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f | 1 | { | f | 1 | { |
2 | "author": "Lyons, K.", | 2 | "author": "Lyons, K.", | ||
3 | "author_email": "", | 3 | "author_email": "", | ||
4 | "creator_user_id": "17755db4-395a-4b3b-ac09-e8e3484ca700", | 4 | "creator_user_id": "17755db4-395a-4b3b-ac09-e8e3484ca700", | ||
5 | "doi": "10.35097/1483", | 5 | "doi": "10.35097/1483", | ||
6 | "doi_date_published": "2023", | 6 | "doi_date_published": "2023", | ||
7 | "doi_publisher": "", | 7 | "doi_publisher": "", | ||
8 | "doi_status": "True", | 8 | "doi_status": "True", | ||
9 | "groups": [], | 9 | "groups": [], | ||
10 | "id": "958d79d3-f331-4b48-95e1-6d766766e986", | 10 | "id": "958d79d3-f331-4b48-95e1-6d766766e986", | ||
11 | "isopen": false, | 11 | "isopen": false, | ||
12 | "license_id": "CC BY-SA 4.0 Attribution-ShareAlike", | 12 | "license_id": "CC BY-SA 4.0 Attribution-ShareAlike", | ||
13 | "license_title": "CC BY-SA 4.0 Attribution-ShareAlike", | 13 | "license_title": "CC BY-SA 4.0 Attribution-ShareAlike", | ||
14 | "metadata_created": "2023-08-04T08:50:54.391002", | 14 | "metadata_created": "2023-08-04T08:50:54.391002", | ||
t | 15 | "metadata_modified": "2023-08-04T08:52:06.898006", | t | 15 | "metadata_modified": "2023-08-04T08:53:40.092627", |
16 | "name": "rdr-doi-10-35097-1483", | 16 | "name": "rdr-doi-10-35097-1483", | ||
17 | "notes": "Abstract: Work package five of the PRESLHY project | 17 | "notes": "Abstract: Work package five of the PRESLHY project | ||
18 | focusses on the combustion phenomena of liquid\r\nhydrogen (LH 2 ). | 18 | focusses on the combustion phenomena of liquid\r\nhydrogen (LH 2 ). | ||
19 | The experimental programme was designed to provide insight into a | 19 | The experimental programme was designed to provide insight into a | ||
20 | number\r\nof credible and poorly understood LH 2 combustion scenarios. | 20 | number\r\nof credible and poorly understood LH 2 combustion scenarios. | ||
21 | One such scenario is the effect of\r\ncongestion or confinement on an | 21 | One such scenario is the effect of\r\ncongestion or confinement on an | ||
22 | ignited hydrogen cloud stemming from a release of LH 2 | 22 | ignited hydrogen cloud stemming from a release of LH 2 | ||
23 | ,\r\npotentially leading to deflagration to detonation transition | 23 | ,\r\npotentially leading to deflagration to detonation transition | ||
24 | (DDT).\r\nThis report summarises the large-scale experiments carried | 24 | (DDT).\r\nThis report summarises the large-scale experiments carried | ||
25 | out at the HSE Science and\r\nResearch Centre in Buxton investigating | 25 | out at the HSE Science and\r\nResearch Centre in Buxton investigating | ||
26 | the effect of differing levels of congestion and\r\nconfinement on the | 26 | the effect of differing levels of congestion and\r\nconfinement on the | ||
27 | combustion properties of a hydrogen cloud developing from a release | 27 | combustion properties of a hydrogen cloud developing from a release | ||
28 | of\r\nLH2.\r\nVarious combustion parameters were measured, including; | 28 | of\r\nLH2.\r\nVarious combustion parameters were measured, including; | ||
29 | the overpressure, heat flux, and\r\nnoise. Monitoring of ambient and | 29 | the overpressure, heat flux, and\r\nnoise. Monitoring of ambient and | ||
30 | release conditions were also made to allow for a thorough\r\nanalysis | 30 | release conditions were also made to allow for a thorough\r\nanalysis | ||
31 | of the results. A total of 23 ignited trials were completed and | 31 | of the results. A total of 23 ignited trials were completed and | ||
32 | involved releasing LH2\r\nusing the same initial conditions as in the | 32 | involved releasing LH2\r\nusing the same initial conditions as in the | ||
33 | rainout experiments of work package 3, meaning that\r\nthe dispersion | 33 | rainout experiments of work package 3, meaning that\r\nthe dispersion | ||
34 | patterns should remain similar.\r\nThe congestion and confinement was | 34 | patterns should remain similar.\r\nThe congestion and confinement was | ||
35 | created by a configurable steel structure placed directly in\r\nthe | 35 | created by a configurable steel structure placed directly in\r\nthe | ||
36 | path of the release. Two congestion levels, confinement and pool | 36 | path of the release. Two congestion levels, confinement and pool | ||
