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Journal : Sainstek

DESAIN DAN KAJIAN SIMULATIF HEAT EXCHANGER BERPROFIL ‘SPIRAL TUBE IN PIPE’ SEBAGAI PEMINDAH PANAS ANTARA ETHANOL DAN AIR Lapisa, Remon; Fernandez, Donny; Putra, Dwi Sudarno
Sainstek Vol 12, No 1 (2009): Vol. XII No. 1, September 2009
Publisher : Lembaga Penelitian Universitas Negeri Padang

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Abstract

The energy crisis has stimulated scientists to begin developing the concept of zero energy building through residual energy conservation and turn it into something useful, One of them is the use of ethanol in PEM fuel cells are obtained through distillation. To change the temperature Ethanol and can be destilled, will be designed heat exchanger that has a function : raising the temperature of ethanol in order to evaporates with intermediate high temperature water, and then lowering the temperature back pure ethanol with low-temperature water heat convection. ‘Spiral Tube In Pipe’heat exchanger is designed to transfer heat that brought by ethanol with the temperature  80 C  to the cooling water in a spiral tube wrapped with a pipe. Hopefully, through this method can achieve maximum heat transfer value, with low cost on ethanol output temperature 35 C. The basic principles in the development of this heat exchanger are the achievement of maximum heat transfer, Simple in design  and economic value.Tube material made of copper wich has good conduction coefficient. Water pipes made ​​of PVC plastic gutter is easily available and cheap. Minimum pipe size is designed to be more flexible, easily placed anywhere and is simple to maintain. In this paper also included a CFD simulation to determine the flow characteristics that occur along the copper tube. Mathematical equations of physical phenomena was resolved through a linear regression methods. Keywords: heat transfer, Spiral tube , efficiency, CFD simulation
Co-Authors Abadi, Zainal Abadi Abdullah, MT, Dr. Rijal Abimanyu, Bintang Ade Irma Suryani Afosma, Pinto Pratama Agus Bahrudi1 Ahmad Arif Ahmad Arif Ahmad Juanda Al Afif, Ashim Alamsah Alfiza Candra Amal, Nurul Anbiya, Rafiqul Andri Septiandes Andrizal Arif, Ahmad Abadi Asmar Yulastri Azani, Magribfa Baehaqi Baharudin, Agus Bahrul Amin Cagadas, Dominic Olango Capilayan, Mycel A. David Yulian Dedi Setiawan Deni Satria Dian Novian Donny Fernandez Dori Yuvenda Dunque, Kristine Mae Paboreal edy susanto Erzeddin Alwi Fahmi Otriza Fahrian, Hanif Fajar Hanifudin Afifi Fauzan Zharbaini Fitrah, Yunanda Ganefri . Gito Gito Giantoro - Hafis Khoiri Hafiz Hidayat Hamid Nasrullah Hanif Fahrian Hasan Maksum Hendra Dani Saputra I Gusti Bagus Wiksuana Indri Rahmayuni Irma Yulia Basri Jheri Hermanto Koto, Rahmat Desman Krismadinata Krismadinata, Krismadinata kustanrika, irma wirantina M Giatman M Nasir M Nasir M. Yasep Setiawan M.Riki Rinaldi M.Yasep Setiawan Martias Martias Martias Martias Martias Masykur Masykur Maulana, Fajar Meri Azmi Meri Azmi Meri Azmi Meri Azmi - Miftahul Jannah Milana Milana Miswardi Mochamad Bruri Triyono Mufdi Ashadrul Aldi Pane Muji Setiyo Mulani, Firoj Muliady, Rabby Mulya, Farhan Rinsky Muslikhin Muslim Muslim Naufal Alifka Nizwardi Jalinus Nurindah Dwiyani Nuzul Hidayat, Nuzul Paboreal Dunque, Kristine Mae Padrigalan, Kathleen Ebora Pahlevi, Reza Trio Pinto Pratama Afosma Pramadanta, Aqshal Purwanto, Wawan Putra, Dede Prima Rafiq, Arif Ainur Rahul Fuaddi Ramadhan, Miftahuddin Rasyidah, - Remon Lapisa Ridwan Ridwan Ridwan, Ridwan Rifdarmon, Rifdarmon Risfendra, Risfendra Rizky Farhanul Lisan Rusdiman Sahid, Restu Setiawan, Yasep Sri Lestari Sugiarto, Toto Suliono Suliono Suroto Munahar Syalsa Billa Ahmad Toto Sugiarto Toto Sugiarto Toto Sugiarto Toto Sugiarto Tri Lestari Tymofiiv, Volodymyr Wagino Wakhinuddin S Wakhinuddin S - Yance Sonatha Yogianda Aprilindo Zames, Fajri Pratama Zikri Zikri Zulfan, Aldi Tri Okta