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f | 1 | { | f | 1 | { |
2 | "author": "Jordan, Thomas", | 2 | "author": "Jordan, Thomas", | ||
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": "10.35097/1187", | 5 | "doi": "10.35097/1187", | ||
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": "1d08df88-5722-4b71-930d-6502d63c3e1e", | 10 | "id": "1d08df88-5722-4b71-930d-6502d63c3e1e", | ||
11 | "isopen": false, | 11 | "isopen": false, | ||
12 | "license_id": "CC BY 4.0 Attribution", | 12 | "license_id": "CC BY 4.0 Attribution", | ||
13 | "license_title": "CC BY 4.0 Attribution", | 13 | "license_title": "CC BY 4.0 Attribution", | ||
14 | "metadata_created": "2023-08-04T08:50:14.736549", | 14 | "metadata_created": "2023-08-04T08:50:14.736549", | ||
t | 15 | "metadata_modified": "2023-08-04T08:51:49.600154", | t | 15 | "metadata_modified": "2023-08-04T08:53:20.529878", |
16 | "name": "rdr-doi-10-35097-1187", | 16 | "name": "rdr-doi-10-35097-1187", | ||
17 | "notes": "Abstract: In the frame of the PRESLHY project more than | 17 | "notes": "Abstract: In the frame of the PRESLHY project more than | ||
18 | 200 hydrogen blow-down experiments were made with the DisCha-facility | 18 | 200 hydrogen blow-down experiments were made with the DisCha-facility | ||
19 | at KIT and about half of the experiments were made at cryogenic | 19 | at KIT and about half of the experiments were made at cryogenic | ||
20 | temperatures (approx. 80 K). During the experimental campaign the | 20 | temperatures (approx. 80 K). During the experimental campaign the | ||
21 | facility was continuously improved and extended, since several | 21 | facility was continuously improved and extended, since several | ||
22 | problems with the facility and instrumentation were encountered. | 22 | problems with the facility and instrumentation were encountered. | ||
23 | However, the tests showed very good reproducibility. Although the | 23 | However, the tests showed very good reproducibility. Although the | ||
24 | actual exploitation of the data is left for the further modelling work | 24 | actual exploitation of the data is left for the further modelling work | ||
25 | in the work packages WP3 and WP4, some interesting observations are: | 25 | in the work packages WP3 and WP4, some interesting observations are: | ||
26 | not a single test showed a spontaneous ignition, although the cold | 26 | not a single test showed a spontaneous ignition, although the cold | ||
27 | jets generated relative strong electrostatic fields. This static | 27 | jets generated relative strong electrostatic fields. This static | ||
28 | electricity seems to be generated by ice crystal which form on the | 28 | electricity seems to be generated by ice crystal which form on the | ||
29 | release nozzle before the tests. The cold tests with large diameter | 29 | release nozzle before the tests. The cold tests with large diameter | ||
30 | and high pressure show strong temperature decay in the reservoir close | 30 | and high pressure show strong temperature decay in the reservoir close | ||
31 | to the boiling point of hydrogen and quite a huge fraction of | 31 | to the boiling point of hydrogen and quite a huge fraction of | ||
32 | \u201cparticles\u201d entrained in the released jet were recorded. It | 32 | \u201cparticles\u201d entrained in the released jet were recorded. It | ||
33 | is assumed that this is ice from ambient humidity and frozen on the | 33 | is assumed that this is ice from ambient humidity and frozen on the | ||
34 | nozzle before the actual test. However, there might be condensed | 34 | nozzle before the actual test. However, there might be condensed | ||