37 | experiments were\r\nplanned, however due to the safe noise level being | 37 | experiments were\r\nplanned, however due to the safe noise level being | ||
38 | reached, only the congestion experiments\r\nwere completed. To | 38 | reached, only the congestion experiments\r\nwere completed. To | ||
39 | compensate for this, multiple repeats and experiments with a wide | 39 | compensate for this, multiple repeats and experiments with a wide | ||
40 | variety\r\nof source conditions were conducted.\r\nFrom the results, | 40 | variety\r\nof source conditions were conducted.\r\nFrom the results, | ||
41 | it is clear that higher levels of volumetric congestion increases the | 41 | it is clear that higher levels of volumetric congestion increases the | ||
42 | measured\r\noverpressures in releases with the same initial | 42 | measured\r\noverpressures in releases with the same initial | ||
43 | conditions. The results also show that an\r\nincreasing hydrogen | 43 | conditions. The results also show that an\r\nincreasing hydrogen | ||
44 | inventory, either through an increased release pressure or larger | 44 | inventory, either through an increased release pressure or larger | ||
45 | nozzle,\r\ncan result in a larger event upon ignition. However, the | 45 | nozzle,\r\ncan result in a larger event upon ignition. However, the | ||
46 | mixing of the jet also plays a part;\r\nsome releases through the | 46 | mixing of the jet also plays a part;\r\nsome releases through the | ||
47 | largest release orifice diameter showed lower | 47 | largest release orifice diameter showed lower | ||
48 | overpressures\r\npotentially due to the hydrogen cloud being too | 48 | overpressures\r\npotentially due to the hydrogen cloud being too | ||
49 | rich.\r\nIt was observed that the ambient conditions, in particular | 49 | rich.\r\nIt was observed that the ambient conditions, in particular | ||
50 | the wind speed and direction, were a\r\nsignificant factor in the | 50 | the wind speed and direction, were a\r\nsignificant factor in the | ||
51 | outcome of each ignition. This was particularly prominent in trials | 51 | outcome of each ignition. This was particularly prominent in trials | ||
52 | 21\r\nto 23.\r\nTechnicalRemarks: file consists of data from following | 52 | 21\r\nto 23.\r\nTechnicalRemarks: file consists of data from following | ||
53 | sensors, obtained during experiments:\r\n \u2022 blast pressure | 53 | sensors, obtained during experiments:\r\n \u2022 blast pressure | ||
54 | sensor\r\n \u2022 noise sensor\r\n \u2022 heat flux sensor\r\n | 54 | sensor\r\n \u2022 noise sensor\r\n \u2022 heat flux sensor\r\n | ||
55 | \u2022 pipework thermocouples \r\n \u2022 pressure sensor\r\n | 55 | \u2022 pipework thermocouples \r\n \u2022 pressure sensor\r\n | ||
56 | \u2022 mass flow sensor\r\n \u2022 near-field weather station \r\n | 56 | \u2022 mass flow sensor\r\n \u2022 near-field weather station \r\n | ||
57 | \u2022 far-field wind sensor\r\n \u2022 far-field humidity | 57 | \u2022 far-field wind sensor\r\n \u2022 far-field humidity | ||
58 | sensor\r\nand videos getted during experiments", | 58 | sensor\r\nand videos getted during experiments", | ||
59 | "num_resources": 0, | 59 | "num_resources": 0, | ||
60 | "num_tags": 5, | 60 | "num_tags": 5, | ||
61 | "orcid": "", | 61 | "orcid": "", | ||
62 | "organization": { | 62 | "organization": { | ||
63 | "approval_status": "approved", | 63 | "approval_status": "approved", | ||
64 | "created": "2023-01-12T13:30:23.238233", | 64 | "created": "2023-01-12T13:30:23.238233", | ||
65 | "description": "RADAR (Research Data Repository) is a | 65 | "description": "RADAR (Research Data Repository) is a | ||
66 | cross-disciplinary repository for archiving and publishing research | 66 | cross-disciplinary repository for archiving and publishing research | ||
67 | data from completed scientific studies and projects. The focus is on | 67 | data from completed scientific studies and projects. The focus is on | ||
68 | research data from subjects that do not yet have their own | 68 | research data from subjects that do not yet have their own | ||
69 | discipline-specific infrastructures for research data management. ", | 69 | discipline-specific infrastructures for research data management. ", | ||
70 | "id": "013c89a9-383c-4200-8baa-0f78bf1d91f9", | 70 | "id": "013c89a9-383c-4200-8baa-0f78bf1d91f9", | ||
