| Title | A Technical Feasibility Study on the Use of «avundur Geothermal Field for Greenhouse Heating |
|---|---|
| Authors | Huseyin Kasapoglu, Mahmut Parlaktuna |
| Year | 2005 |
| Conference | World Geothermal Congress |
| Keywords | Geothermal Energy, Greenhouse Heating, «ankiri, «avundur Geothermal Field |
| Abstract | Heating of a greenhouse can be done using different systems and design procedures. The applicability of different types of greenhouses is studied at the field local conditions, «avundur-«ankiri, Turkey. Required heating load was calculated that is due to infiltration and conduction through the greenhouse cover at a single design point, which is the minimum outside temperature. Two types of heating systems, soil heating system and bare tube system, were considered. Analysis of results showed that, «avundur geothermal field with 54 ?C fluid temperature is suitable for greenhouse heating. Although the existing well «-1 is capable of producing 47 l/s, the flow rate of geothermal fluid for greenhouse heating was limited by 35 l/s due to existing thermal facilities in the area. Among different glazing materials, plastic film covered greenhouses with double poly was found to be the most suitable in terms of heat load calculations. The maximum number of greenhouses (the area of each green house is 216 m2) that can be heated by «avundur Geothermal field was found to be 138 by considering soil heating with double poly glazing material. Annual heat load factor of geothermal energy for greenhouse heating in «avundur area was found to be as high as 96% depending on indoor design temperature and base load. |