Design and Validation of a Test Rig to Simulate High Rainfall Events for Infiltration Studies of Permeable Pavement Systems
AbstractThis paper presents the design and validation of a relatively cost-effective test rig to simulate high rainfall events; such a rig offers a great opportunity for conducting studies (e.g., high infiltration studies) that require high intensity of rainfall on pervious pavements and other perme...
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Veröffentlicht in: | Journal of irrigation and drainage engineering 2012-06, Vol.138 (6), p.553-557 |
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creator | Nnadi, Ernest O Newman, Alan P Duckers, Les Coupe, Stephen J Charlesworth, Susanne |
description | AbstractThis paper presents the design and validation of a relatively cost-effective test rig to simulate high rainfall events; such a rig offers a great opportunity for conducting studies (e.g., high infiltration studies) that require high intensity of rainfall on pervious pavements and other permeable systems. The calibration of the test rig, which produced more than 600 mm/h rainfall intensity, was successful. A simple method of using digital photography to capture raindrops and determine raindrop diameter was developed and used successfully to determine the drop size of simulated rainfall by the test rig. Results obtained by this method indicated that the raindrop diameter varied from 0.69–8.97 mm, which was consistent with the high rainfall intensity generated by test rig. Categorization of raindrop size according to Wilson Bentley’s classification showed 1.84, 6.42, 33.95, 26.61, and 31.19% for very small, small, medium, large, and very large drops, respectively, which was considered consistent with the relatively high rainfall intensity generated by the test rig. |
doi_str_mv | 10.1061/(ASCE)IR.1943-4774.0000446 |
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The calibration of the test rig, which produced more than 600 mm/h rainfall intensity, was successful. A simple method of using digital photography to capture raindrops and determine raindrop diameter was developed and used successfully to determine the drop size of simulated rainfall by the test rig. Results obtained by this method indicated that the raindrop diameter varied from 0.69–8.97 mm, which was consistent with the high rainfall intensity generated by test rig. Categorization of raindrop size according to Wilson Bentley’s classification showed 1.84, 6.42, 33.95, 26.61, and 31.19% for very small, small, medium, large, and very large drops, respectively, which was considered consistent with the relatively high rainfall intensity generated by the test rig.</description><identifier>ISSN: 0733-9437</identifier><identifier>EISSN: 1943-4774</identifier><identifier>DOI: 10.1061/(ASCE)IR.1943-4774.0000446</identifier><identifier>CODEN: JIDEDH</identifier><language>eng</language><publisher>Reston, VA: American Society of Civil Engineers</publisher><subject>Agricultural and forest climatology and meteorology. Irrigation. Drainage ; Agronomy. Soil science and plant productions ; Biological and medical sciences ; Fundamental and applied biological sciences. Psychology ; General agronomy. Plant production ; Irrigation. 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The calibration of the test rig, which produced more than 600 mm/h rainfall intensity, was successful. A simple method of using digital photography to capture raindrops and determine raindrop diameter was developed and used successfully to determine the drop size of simulated rainfall by the test rig. Results obtained by this method indicated that the raindrop diameter varied from 0.69–8.97 mm, which was consistent with the high rainfall intensity generated by test rig. Categorization of raindrop size according to Wilson Bentley’s classification showed 1.84, 6.42, 33.95, 26.61, and 31.19% for very small, small, medium, large, and very large drops, respectively, which was considered consistent with the relatively high rainfall intensity generated by the test rig.</description><subject>Agricultural and forest climatology and meteorology. Irrigation. Drainage</subject><subject>Agronomy. Soil science and plant productions</subject><subject>Biological and medical sciences</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>General agronomy. Plant production</subject><subject>Irrigation. 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Drainage</topic><topic>Technical Note</topic><topic>Technical Notes</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Nnadi, Ernest O</creatorcontrib><creatorcontrib>Newman, Alan P</creatorcontrib><creatorcontrib>Duckers, Les</creatorcontrib><creatorcontrib>Coupe, Stephen J</creatorcontrib><creatorcontrib>Charlesworth, Susanne</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Aqualine</collection><collection>Water Resources Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 2: Ocean Technology, Policy & Non-Living Resources</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><jtitle>Journal of irrigation and drainage engineering</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Nnadi, Ernest O</au><au>Newman, Alan P</au><au>Duckers, Les</au><au>Coupe, Stephen J</au><au>Charlesworth, Susanne</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Design and Validation of a Test Rig to Simulate High Rainfall Events for Infiltration Studies of Permeable Pavement Systems</atitle><jtitle>Journal of irrigation and drainage engineering</jtitle><date>2012-06-01</date><risdate>2012</risdate><volume>138</volume><issue>6</issue><spage>553</spage><epage>557</epage><pages>553-557</pages><issn>0733-9437</issn><eissn>1943-4774</eissn><coden>JIDEDH</coden><abstract>AbstractThis paper presents the design and validation of a relatively cost-effective test rig to simulate high rainfall events; such a rig offers a great opportunity for conducting studies (e.g., high infiltration studies) that require high intensity of rainfall on pervious pavements and other permeable systems. The calibration of the test rig, which produced more than 600 mm/h rainfall intensity, was successful. A simple method of using digital photography to capture raindrops and determine raindrop diameter was developed and used successfully to determine the drop size of simulated rainfall by the test rig. Results obtained by this method indicated that the raindrop diameter varied from 0.69–8.97 mm, which was consistent with the high rainfall intensity generated by test rig. Categorization of raindrop size according to Wilson Bentley’s classification showed 1.84, 6.42, 33.95, 26.61, and 31.19% for very small, small, medium, large, and very large drops, respectively, which was considered consistent with the relatively high rainfall intensity generated by the test rig.</abstract><cop>Reston, VA</cop><pub>American Society of Civil Engineers</pub><doi>10.1061/(ASCE)IR.1943-4774.0000446</doi><tpages>5</tpages></addata></record> |
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source | American Society of Civil Engineers:NESLI2:Journals:2014 |
subjects | Agricultural and forest climatology and meteorology. Irrigation. Drainage Agronomy. Soil science and plant productions Biological and medical sciences Fundamental and applied biological sciences. Psychology General agronomy. Plant production Irrigation. Drainage Technical Note Technical Notes |
title | Design and Validation of a Test Rig to Simulate High Rainfall Events for Infiltration Studies of Permeable Pavement Systems |
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