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Power Plant Waste Heat Utilization for Soil Heating using Subsurface Pipes | ||
| Journal of Engineering and Sustainable Development | ||
| Article 1, Volume 16, Issue 1, 2012, Pages 273-286 | ||
| Author | ||
| Salah Sabeeh Abed-Alkareem | ||
| Abstract | ||
| Warm water is circulated through the soil medium in order to maintain the plant root zone above same critical temperature. In power plants reject heat from steam through the condenser, the waste heat, could be a suitable resource for soil heating. This work presents theoretical and numerical models. Two methods are applied with water temperature (20°C, 30°C, and .50°C) to give the temperature distribution in the soil around buried pipes carrying hot water. The Models used to calculate the required heated land area using the heat from power plants of Daura Steam Power Plant where the discharge 85000m3/hr at Tw = 20°C which is cover the land area (44.7Km2) with piping of (4cm) diameter and length of(10714m). The theoretical results are compared with experimental published work (Johnsion 1976) and showed good agreements. | ||
| Keywords | ||
| Heat transfer; Analytical Solution; numerical solution; Soil Depth; Soil Surface | ||
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