Modeling the Heat Sense Flowmeter
Real-time measurement of velocities in porous media is desirable for engineers engaged in ground-water remediation, monitoring projects, drainage studies, etc. This paper investigates the theory supporting the heat sense flowmeter and introduces a finite difference conduction-convection-dispersion m...
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| Veröffentlicht in: | Journal of irrigation and drainage engineering 1998-05, Vol.124 (3), p.148-151 |
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| container_title | Journal of irrigation and drainage engineering |
| container_volume | 124 |
| creator | Sisodia, Sunita Helweg, Otto J |
| description | Real-time measurement of velocities in porous media is desirable for engineers engaged in ground-water remediation, monitoring projects, drainage studies, etc. This paper investigates the theory supporting the heat sense flowmeter and introduces a finite difference conduction-convection-dispersion model to convert instrument response to Darcy velocity. The model was tested under laboratory conditions and demonstrated good agreement with the empirical data. Results showed a noticeable attenuation of the heat pulse amplitude for high velocities. This suggests that for high velocities, correlating the Darcy velocity with amplitude gives more accurate readings than correlating Darcy velocity with time to peak. |
| doi_str_mv | 10.1061/(ASCE)0733-9437(1998)124:3(148) |
| format | Article |
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The model was tested under laboratory conditions and demonstrated good agreement with the empirical data. Results showed a noticeable attenuation of the heat pulse amplitude for high velocities. This suggests that for high velocities, correlating the Darcy velocity with amplitude gives more accurate readings than correlating Darcy velocity with time to peak.</description><subject>Agronomy. Soil science and plant productions</subject><subject>Biological and medical sciences</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Physical properties</subject><subject>Physics, chemistry, biochemistry and biology of agricultural and forest soils</subject><subject>Soil science</subject><subject>Structure, texture, density, mechanical behavior. 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| fulltext | fulltext |
| identifier | ISSN: 0733-9437 |
| ispartof | Journal of irrigation and drainage engineering, 1998-05, Vol.124 (3), p.148-151 |
| issn | 0733-9437 1943-4774 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_26643791 |
| source | American Society of Civil Engineers:NESLI2:Journals:2014 |
| subjects | Agronomy. Soil science and plant productions Biological and medical sciences Fundamental and applied biological sciences. Psychology Physical properties Physics, chemistry, biochemistry and biology of agricultural and forest soils Soil science Structure, texture, density, mechanical behavior. Heat and gas exchanges TECHNICAL PAPERS |
| title | Modeling the Heat Sense Flowmeter |
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