71 | "image_url": "radar-logo.svg", | 71 | "image_url": "radar-logo.svg", | ||
72 | "is_organization": true, | 72 | "is_organization": true, | ||
73 | "name": "radar", | 73 | "name": "radar", | ||
74 | "state": "active", | 74 | "state": "active", | ||
75 | "title": "RADAR", | 75 | "title": "RADAR", | ||
76 | "type": "organization" | 76 | "type": "organization" | ||
77 | }, | 77 | }, | ||
78 | "owner_org": "013c89a9-383c-4200-8baa-0f78bf1d91f9", | 78 | "owner_org": "013c89a9-383c-4200-8baa-0f78bf1d91f9", | ||
79 | "private": false, | 79 | "private": false, | ||
80 | "production_year": "2021", | 80 | "production_year": "2021", | ||
81 | "publication_year": "2023", | 81 | "publication_year": "2023", | ||
82 | "publishers": [ | 82 | "publishers": [ | ||
83 | { | 83 | { | ||
84 | "publisher": "Karlsruhe Institute of Technology" | 84 | "publisher": "Karlsruhe Institute of Technology" | ||
85 | } | 85 | } | ||
86 | ], | 86 | ], | ||
87 | "relationships_as_object": [], | 87 | "relationships_as_object": [], | ||
88 | "relationships_as_subject": [], | 88 | "relationships_as_subject": [], | ||
89 | "repository_name": "RADAR (Research Data Repository)", | 89 | "repository_name": "RADAR (Research Data Repository)", | ||
90 | "resources": [], | 90 | "resources": [], | ||
91 | "services_used_list": "", | 91 | "services_used_list": "", | ||
92 | "source_metadata_created": "2023", | 92 | "source_metadata_created": "2023", | ||
93 | "source_metadata_modified": "", | 93 | "source_metadata_modified": "", | ||
94 | "state": "active", | 94 | "state": "active", | ||
95 | "subject_areas": [ | 95 | "subject_areas": [ | ||
96 | { | 96 | { | ||
97 | "subject_area_additional": "", | 97 | "subject_area_additional": "", | ||
98 | "subject_area_name": "Engineering" | 98 | "subject_area_name": "Engineering" | ||
99 | } | 99 | } | ||
100 | ], | 100 | ], | ||
101 | "tags": [ | 101 | "tags": [ | ||
102 | { | 102 | { | ||
103 | "display_name": "Liquid hydrogen", | 103 | "display_name": "Liquid hydrogen", | ||
104 | "id": "9d5d2bef-3843-494b-89cb-5f3360e824d5", | 104 | "id": "9d5d2bef-3843-494b-89cb-5f3360e824d5", | ||
105 | "name": "Liquid hydrogen", | 105 | "name": "Liquid hydrogen", | ||
106 | "state": "active", | 106 | "state": "active", | ||
107 | "vocabulary_id": null | 107 | "vocabulary_id": null | ||
108 | }, | 108 | }, | ||
109 | { | 109 | { | ||
110 | "display_name": "congestion", | 110 | "display_name": "congestion", | ||
111 | "id": "1383697c-9103-49eb-aa74-7892d9f9d84a", | 111 | "id": "1383697c-9103-49eb-aa74-7892d9f9d84a", | ||
112 | "name": "congestion", | 112 | "name": "congestion", | ||
113 | "state": "active", | 113 | "state": "active", | ||
114 | "vocabulary_id": null | 114 | "vocabulary_id": null | ||
115 | }, | 115 | }, | ||
116 | { | 116 | { | ||
117 | "display_name": "dispersion", | 117 | "display_name": "dispersion", | ||
118 | "id": "88cb7954-bbb6-403c-b4ef-8616462654dd", | 118 | "id": "88cb7954-bbb6-403c-b4ef-8616462654dd", | ||
119 | "name": "dispersion", | 119 | "name": "dispersion", | ||
120 | "state": "active", | 120 | "state": "active", | ||
121 | "vocabulary_id": null | 121 | "vocabulary_id": null | ||
122 | }, | 122 | }, | ||
123 | { | 123 | { | ||
124 | "display_name": "explosion", | 124 | "display_name": "explosion", | ||
125 | "id": "90ff602f-862a-4f84-b030-885f5ae8fd4e", | 125 | "id": "90ff602f-862a-4f84-b030-885f5ae8fd4e", | ||
126 | "name": "explosion", | 126 | "name": "explosion", | ||
127 | "state": "active", | 127 | "state": "active", | ||
128 | "vocabulary_id": null | 128 | "vocabulary_id": null | ||
129 | }, | 129 | }, | ||
130 | { | 130 | { | ||
131 | "display_name": "ignition", | 131 | "display_name": "ignition", | ||
132 | "id": "4778271a-01ba-432b-ad76-6af4f2fde7ee", | 132 | "id": "4778271a-01ba-432b-ad76-6af4f2fde7ee", | ||
133 | "name": "ignition", | 133 | "name": "ignition", | ||
134 | "state": "active", | 134 | "state": "active", | ||
135 | "vocabulary_id": null | 135 | "vocabulary_id": null | ||
136 | } | 136 | } | ||
137 | ], | 137 | ], | ||
138 | "title": "Fuel cells and hydrogen joint undertaking (fch ju)", | 138 | "title": "Fuel cells and hydrogen joint undertaking (fch ju)", | ||
139 | "type": "vdataset", | 139 | "type": "vdataset", | ||
140 | "url": "https://doi.org/10.35097/1483" | 140 | "url": "https://doi.org/10.35097/1483" | ||
141 | } | 141 | } |