35 | hydrogen involved, as the acceleration of the gas through the nozzle | 35 | hydrogen involved, as the acceleration of the gas through the nozzle | ||
36 | might bring down the temperature below the boiling point. Only | 36 | might bring down the temperature below the boiling point. Only | ||
37 | detailed multi-phase simulations accounting for non-equilibrium | 37 | detailed multi-phase simulations accounting for non-equilibrium | ||
38 | effects of the real gases\u2019 behaviour might clarify this | 38 | effects of the real gases\u2019 behaviour might clarify this | ||
39 | issue.\r\nTechnicalRemarks: Result dataset files in Excel format of | 39 | issue.\r\nTechnicalRemarks: Result dataset files in Excel format of | ||
40 | the sub-set of experiments with most mature measurement set-up. Data | 40 | the sub-set of experiments with most mature measurement set-up. Data | ||
41 | for all initial pressure levels, but same temperature (tt=80K/300K) | 41 | for all initial pressure levels, but same temperature (tt=80K/300K) | ||
42 | and same nozzle diameter (mm=05/1/2/4mm) packed in zip file, named | 42 | and same nozzle diameter (mm=05/1/2/4mm) packed in zip file, named | ||
43 | PRE3P1A_KIT_Dmm_ttK_DATA.zip", | 43 | PRE3P1A_KIT_Dmm_ttK_DATA.zip", | ||
44 | "num_resources": 0, | 44 | "num_resources": 0, | ||
45 | "num_tags": 6, | 45 | "num_tags": 6, | ||
46 | "orcid": "", | 46 | "orcid": "", | ||
47 | "organization": { | 47 | "organization": { | ||
48 | "approval_status": "approved", | 48 | "approval_status": "approved", | ||
49 | "created": "2023-01-12T13:30:23.238233", | 49 | "created": "2023-01-12T13:30:23.238233", | ||
50 | "description": "RADAR (Research Data Repository) is a | 50 | "description": "RADAR (Research Data Repository) is a | ||
51 | cross-disciplinary repository for archiving and publishing research | 51 | cross-disciplinary repository for archiving and publishing research | ||
52 | data from completed scientific studies and projects. The focus is on | 52 | data from completed scientific studies and projects. The focus is on | ||
53 | research data from subjects that do not yet have their own | 53 | research data from subjects that do not yet have their own | ||
54 | discipline-specific infrastructures for research data management. ", | 54 | discipline-specific infrastructures for research data management. ", | ||
55 | "id": "013c89a9-383c-4200-8baa-0f78bf1d91f9", | 55 | "id": "013c89a9-383c-4200-8baa-0f78bf1d91f9", | ||
56 | "image_url": "radar-logo.svg", | 56 | "image_url": "radar-logo.svg", | ||
57 | "is_organization": true, | 57 | "is_organization": true, | ||
58 | "name": "radar", | 58 | "name": "radar", | ||
59 | "state": "active", | 59 | "state": "active", | ||
60 | "title": "RADAR", | 60 | "title": "RADAR", | ||
61 | "type": "organization" | 61 | "type": "organization" | ||
62 | }, | 62 | }, | ||
63 | "owner_org": "013c89a9-383c-4200-8baa-0f78bf1d91f9", | 63 | "owner_org": "013c89a9-383c-4200-8baa-0f78bf1d91f9", | ||
64 | "private": false, | 64 | "private": false, | ||
65 | "production_year": "2019", | 65 | "production_year": "2019", | ||
66 | "publication_year": "2023", | 66 | "publication_year": "2023", | ||
67 | "publishers": [ | 67 | "publishers": [ | ||
68 | { | 68 | { | ||
69 | "publisher": "Karlsruhe Institute of Technology" | 69 | "publisher": "Karlsruhe Institute of Technology" | ||
70 | } | 70 | } | ||
71 | ], | 71 | ], | ||
72 | "relationships_as_object": [], | 72 | "relationships_as_object": [], | ||
73 | "relationships_as_subject": [], | 73 | "relationships_as_subject": [], | ||
74 | "repository_name": "RADAR (Research Data Repository)", | 74 | "repository_name": "RADAR (Research Data Repository)", | ||
