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Journal : BERKALA FISIKA

PREDIKSI PENURUNAN KUALITAS UAP PEMBANGKIT LISTRIK TENAGA GEOTERMAL DIHUBUNGKAN DENGAN STRATEGI PEMELIHARAAN DIMASA YANG AKAN DATANG Mulyana, Cukup; Nurhilal, Otong; H Saad, Aswad; Taufik, Ahmad
BERKALA FISIKA 2014: Berkala Fisika Vol. 17 No. 2 Tahun 2014
Publisher : BERKALA FISIKA

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Abstract

In Geothermal power plant steam quality plays a very important role because it is associated with enthalpy and affects the reliability of the turbine. Studies have been carried out on the trend of a decrease in pressure, temperature and flow that comes out of a wellhead for 25 years. In addition the study also conducted in steam pressure drop duriing transmission process in the pipeline from the wellhead to the turbine due to friction factor , elevation , and junctions. Existing wellhead temperature is 202OC – 243OC, pressure of 8.2 kg/cm2 – 12.7kg/cm2. Operating parameters of the turbine are minimum pressure of 6.5 kg/cm2 and superheat temperature of 169oC. By looking at the trend of decrease in pressure and temperature, in the next few years is concerned to be achieved under the limit pressure. Concerning the decrease of enthalpy, give impact to decreasing of KWh. Therefore it should be anticipated from the beginning so it is not threat the continuity of the operation of geothermal power. From the study enthalpy did not decrease significantly in other hand the pressure drop significantly at the wellhead. The steam quality is still in good because the steam is superheated condition. The problem that needs to be addressed is the pressure drop from the wellhead to the turbine at 16.1 %. It is recommended to replace the T junction into a Y junction in order to minimize the pressure drop in the pipeline transmission. Keywords : steam quality, pressure, temperature, wellhead
Co-Authors Abdurrosid, Lalu Muhammad Kamal Adawiyah, Hazanatul Agung Suhadi Agus Kosasih, Agus Agustina, Delia Indah Agustina, Nova Ahmad Mustaniruddin Akhmad Zamroni Al, Muchammad Bio Alawiyah, Geby Alaydrus, M. Mukaddam Alaydrus, Mukaddam Alfathdyanto, Khairurizal Ali Husein Alasiry Alim, Irwan Amalia, Anita Reski Amelya Putri, Latifah Andi Rosdianti Razak, Andi Rosdianti Andri, Aimil Musfi Andrianingsih Anissa, Lentiani Anshori, Maz Isa Ansyori, Maz Isa Antoni, Darius Anwar, Hamdani Arfi Syamsun Arifin Arifin Arma, Nur Ambia Arman Ashari, L. Hasan Ashari, Lulu Hasan Asrul Sani Aswad H Saad Atrianti, Atrianti Azka, Af'idatul Azman, Zainal Bambang Husni Nugroho Bambang Priyanto, Bambang Batubara, Monica Mulyani Bhiaztika Ristyanadi Botha, Marten Budi Setiawati Budi Swastomo Budiyantara, Agus BUDIYANTO Burhanuddin Burhanuddin Chaminra, Tipani chandra, Pasmah Charles Charles Cukup Mulyana Darmawan, Adytia Decky Aditya Zulkarnaen Delima Delima Doharma, Rouli Doharma, Rouly Dzihab Aminudin, Muhammad