Flow boiling heat transfer and visualization in narrow channels:
Gespeichert in:
| 1. Verfasser: | |
|---|---|
| Format: | Abschlussarbeit Buch |
| Sprache: | English |
| Veröffentlicht: |
Düsseldorf
VDI-Verl.
2008
|
| Ausgabe: | Als Ms. gedr. |
| Schriftenreihe: | Fortschritt-Berichte VDI
Reihe 19, Wärmetechnik/Kältetechnik ; Nr. 159 |
| Schlagworte: | |
| Online-Zugang: | Inhaltsverzeichnis |
| Beschreibung: | XII, 177 S. Ill., graph. Darst. 21 cm |
| ISBN: | 9783183159192 |
Internformat
MARC
| LEADER | 00000nam a2200000 cb4500 | ||
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| 003 | DE-604 | ||
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| 100 | 1 | |a Cortina Díaz, Marta |d 1979- |e Verfasser |0 (DE-588)138055688 |4 aut | |
| 245 | 1 | 0 | |a Flow boiling heat transfer and visualization in narrow channels |c Marta Cortina Diaz |
| 250 | |a Als Ms. gedr. | ||
| 264 | 1 | |a Düsseldorf |b VDI-Verl. |c 2008 | |
| 300 | |a XII, 177 S. |b Ill., graph. Darst. |c 21 cm | ||
| 336 | |b txt |2 rdacontent | ||
| 337 | |b n |2 rdamedia | ||
| 338 | |b nc |2 rdacarrier | ||
| 490 | 1 | |a Fortschritt-Berichte VDI : Reihe 19, Wärmetechnik/Kältetechnik |v Nr. 159 | |
| 502 | |a Zugl.: Magdeburg, Univ., Diss., 2008 | ||
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| 650 | 0 | 7 | |a Messung |0 (DE-588)4038852-9 |2 gnd |9 rswk-swf |
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| 999 | |a oai:aleph.bib-bvb.de:BVB01-017035574 | ||
Datensatz im Suchindex
| DE-BY-862_location | 2801 |
|---|---|
| DE-BY-FWS_call_number | 2900/07174 |
| DE-BY-FWS_katkey | 715315 |
| DE-BY-FWS_media_number | 083000518954 |
| _version_ | 1806176046403289088 |
| adam_text | V
Contents
Nomenclature VIII
Kurzfassung XII
1 Introduction and objectives 1
2 Basic principles 3
2.1 Flow boiling 3
2.2 Flow pattern maps 4
2.3 Vapor quality 5
2.4 Void frartinu ü
2.5 Non-dimensional numbers (i
2.5.1 Reynolds ninnber 0
2.5.2 Nnsselt number 7
2.5.3 C onh nenient ninnber 8
2.5.4 Wober liumber 8
2.5.5 Capillary immber 8
2.5.0 Convention nmnber 8
2.5.7 Boiling iinniber 8
3 Literature Review 9
3.1 Mini and microrhannols !)
3.2 Single-phii.se flow 11
3.3 Two-phaso flow 14
3.3.1 Flow- patteins 14
3.3.2 Flow instabilities 21
3.3.3 Two-pha.se heat traiLsfor coefficients and pri ssnre dro] 25
3.3.4 Boiling heat transfor coirelations 30
3.3.4.1 Conelations developod for (ouventional Channels .... 30
3.3.4.2 Conelations «leve.lopwl for mini and nücrochaiineLs . . . 35
3.4 Cnndusinas on the literature review 40
4 Experimental procedure 42
4.1 Experimeutal setup 42
VI
4.2 Data acquisition 44
4.3 Preliminary test.s 45
4.4 Data reduction 47
4.5 Test ttuids aml experimental dosign 50
4.0 Error estimatiou 51
5 Results and discussion 55
5.1 Single-pha.se flow 55
5.1.1 Preliminary study 50
5.1.1.1 Laminar flow 50
5.1.1.2 Influence of the temperature dependenee of fluid properties 57
5.1.1.3 Influence of surface roughness 59
5.1.2 Pressure drop 04
5.1.3 Heat trausfer coefficients 00
5.1.4 Conclnsions 011 singlo-plia.se flow 71
5.2 Flow boiling 72
5.2.1 Pressure Drop 72 ;
5.2.1.1 Experimental values of the pressure drop 73
5.2.1.2 Coniparison with eorrelations 74
5.2.1.3 Concliisions on the pressure drop 80
5.2.2 Analysis of the wall temperature 80
5.2.2.1 Unstoady behavior of the wall temperature 81
5.2.2.2 Effect on the experimental heat transfer coefficients ... 84
5.2.2.3 Conclusions on the unsteady behavior of the wall tem¬
perature 87
5.2.3 Heat transfer coefficients 87
5.2.3.1 Rectangular Channel 87
5.2.3.2 Outer heated circular gap 91 [
5.2.3.3 Comparisou with eorrelations 97
5.2.3.4 Comparison between rectangular Channel and annular ga.pl09 ;
5.2.3.5 Conclusions on the heat transfer 113
5.2.4 Flow boiling visualization 114
5.2.4.1 Obsorved boiling regiines 114
5.2.4.2 Experimental flow pattern map 117
5.2.4.3 Correlation between obsorvod flow pa.tt.onis and experi¬
mental heat transfer coefficients 121 .
