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Journal : MESIN

EVALUASI KINERJA POMPA PENDINGIN PRIMER RSG-GAS SETELAH BEROPERASI 27.000 JAM OPERASI Suroso, Suroso
MESIN Vol 8, No 3 (2006)
Publisher : Program Studi Teknik Mesin, Universitas Trisakti

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Abstract

The cooling system of MTR GA. Siwahessy consists ofprimary cooling system and secondary coolingsystem which are equiped with several i. e.pumps are primary pump and secondary pump. The pumps are veryimportancefor supporting reactor operation. The reactor has beenoperatedmore than 27,000 hours since thefirst time operation on 1987, so theperformance primary pump need to be evaluated. The evaluation is basedonmeasurement results inthefield. The evaluation results ofpump performance ispresented bycharacteristiccurve consisting of: head, efficiency and pump power as the junction of flow rate capacity. The primarycooling pump characteristics after 27,000 hours in operation show that by increasing of head andpumppower, the power supply is still able overcome and still under its specified value i.e. 160kW. The deviation ofhead, pump power and efficiency compared the commissioning condition is less than 10 %. so the primarvpumpperformance is still good.
PEMANFAATAN METODA JARINGAN SYARAF TIRUAN BACK PROPAGATION?ADA ANALISIS PENGARUH PARAMETER PEMOTONGAN TERHADAP KEMIRINGAN SISI POTONG HASIL PEMOTONGAN DENGAN LASER CO2 Cahyati, Sally; Suroso, Suroso
MESIN Vol 8, No 2 (2006)
Publisher : Program Studi Teknik Mesin, Universitas Trisakti

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Abstract

The weakness of a laser cutting edges product is tapering form. Sometime tapering is an unwantedperformance product and needfinishing processes to eliminate its. Setting ofparameters cutting can minimizetapering. Amodeling of process is needed to represent the relationship influence of each parameter cutting.But there are difficulties torepresent them tobemathematical models. The solutionfor this case is use one ofArtificial Neural Network (ANN) method what is called Back Propagation. This is an appropriate method toprocess input - output data to be a model process. The results show that the tapering is significantlyinfluenced by the parameters process, the nozzle speed andgas pressure, having the most significant effects.
Co-Authors A.A. Ketut Agung Cahyawan W Abd. Rasyid Syamsuri Abdi, Nugraha Rangga Adewasti, Adewasti AGUS MULIADI PUTRA, AGUS MULIADI Alvin, Fauzi Ananto Aji, Ananto Ananto, Aji Antoro, Landung Malik Apik Budi Santoso Apriliza, Anggia Nur Apriliza, Anggia Nur Arum Uktiani, Arum Benedikta Anna Haulian Siboro Bregas Widya Pratama, Bregas Widya Bursandy, Azimi Bursandy, Azimi Daru Tri Nugroho Denny Zebyan, Denny Devy, Rosindi Arta Dewi Liesnoor Setyowati Diana Ariswanti Triningtyas, Diana Ariswanti Dini Yuniar Safitri, Dini Yuniar Dolly Arthur Siregar, Dolly Arthur Doni Prayogo, Doni dwi ayu lestari, dwi ayu Eka Susanti Emilia Hesti Endang Wuryandini, Endang Endhar Gilang Pradipta, Endhar Erni Suharini Esmijati Esmijati, Esmijati Garnis, Aishah Garnis, Aishah Hari Prasetijo Heri Tjahjono Herlan Pratikto Ibnu Ziad, Ibnu Igaa Noviekayati, Igaa Islami, Qonitath Bella Jumrotin, Jumrotin Khairul Ismi, Khairul Lestari, Maria Sekar Luh Putu Ratna Sundari Maharani, Prita Yulia Maliatul Inayati, Maliatul Manullang, Jessica M Maramis, Fandy Marchus Budi Utomo, Marchus Budi Martono Martono Moch., Arifien Moh.Hadi Mahmudi Muhammad Eka Putra, Muhammad Eka Muhammad Erwin Mulyadi, Wiwid Bangun Nalisa, Ganes Nalisa, Ganes Nasron Nasron Natakusuma, Adhitya Natakusuma, Adhitya Ngurah Ayu Nyoman Murniati Nora Idiawati Nugroho, Danit Aji Nurul Safarida, Nurul Prayugo, Muchammad Inggit Puji Hardati Purnamasari, Aini Nadhifah Puspasari, Ayu Puspita, Arum Listya Putra Muhammad Rifqi, Putra Muhammad Putri, Astriana Rahma Qosim, Marlin Ibnu Rifaldi, Kgs Muhammad Sahat Saragih Sally Cahyati Salsabila, Unik Hanifah Samrotul Rizqiyah, Samrotul Santi, Dyan Evita Sardulo Gembong, Sardulo Satria Ardhi Permana Sopian Soim, Sopian Sri Sayekti Sri Wahyuni Sri Widyarti Sriyanto Sriyanto Stefanus Santosa Sugiarti, Laras Sih Sugiarti, Laras Sih Suhendrianto Suhendrianto, Suhendrianto Suhendro, Budi Sujatno Sujatno Sukamti Sukamti, Sukamti Sukoco, Nesa Sulistiyo, Andri Sunarko Sunarko suprapto, Mohammad Nur suprapto, Mohammad Nur Tatik Meiyuntariningsih Tjaturahono Budi Sanjoto Tukidi Tukidi, Tukidi Wahyu Setyaningsih Wahyu Widiyanto, Wahyu Wasitoh Meirani Widawati, Dwi Winasis Winasis Wisnu Kurniawan Yundari, Yundari Yustinus Yustinus, Yustinus