Using STELLA Software for Water Quality Modeling

Treeranut, Srisunont; Chayarat, Srisunont; Sittichai, Tantanasarit

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dc.contributor.author	Treeranut, Srisunont
dc.contributor.author	Chayarat, Srisunont
dc.contributor.author	Sittichai, Tantanasarit
dc.date.accessioned	2017-09-25T08:27:42Z
dc.date.available	2017-09-25T08:27:42Z
dc.date.issued	2016
dc.identifier.citation	การประชุมวิชาการระดับชาติและนานาชาติ “ราชภัฏวิจัยครั้งที่ 4”	en_US
dc.identifier.uri	http://dspace.bru.ac.th/xmlui/handle/123456789/2363
dc.description	Abstract STELLA is one of the computer software designed to help natural resource managers, and others make predictions about environmental systems. This research studied the fundamental concepts of STELLA. Then, applied water quality system by STELLA. Furthermore, predicted the DO and BOD change over time. The process of model used a two-step approach. First, establish the initial values for DO and BOD immediately after the river water and effluent are mixed. Second, predict the expected downstream DO and BOD levels. Four components of DO and BOD system were applied by STELLA, (1) DO and BOD storage (2) DO inflow (3) BOD inflow and (4) DO and BOD outflows by STELLA software. The result showed that model can predict DO and BOD levels in downstream of the discharge point (DO recovering). In addition, the DO and BOD level were affected by the reoxygenation coefficient (k1), reoxygenation coefficient (k2) and DO saturation (DOsat) respectively. Hence, this model can be used to investigate the relationship between BOD and DO concentrations in a river. Users can adjust the screen of STELLA software and observe how BOD and DO are affected as various parameters are changed.	en_US
dc.publisher	มหาวิทยาลัยราชภัฏบุรีรัมย์	en_US
dc.subject	STELLA	en_US
dc.subject	water quality	en_US
dc.subject	DO and BOD	en_US
dc.title	Using STELLA Software for Water Quality Modeling	en_US
dc.type	Proceedings	en_US