5.2.4.4 Conclusions on flow boiling visualization 124
6 Conclusions and outlook 126 :
A Calibration curves 130
B Numerical results: surface roughness 132
C Experimental results: wall temperatures 135
i
i
VII
D Experimental results 138
E Experimental results: comparison with correlations 149
F Flow boiling visualizations 159
Bibliography 166
|
| any_adam_object | 1 |
| author | Cortina Díaz, Marta 1979- |
| author_GND | (DE-588)138055688 |
| author_facet | Cortina Díaz, Marta 1979- |
| author_role | aut |
| author_sort | Cortina Díaz, Marta 1979- |
| author_variant | d m c dm dmc |
| building | Verbundindex |
| bvnumber | BV035229607 |
| classification_rvk | UG 2500 |
| ctrlnum | (OCoLC)316271609 (DE-599)BVBBV035229607 |
| discipline | Physik |
| edition | Als Ms. gedr. |
| format | Thesis Book |
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| genre | (DE-588)4113937-9 Hochschulschrift gnd-content |
| genre_facet | Hochschulschrift |
| id | DE-604.BV035229607 |
| illustrated | Illustrated |
| indexdate | 2024-08-01T11:15:04Z |
| institution | BVB |
| isbn | 9783183159192 |
| language | English |
| oai_aleph_id | oai:aleph.bib-bvb.de:BVB01-017035574 |
| oclc_num | 316271609 |
| open_access_boolean | |
| owner | DE-91G DE-BY-TUM DE-210 DE-83 DE-862 DE-BY-FWS |
| owner_facet | DE-91G DE-BY-TUM DE-210 DE-83 DE-862 DE-BY-FWS |
| physical | XII, 177 S. Ill., graph. Darst. 21 cm |
| publishDate | 2008 |
| publishDateSearch | 2008 |
| publishDateSort | 2008 |
| publisher | VDI-Verl. |
| record_format | marc |
| series | Fortschritt-Berichte VDI |
| series2 | Fortschritt-Berichte VDI : Reihe 19, Wärmetechnik/Kältetechnik |
| spellingShingle | Cortina Díaz, Marta 1979- Flow boiling heat transfer and visualization in narrow channels Fortschritt-Berichte VDI Wärmeübergang (DE-588)4188877-7 gnd Mikrometerbereich (DE-588)4774350-5 gnd Zweiphasenströmung (DE-588)4068223-7 gnd Verdampfung (DE-588)4187611-8 gnd Kanalströmung (DE-588)4137410-1 gnd Messung (DE-588)4038852-9 gnd |
| subject_GND | (DE-588)4188877-7 (DE-588)4774350-5 (DE-588)4068223-7 (DE-588)4187611-8 (DE-588)4137410-1 (DE-588)4038852-9 (DE-588)4113937-9 |
| title | Flow boiling heat transfer and visualization in narrow channels |
| title_auth | Flow boiling heat transfer and visualization in narrow channels |
| title_exact_search | Flow boiling heat transfer and visualization in narrow channels |
| title_full | Flow boiling heat transfer and visualization in narrow channels Marta Cortina Diaz |
| title_fullStr | Flow boiling heat transfer and visualization in narrow channels Marta Cortina Diaz |
| title_full_unstemmed | Flow boiling heat transfer and visualization in narrow channels Marta Cortina Diaz |
| title_short | Flow boiling heat transfer and visualization in narrow channels |
| title_sort | flow boiling heat transfer and visualization in narrow channels |
| topic | Wärmeübergang (DE-588)4188877-7 gnd Mikrometerbereich (DE-588)4774350-5 gnd Zweiphasenströmung (DE-588)4068223-7 gnd Verdampfung (DE-588)4187611-8 gnd Kanalströmung (DE-588)4137410-1 gnd Messung (DE-588)4038852-9 gnd |
| topic_facet | Wärmeübergang Mikrometerbereich Zweiphasenströmung Verdampfung Kanalströmung Messung Hochschulschrift |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=017035574&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
| volume_link | (DE-604)BV004410075 |
| work_keys_str_mv | AT cortinadiazmarta flowboilingheattransferandvisualizationinnarrowchannels |
Inhaltsverzeichnis
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