PRESSURE AND TEMPERATURE DROP IN THE STEAM PIPELINE

Supriyono, Toto and Andri, Mardefi (2011) PRESSURE AND TEMPERATURE DROP IN THE STEAM PIPELINE. Annual Engineering Seminar 2011, 1 (1). pp. 52-57. ISSN 978-60298-0-6

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Abstract

This report presents an estimation for both pressure and temperature drop along a steam pipeline, in addition, to know whether the steam condition at the pipeline outlet is in saturated condition. The steam pipeline considered is a pipeline system to supply steam from some steam production wells to a geothermal power plant which has capacity 1 x 55 MW. The steam pipeline as a steam gathering system will transport steam from eight production wells to the scrubber of the power plant. The steam fields comprises of two cross country pipelines, the east steam field with six production wells and the west steam field with two production wells. The two cross country pipelines are jointed together to the steam pipeline that is connected to the scrubber of the power plant before the steam supplied to the steam turbine. The steam pipeline has a total length 3.88 km and the pipe size is started from 400mm (16 in), 500mm (20 in), 750mm (30 in), 900mm (36 in) and 1050mm (42 in) in diameter at the outlet section (downstream). Furthermore, the pipeline is insulated by an insulation made of calcium silica with 50 mm in thickness. The steam at inlet section of the steam pipeline (upstream) is in saturated condition at pressure 11.14 bar(a). The pressure drop of steam has been estimated involve both frictions along pipes and resistance through fittings. Moreover, the temperature drop of steam along pipeline has been carried out by considers heat loss from steam to ambient that has temperature 6.7 C. The calculation result gives the pressure and temperature of steam at the outlet section is 7.14 bar(a) and 170.59 C when the steam condition at the upstream is 11.14 bar(a), saturated and the insulation thickness is 80 mm. To achieved the steam pressure around 8 bar(a) and saturated then the steam pressure at upstream is 11.8 bar(a) minimum and the insulation thickness is 80 mm. Keyword: Steam pipeline, pressure drop, temperature drop

Item Type: Article
Subjects: PROCEEDING
Divisions: Fakultas Teknik > Teknik Mesin 2012
Depositing User: Irwan Kustiawan Kosasih
Date Deposited: 18 Apr 2022 02:36
Last Modified: 19 Apr 2022 02:26
URI: http://repository.unpas.ac.id/id/eprint/56845

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