A Methodology to assess Species Yields of Compartment Fires by means of an extended Global Equivalence Ratio Concept:
Gespeichert in:
| 1. Verfasser: | |
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| Format: | Abschlussarbeit Buch |
| Sprache: | English |
| Veröffentlicht: |
Braunschweig
Inst.
2007
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| Schriftenreihe: | Institut für Baustoffe, Massivbau und Brandschutz der Technischen Universität Braunschweig
198 |
| Schlagworte: | |
| Online-Zugang: | Inhaltsverzeichnis |
| Beschreibung: | X, 138 S. graph. Darst. |
| ISBN: | 9783892881803 |
Internformat
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Datensatz im Suchindex
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| adam_text | -NT, (/ I !; ./ , A METHODOLOGY TO ASSESS SPECIES YIELDS OF COMPARTMENT
FIRES BY MEANS OF AN EXTENDED GLOBAL EQUIVALENCE RATIO CONCEPT
DISSERTATION SUBMITTED TO AND APPROVED BY THE FACULTY OF ARCHITECTURE,
CIVIL ENGINEERING AND ENVIRONMENTAL SCIENCES UNIVERSITY OF BRAUNSCHWEIG
-INSTITUTE OF TECHNOLOGY AND THE FACULTY OF ENGINEERING UNIVERSITY OF
FLORENCE IN CANDIDACY FOR THE DEGREE OF A DOKLOR-INGENIEUR (DR.-ING.) I
DOTTORE DI RICERCA IN RISK MANAGEMENT ON THE BUILT ENVIRONMENT *) BY
BURKHARD FORELL FROM PADERBORN, GERMANY SUBMITTED ON ORAL EXAMINATION ON
PROFESSORIAL ADVISORS 9 NOVEMBER 2006 15 DECEMBER 2006 UNIV.-PRAF.
DR.-ING. D. HASSER PROF. ING. G. MANFRIDA 2007 *) EITHER THE GERMAN OR
THE ITALIAN FORM OF THE TITLE MAY BE USED. CONTENTS 1 INTRODUCTION 1 1.1
MOTIVATION 1 1.2 OBJECTIVES OF THIS WORK 2 1.3 STRUCTURE OF THIS WORK 2
2 THE GLOBAL EQUIVALENCE RATIO CONCEPT .4 2.1 EQUIVALENCE RATIOS 4 2.2
GENERAL APPROACH 5 2.3 MEASUREMENT TECHNIQUES TO DETERMINE THE GER 6
2.3.1 MEASUREMENT BY TWO THERMOCOUPLE TREES 7 2.3.2 MEASUREMENT BY ONE
CORNER THERMOCOUPLE TREE 7 2.3.3 MEASUREMENT BY A PHI*METER AT A
REPRESENTATIVE LOCATION 8 2.3.4 MEASUREMENT BY CENTRELINE THERMOCOUPLES
AND BI-DIRECTIONAL PRESSURE PROBES 8 2.3.5 MEASUREMENT BY AN ARRAY OF
THERMOCOUPLES AND BI-DIRECTIONAL PRESSURE PROBES 9 2.3.6 EXPECTED MASS
FLOW 9 2.4 EXTENSIVE REVIEW OF RESEARCH UNDER APPLICATION OF THE
GER*CONCEPT 11 2.4.1 BEYLER S HOOD EXPERIMENTS 11 2.4.2 HOOD EXPERIMENTS
AT THE CALIFORNIA INSTITUTE OF TECHNOLOGY 13 2.4.3 ENGINEERING
METHODOLOGY OF GOTTUK AND LATTIMER 17 2.4.4 PITTS ALGORITHM FOR
ESTIMATING CO FORMATION 22 2.4.5 EXPERIMENTS IN THE ISO 9705 ROOM WITHIN
THE TOXFIRE PROJECT.. 25 2.4.5.1 ORIGINAL WORK 25 2.4.5.2 SOME REMARKS
ON THE EXPERIMENTS IN THE ISO 9705 ROOM WITHIN THE TOXFIRE PROJECT 27
VII CONTENTS 2.4.6 THE IBMB RESEARCH 30 2.4.6.1 ORIGINAL WORK 30 2.4.6.2
SOME REMARKS ON THE EXPERIMENTS IN THE ISO 9705 ROOM WITHIN THE IBMB
PROJECT 33 2.4.7 WIECZOREK S METHODOLOGY 36 2.4.7.1 2.4.7.2 ORIGINAL
WORK 36 SOME REMARKS ON WIECZOREK S STUDY 39 2.4.8 CONCLUSIONS AND OPEN
QUESTIONS 40 2.4.8.1 2.4.8.2 2.4.8.3 DETERMINATION OF THE GLOBAL
EQUIVALENCE RATIO .40 THE CORRELATION OF THE CO YIELDS WITH THE GER .41
TREATMENT OF EXTERNAL COMBUSTION 45 3 COMPARTMENT FIRE DYNAMICS AND
PLUME THEORY 47 3.1 SCOPE OT APPLICATION OF THE GER-CONCEPT .47 3.2
COMPARTMENT FIRES WITHOUT EXTERNAL COMBUSTION 49 3.2.1 MASS EXCHANGES IN
COMPARTMENT FIRES .49 3.2.2 PROPERTIES OF THE FIRE PLUME 54 3.2.2.1
3.2.2.2 3.2.2.3 3.2.2.4 GENERAL CHARACTERISTICS OF FIRE PLUMES 54
SCALING PARAMETERS AND FLAME HEIGHT CORRELATIONS 55 MASS ENTRAINMENT AND
COMBUSTION IN THE FIRE PLUME 57 BEHAVIOUR OF A FLAME IMMERSED IN THE
UPPER LAYER 60 3.2.3 VITIATION STUDIES 62 3.2.3.1 3.2.3.2 3.2.3.3
PHENOMENON 62 REVIEW OF VITIATION STUDIES 62 EXAMINATION OF THE
INFLUENCE OF VITIATION 64 VIIJ CONTENTS 3.2.4 PYROLYSIS IN THE UPPER
LAYER 65 3.3 COMPARTMENT FIRES WITH EXTERNAL COMBUSTION 67 3.3.1
CRITERIA TO ASSESS EXTERNAL COMBUSTION 68 3.3.1.1 3.3.1.2 3.3.1.3
3.3.1.4 3.3.1.5 THE EXCESS FUEL FACTOR AND ITS CORRELATION WITH THE GER