Fachrun, Muh. Fadillah, Sri Fahruddin, Ahmad Hanif Fajri, Annur Falah, Hadi Mirojul Fariqhan, Dimas Zul Fathul Djannah Fauziah, Farah Fena Prayunisa Ferdiansyah, Ahmad Fierman Sjafirial Agustus Fitriana Fitriana Frangky Silitonga Gaffar, Dian Ekawati Gazali, Munawir Gunadi, Goldie Habibi, M. Ridwan Haikal, Zikrul Hamrun Hamzah, Muh. As'ad Hana, Siti Harahap, Henrawansyah Hardi, Rudi Hardivizon Hardivizon Hartatin, Rika Hastuti Hs, Sri Widya Hendra Suryadi Heni Pujiastuti Heru Sriyono Hidayat, Mayasya Afifah Hinda Lestari, Neng I Ketut Sudaryana, I Ketut Ibda, Hamidulloh Idris, Mochammad Ihyani Malik Indah Sabri, Alifyah Nur Indra Lestari, Indra Indra, Andito Irwansyah Irwansyah Isnaad, Ainia Dzikra Putri Jalil, Muhamad Jamil, Ahmad Jamil, Muhammad Ridwan Jannah, Andi Ifadtul Jemma, Jemma Johan Wahyudi, Johan JUNAEDI Kadriyan, Hamsu Kailani, Mohd Kamsi, Nurlila Khairul Muslim Khoiri, Ikhsan Kholik, Kholilul Kirom, Askhabul Kirom Kurniasari, Indah Kusmana Kusmana L. Hasan Ashari Latifa Dinar , Sarah Leli Hasanah Lubis Lestari, Rizka Vidya Lestia, Aprida Siska Lukito, Reni Marwiyati M Amin, M Makkiyah, Feda Anisah Manaf, Irfan Mariah Ulfah Mira Lestira Hariani Mochammad Imron Awalludin Mone, Ansyari Mubasyaroh Mubasyaroh, Mubasyaroh Muhammad Amril Pratama Putra, Muhammad Amril Muhammad Ramadhan Muhammad Rosyidi, Rohadi Muhammad Yunus Muryono, Tupan Tri Mustakim, Yasin Mustapidah, Tita Siti Nandana, Pandu Ishaq Novitawati, Nelly Novrizal, Yudhi Nur Azizah Nur Mauliana, Julia Nur Wahid, Nur Nurtjahyono, Nurtjahyono Nurwijayanti Nuryanti Mustari, Nuryanti Nuswanto, Heru Susetyo Ohan Farhan Otong Nurhilal Padauleng, Novrita Paerdoe, Lalu Dane Pemban Panjaitan, Albert Parawu, Hafiz Elfiansya Parawu, Hafiz Elfiansyah Parulian, L Taufik Pasaribu, Faisal Irsan Prasetyaningtyas , Fitria Dwi Prasetyo, Bambang Agung Pratama, Muhammad Rivaldi Purnaning, Dyah Puspa, Andi Asindah Puspita, Diah Ayu Putri Aisyah Nurrachman, Salsa Raden Mohamad Herdian Bhakti Rahayu, Dhian Nur Rahim, Samsir Rahma, Andi Aswirathul Rahman , Hadian Rahmisyari Ramadhani, Khadafi Reny, Reny Rina Febriana Rizki Ramadhani Rohadi Rohadi Rokyal Harjanty Rosalina, Zakiyah Rusman, Muhammad Ruth Riah Ate Tarigan Salafudin Salafudin, Salafudin Salama, Heti Saputro, Wahid Hadi Sari, Nurmita Septiani, Nonik Setyawan, Cahya Edi Siti Aisyah Siti Hajar Siti Nurjanah Soelaiman, T. A Fauzi Soma, Tito Arya Steven Christian Suhaimi, Firdaus Sunanda, Sunanda Sunanto Sunanto Suparman Suparman Supriyono, Tjatur Surya Hardi, Surya Susi Rahayu Susmawan, Susmawan Suwarno Suwarno Syahidah, Putri Amalina Syahrial, Feri Syakila, Nurul Amira Taufik Jamaan Tikson, Deddy T Tri M, Tupan Utami, Isra Rezky Vandita, Lalu Yoga Witjoro, Wisnu Adi Wulandari, Rizka Wulpiah, Wulpiah Yasin, Muhammad Faishal Yoga Vandita, Lalu Yuherman Yuherman Yulianti, Almaida Yusuf, Abdul Mazid Yusutria Yusutria Yuwono Yuwono Zakaria, Wan Fariza Alyati Wan Zarkasi, Zarkasi Zuhan, Arif