75 | "resources": [], | 75 | "resources": [], | ||
76 | "services_used_list": "", | 76 | "services_used_list": "", | ||
77 | "source_metadata_created": "2023", | 77 | "source_metadata_created": "2023", | ||
78 | "source_metadata_modified": "", | 78 | "source_metadata_modified": "", | ||
79 | "state": "active", | 79 | "state": "active", | ||
80 | "subject_areas": [ | 80 | "subject_areas": [ | ||
81 | { | 81 | { | ||
82 | "subject_area_additional": "", | 82 | "subject_area_additional": "", | ||
83 | "subject_area_name": "Engineering" | 83 | "subject_area_name": "Engineering" | ||
84 | } | 84 | } | ||
85 | ], | 85 | ], | ||
86 | "tags": [ | 86 | "tags": [ | ||
87 | { | 87 | { | ||
88 | "display_name": "Hydrogen safety", | 88 | "display_name": "Hydrogen safety", | ||
89 | "id": "3a86a914-89dc-4f0f-ad9a-85524d20c882", | 89 | "id": "3a86a914-89dc-4f0f-ad9a-85524d20c882", | ||
90 | "name": "Hydrogen safety", | 90 | "name": "Hydrogen safety", | ||
91 | "state": "active", | 91 | "state": "active", | ||
92 | "vocabulary_id": null | 92 | "vocabulary_id": null | ||
93 | }, | 93 | }, | ||
94 | { | 94 | { | ||
95 | "display_name": "blow-down", | 95 | "display_name": "blow-down", | ||
96 | "id": "f6823126-baf8-4c06-a210-ddbee748f3aa", | 96 | "id": "f6823126-baf8-4c06-a210-ddbee748f3aa", | ||
97 | "name": "blow-down", | 97 | "name": "blow-down", | ||
98 | "state": "active", | 98 | "state": "active", | ||
99 | "vocabulary_id": null | 99 | "vocabulary_id": null | ||
100 | }, | 100 | }, | ||
101 | { | 101 | { | ||
102 | "display_name": "cryogenic", | 102 | "display_name": "cryogenic", | ||
103 | "id": "c5cc1cdc-4784-41a0-b54e-e3587ed303f1", | 103 | "id": "c5cc1cdc-4784-41a0-b54e-e3587ed303f1", | ||
104 | "name": "cryogenic", | 104 | "name": "cryogenic", | ||
105 | "state": "active", | 105 | "state": "active", | ||
106 | "vocabulary_id": null | 106 | "vocabulary_id": null | ||
107 | }, | 107 | }, | ||
108 | { | 108 | { | ||
109 | "display_name": "discharge", | 109 | "display_name": "discharge", | ||
110 | "id": "8238a3e6-0def-4cd4-998f-78c2a90d34e7", | 110 | "id": "8238a3e6-0def-4cd4-998f-78c2a90d34e7", | ||
111 | "name": "discharge", | 111 | "name": "discharge", | ||
112 | "state": "active", | 112 | "state": "active", | ||
113 | "vocabulary_id": null | 113 | "vocabulary_id": null | ||
114 | }, | 114 | }, | ||
115 | { | 115 | { | ||
116 | "display_name": "liquid hydrogen", | 116 | "display_name": "liquid hydrogen", | ||
117 | "id": "9a7ddb9e-38f1-4c04-a796-3a89daf35e7f", | 117 | "id": "9a7ddb9e-38f1-4c04-a796-3a89daf35e7f", | ||
118 | "name": "liquid hydrogen", | 118 | "name": "liquid hydrogen", | ||
119 | "state": "active", | 119 | "state": "active", | ||
120 | "vocabulary_id": null | 120 | "vocabulary_id": null | ||
121 | }, | 121 | }, | ||
122 | { | 122 | { | ||
123 | "display_name": "release", | 123 | "display_name": "release", | ||
124 | "id": "65a16d89-d230-4b6d-be6b-156cb2996861", | 124 | "id": "65a16d89-d230-4b6d-be6b-156cb2996861", | ||
125 | "name": "release", | 125 | "name": "release", | ||
126 | "state": "active", | 126 | "state": "active", | ||
127 | "vocabulary_id": null | 127 | "vocabulary_id": null | ||
128 | } | 128 | } | ||
129 | ], | 129 | ], | ||
130 | "title": "Preslhy experiment series e3.1 (cryogenic hydrogen | 130 | "title": "Preslhy experiment series e3.1 (cryogenic hydrogen | ||
131 | blow-down/discharge) results \u2013 part a \"high pressure\"", | 131 | blow-down/discharge) results \u2013 part a \"high pressure\"", | ||
132 | "type": "vdataset", | 132 | "type": "vdataset", | ||
133 | "url": "https://doi.org/10.35097/1187" | 133 | "url": "https://doi.org/10.35097/1187" | ||
134 | } | 134 | } |