Gravitational Drainage from a Granular Bed
The process of one-dimensional drainage of initially saturated granular bed was studied experimentally and theoretically. The permeability-capillary pressure and water content-capillary pressure relationships were determined from the measurements. The suction pressure distribution during drainage wa...
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| Veröffentlicht in: | Funtai Kogakkaishi Japan, 1988/10/10, Vol.25(10), pp.660-666 |
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| container_issue | 10 |
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| container_title | Funtai Kogakkaishi |
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| creator | ATSUMI, Kunio OHTANI, Hironobu MIYAI, Kenji MAKINO, Toshio |
| description | The process of one-dimensional drainage of initially saturated granular bed was studied experimentally and theoretically. The permeability-capillary pressure and water content-capillary pressure relationships were determined from the measurements. The suction pressure distribution during drainage was also measured, and the initial condition for Richards' differential equation of flow through the granular bed was experimentally confirmed. Richards' equation was solved numerically by the finite difference method with experimentally determined permeability and capillary pressure-water content relationships. Total discharge and capilary suction pressure distribution data during drainage compare very favourably with numerical results, revealing that the present theoretical treatment and the initial condition for Richards' equation are satisfactory. |
| doi_str_mv | 10.4164/sptj.25.660 |
| format | Article |
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The permeability-capillary pressure and water content-capillary pressure relationships were determined from the measurements. The suction pressure distribution during drainage was also measured, and the initial condition for Richards' differential equation of flow through the granular bed was experimentally confirmed. Richards' equation was solved numerically by the finite difference method with experimentally determined permeability and capillary pressure-water content relationships. Total discharge and capilary suction pressure distribution data during drainage compare very favourably with numerical results, revealing that the present theoretical treatment and the initial condition for Richards' equation are satisfactory.</description><identifier>ISSN: 0386-6157</identifier><identifier>EISSN: 1883-7239</identifier><identifier>DOI: 10.4164/sptj.25.660</identifier><language>eng</language><publisher>The Society of Powder Technology, Japan</publisher><subject>Granular Bed ; Gravitational Drainage ; Moisture Content ; Permeability ; Suction Pressure</subject><ispartof>Journal of the Society of Powder Technology, Japan, 1988/10/10, Vol.25(10), pp.660-666</ispartof><rights>The Society of Powder Technology, Japan</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,4009,27902,27903,27904</link.rule.ids></links><search><creatorcontrib>ATSUMI, Kunio</creatorcontrib><creatorcontrib>OHTANI, Hironobu</creatorcontrib><creatorcontrib>MIYAI, Kenji</creatorcontrib><creatorcontrib>MAKINO, Toshio</creatorcontrib><title>Gravitational Drainage from a Granular Bed</title><title>Funtai Kogakkaishi</title><addtitle>J. Soc. Powder Technol., Japan</addtitle><description>The process of one-dimensional drainage of initially saturated granular bed was studied experimentally and theoretically. The permeability-capillary pressure and water content-capillary pressure relationships were determined from the measurements. The suction pressure distribution during drainage was also measured, and the initial condition for Richards' differential equation of flow through the granular bed was experimentally confirmed. Richards' equation was solved numerically by the finite difference method with experimentally determined permeability and capillary pressure-water content relationships. Total discharge and capilary suction pressure distribution data during drainage compare very favourably with numerical results, revealing that the present theoretical treatment and the initial condition for Richards' equation are satisfactory.</description><subject>Granular Bed</subject><subject>Gravitational Drainage</subject><subject>Moisture Content</subject><subject>Permeability</subject><subject>Suction Pressure</subject><issn>0386-6157</issn><issn>1883-7239</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1988</creationdate><recordtype>article</recordtype><recordid>eNo9j8FOwzAMhiMEEmVw4gV6BrXEcZM2RxhsIE3iAufISxNo1bVTUpB4e1qGdvF_8Pdb_hi7Bp4XoIq7uB_bXMhcKX7CEqgqzEqB-pQlHCuVKZDlObuIseVcaQBI2M060Hcz0tgMPXXpY6Cmpw-X-jDsUkqnbf_VUUgfXH3Jzjx10V3954K9r57els_Z5nX9srzfZBY08kwqVBbKrUJfSuEU6kpjXTgvSIEjiVDUlazJoyWBigrgUntvhSxgW2uJC3Z7uGvDEGNw3uxDs6PwY4CbWdPMmkZIM2lO9OpAt3GcHj-yFMbGdu6PBV1WMz_1D3MqHgH7ScG4Hn8BF59dPw</recordid><startdate>1988</startdate><enddate>1988</enddate><creator>ATSUMI, Kunio</creator><creator>OHTANI, Hironobu</creator><creator>MIYAI, Kenji</creator><creator>MAKINO, Toshio</creator><general>The Society of Powder Technology, Japan</general><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>1988</creationdate><title>Gravitational Drainage from a Granular Bed</title><author>ATSUMI, Kunio ; OHTANI, Hironobu ; MIYAI, Kenji ; MAKINO, Toshio</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c1930-5636c17b63f752e639893d4ef2a61ea5314d85daf3ca236a41059ffc2541bd953</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1988</creationdate><topic>Granular Bed</topic><topic>Gravitational Drainage</topic><topic>Moisture Content</topic><topic>Permeability</topic><topic>Suction Pressure</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>ATSUMI, Kunio</creatorcontrib><creatorcontrib>OHTANI, Hironobu</creatorcontrib><creatorcontrib>MIYAI, Kenji</creatorcontrib><creatorcontrib>MAKINO, Toshio</creatorcontrib><collection>CrossRef</collection><jtitle>Funtai Kogakkaishi</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>ATSUMI, Kunio</au><au>OHTANI, Hironobu</au><au>MIYAI, Kenji</au><au>MAKINO, Toshio</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Gravitational Drainage from a Granular Bed</atitle><jtitle>Funtai Kogakkaishi</jtitle><addtitle>J. Soc. Powder Technol., Japan</addtitle><date>1988</date><risdate>1988</risdate><volume>25</volume><issue>10</issue><spage>660</spage><epage>666</epage><pages>660-666</pages><issn>0386-6157</issn><eissn>1883-7239</eissn><abstract>The process of one-dimensional drainage of initially saturated granular bed was studied experimentally and theoretically. The permeability-capillary pressure and water content-capillary pressure relationships were determined from the measurements. The suction pressure distribution during drainage was also measured, and the initial condition for Richards' differential equation of flow through the granular bed was experimentally confirmed. Richards' equation was solved numerically by the finite difference method with experimentally determined permeability and capillary pressure-water content relationships. Total discharge and capilary suction pressure distribution data during drainage compare very favourably with numerical results, revealing that the present theoretical treatment and the initial condition for Richards' equation are satisfactory.</abstract><pub>The Society of Powder Technology, Japan</pub><doi>10.4164/sptj.25.660</doi><tpages>7</tpages><oa>free_for_read</oa></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0386-6157 |
| ispartof | Journal of the Society of Powder Technology, Japan, 1988/10/10, Vol.25(10), pp.660-666 |
| issn | 0386-6157 1883-7239 |
| language | eng |
| recordid | cdi_crossref_primary_10_4164_sptj_25_660 |
| source | Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals |
| subjects | Granular Bed Gravitational Drainage Moisture Content Permeability Suction Pressure |
| title | Gravitational Drainage from a Granular Bed |
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