HAF-DMA VOLTAGES AND DIAMETERS 122
D GAUSS FUNCTION 124
E ACE-ASIA APS WORKSHOP 126
F CALIBRATION OF THE APS 127
BIBLIOGRAPHY
129 |
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| genre_facet | Hochschulschrift |
| id | DE-604.BV017261249 |
| illustrated | Illustrated |
| indexdate | 2024-11-22T17:37:32Z |
| institution | BVB |
| language | English |
| oai_aleph_id | oai:aleph.bib-bvb.de:BVB01-010403504 |
| oclc_num | 632869144 |
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| physical | IV, 137 S. Ill., graph. Darst. : 30 cm |
| publishDate | 2003 |
| publishDateSearch | 2003 |
| publishDateSort | 2003 |
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| spelling | Leinert, Stephan 1969- Verfasser (DE-588)124556841 aut Hygroscopicity of micrometer sized aerosol particles a new measurement technique vorgelegt von Stephan Leinert Hygroscopicity of micrometer-sized aerosol particles 2003 IV, 137 S. Ill., graph. Darst. : 30 cm txt rdacontent n rdamedia nc rdacarrier Leipzig, Univ., Diss., 2003 DMA (DE-588)4507734-4 gnd rswk-swf Mikropartikel (DE-588)4336527-9 gnd rswk-swf Hygroskopizität (DE-588)4381128-0 gnd rswk-swf Atmosphärisches Aerosol (DE-588)4201505-4 gnd rswk-swf (DE-588)4113937-9 Hochschulschrift gnd-content Atmosphärisches Aerosol (DE-588)4201505-4 s Mikropartikel (DE-588)4336527-9 s Hygroskopizität (DE-588)4381128-0 s DMA (DE-588)4507734-4 s DE-604 DNB Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=010403504&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Leinert, Stephan 1969- Hygroscopicity of micrometer sized aerosol particles a new measurement technique DMA (DE-588)4507734-4 gnd Mikropartikel (DE-588)4336527-9 gnd Hygroskopizität (DE-588)4381128-0 gnd Atmosphärisches Aerosol (DE-588)4201505-4 gnd |
| subject_GND | (DE-588)4507734-4 (DE-588)4336527-9 (DE-588)4381128-0 (DE-588)4201505-4 (DE-588)4113937-9 |
| title | Hygroscopicity of micrometer sized aerosol particles a new measurement technique |
| title_alt | Hygroscopicity of micrometer-sized aerosol particles |
| title_auth | Hygroscopicity of micrometer sized aerosol particles a new measurement technique |
| title_exact_search | Hygroscopicity of micrometer sized aerosol particles a new measurement technique |
| title_full | Hygroscopicity of micrometer sized aerosol particles a new measurement technique vorgelegt von Stephan Leinert |
| title_fullStr | Hygroscopicity of micrometer sized aerosol particles a new measurement technique vorgelegt von Stephan Leinert |
| title_full_unstemmed | Hygroscopicity of micrometer sized aerosol particles a new measurement technique vorgelegt von Stephan Leinert |
| title_short | Hygroscopicity of micrometer sized aerosol particles |
| title_sort | hygroscopicity of micrometer sized aerosol particles a new measurement technique |
| title_sub | a new measurement technique |
| topic | DMA (DE-588)4507734-4 gnd Mikropartikel (DE-588)4336527-9 gnd Hygroskopizität (DE-588)4381128-0 gnd Atmosphärisches Aerosol (DE-588)4201505-4 gnd |
| topic_facet | DMA Mikropartikel Hygroskopizität Atmosphärisches Aerosol Hochschulschrift |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=010403504&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
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