69 THE CRITICAL MASS LOSS RATE AND ITS CORRELATION WITH THE GER. 69 THE
IGNITION INDEX AND ITS CORRELATION WITH THE GER 73 EXTENSIONS OF
SEYLER S EXTERNAL COMBUSTION EQUIVALENCE RATIO 75 CONCLUSIONS ABOUT THE
CRITERIA TO ASSESS EXTERNAL COMBUSTION 80 3.3.2 EFFICIENCY OF EXTERNAL
COMBUSTION TO REDUCE CO YIELDS 81 3.3.2.1 3.3.2.2 CO REDUCTION IN
AMBIENT ATMOSPHERES 81 CO REDUCTION IN ADJACENT HALLWAYS 82 4
APPLICABILITY OF NUMERICAL FIRE SIMULATION 85 4.1 MAIN FEATURES OF THE
FIRE DYNAMICS SIMULATOR 85 4.2 VALIDATION STUDIES 88 4.2.1 LITERATURE
REVIEW 88 4.2.2 OWN STUDIES 89 4.2.2.1 FULLY DEVELOPED FIRES IN THE
HALF-SCALE AND FULL-SCALE ISO 9705 COMPARTMENT. 89 4.2.2.2 FLAME HEIGHTS
AND FLAME EXTENSIONS 93 4.3 RELATIONSHIPS BETWEEN MIXTURE FRACTION,
EQUIVALENCE RATIO AND IGNITION INDEX 95 4.3.1 ILLUSTRATION BY THE
TERNARY DIAGRAM 96 4.3.2 SUITABILITY OF THE FDS4 SUPPRESSION ALGORITHM
FOR ASSESSING EXTERNAL COMBUSTION 98 4.3.3 COMBINING FDS4 OUTPUT DATA
WITH SEYLER S IGNITION CRITERION 99 IX CONTENTS 4.4 CONCLUSIONS 102 5
OTHER TOXIC FIRE GAS COMPONENTS 104 5.1 TOXIC KEY SPECIES AND TOXICITY
MODELS 104 5.2 APPLICABILITY OF THE GER-CONCEPT TO THE KEY SPECIES 107
5.2.1 NITROGENATED FIRE EFFLUENTS 107 5.2.2 HALOGENATED FIRE EFFLUENTS
109 5.2.3 SULPHURMCONTAINING FIRE EFFLUENTS 11 0 5.2.4 ORGANIC FIRE
EFFLUENTS 111 5.3 APPLICATION OF THE FED MODEL FOR WELL-VENTILATED AND
UNDER-VENTILATED SITUATIONS 113 6 CONCLUSIONS AND OPEN QUESTIONS 116 6.1
METHODOLOGY TO DETERMINE SPECIES YIELDS OF COMPARTMENT FIRES 116 6.2
OPEN QUESTIONS 118 7 SUMMARY 119 ABBREVIATIONS 121 NOMENCLATURE 123
REFERENCES , 127 X
|
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| spelling | Forell, Burkhard Verfasser (DE-588)136346197 aut A Methodology to assess Species Yields of Compartment Fires by means of an extended Global Equivalence Ratio Concept von Burkhard Forell Braunschweig Inst. 2007 X, 138 S. graph. Darst. txt rdacontent n rdamedia nc rdacarrier Institut für Baustoffe, Massivbau und Brandschutz der Technischen Universität Braunschweig 198 Zugl.: Braunschweig, Techn. Univ., Diss., 2007 (DE-588)4113937-9 Hochschulschrift gnd-content Institut für Baustoffe, Massivbau und Brandschutz der Technischen Universität Braunschweig 198 (DE-604)BV042399928 198 GBV Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=018335372&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Forell, Burkhard A Methodology to assess Species Yields of Compartment Fires by means of an extended Global Equivalence Ratio Concept Institut für Baustoffe, Massivbau und Brandschutz der Technischen Universität Braunschweig |
| subject_GND | (DE-588)4113937-9 |
| title | A Methodology to assess Species Yields of Compartment Fires by means of an extended Global Equivalence Ratio Concept |
| title_auth | A Methodology to assess Species Yields of Compartment Fires by means of an extended Global Equivalence Ratio Concept |
| title_exact_search | A Methodology to assess Species Yields of Compartment Fires by means of an extended Global Equivalence Ratio Concept |
| title_full | A Methodology to assess Species Yields of Compartment Fires by means of an extended Global Equivalence Ratio Concept von Burkhard Forell |
| title_fullStr | A Methodology to assess Species Yields of Compartment Fires by means of an extended Global Equivalence Ratio Concept von Burkhard Forell |
| title_full_unstemmed | A Methodology to assess Species Yields of Compartment Fires by means of an extended Global Equivalence Ratio Concept von Burkhard Forell |
| title_short | A Methodology to assess Species Yields of Compartment Fires by means of an extended Global Equivalence Ratio Concept |
| title_sort | a methodology to assess species yields of compartment fires by means of an extended global equivalence ratio concept |
| topic_facet | Hochschulschrift |
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