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Journal : Barometer

ANALISIS KARAKTERISTIK METIL ESTER (BIODIESEL) MINYAK KEMIRI SEBAGAI ALTERNATIF BIOADITIF PENURUN TITIK TUANG BIODIESEL CPO Misdawati, Misdawati; Siswadi, Siswadi; Farah Dina, Sari
BAROMETER Vol 9 No 1 (2024): Barometer
Publisher : Fakultas Teknik, Universitas Singaperbangsa Karawang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35261/barometer.v9i1.10945

Abstract

One of the drawbacks of Crude Palm Oil (CPO) biodiesel is that it has a high pour point which causes disadvantages in its use. The objective of this research was to obtain biodiesel of low pour point by mixing CPO biodiesel with Candlenut biodiesel with various ratios among them. In this research, the effect of biodiesel composition, and the type of biodiesel in the mixture were evaluated in order to obtain the best combination of the biodiesel in the mixture. The influence of polyunsaturated such as linolenic derived from candlenut oil was also evaluated. The result of the research showed that when the amount of the Candlenut biodiesel increased in the mixture the pour point decreased. When the ratio between CPO and Candlenut biodiesel was 80:20, the product had an optimal pour point of – C. In fact, .the number of double bonds present in linolenic acid had a more significant effect on the quality of biodiesel produced than the length of the fatty acid chain.
D DESAIN PENYIMPANAN GABAH KERING PANEN DAN BERAS DENGAN BANGUNAN PASIF ENERGI : Abstrak Sumarjo, Jojo Sumarjo; siswadi, siswadi
BAROMETER Vol 9 No 2 (2024): Volume 9 Nomer 2 Tahun 2024
Publisher : Fakultas Teknik, Universitas Singaperbangsa Karawang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35261/barometer.v9i2.11233

Abstract

Passive design is a way to save energy through the passive use of solar energy, that is, without converting solar energy into electrical energy. the passive design relies more on the ability of engineers how the design of the building itself can "anticipate" external climate problems. In Indonesia as a tropical region, cooling systems and lighting systems are the largest contributors to building energy consumption, accounting for 24.7% and 16% respectively of the total building energy consumption. The purpose of this research is to do storage modeling using the passive energy method. The procedure is carried out with a combination of energy calculations around storage and CAD. CAD software is used to create 3D solid surface drawings and shapes. Then draw several options for the air openings that will be used. The results showed that based on the month of observation, the value of heat energy that occurred in the storage of dry harvested grain and rice with passive energy buildings was lower and heat energy was higher in June. Therefore, the solution for choosing the type of opening in January is required an opening percentage of 25% and for June, an opening with a percentage of 50% is required).
Co-Authors A Maddu A. Ardian A.D. Husin Abdullah Zawawi Ahmad Hidayawan, Ahmad Ahmad Syaifuddin Ahmad Syaifuddin Ainur Rofiq aji, arif wicaksono Aji, Sulistiawan Purnomo Alberta, Alberta Alparazi, Reko Anak Agung Gede Sugianthara ANNISA INTAN AYU TRISNALIVIA Aris Setiawan Ary Wijaya, Royan Miftach asrori, haris Astria Hindratmo Atmaja, Rachmayani Ayu Wira Ayu Septinawati, Sri Ayuningrum, Finda Azhar, Muhamad Malik Azis, Zainal B. Sastri Badari, Yasir Muluk Bahar Amal Baktiar, Bagus Banafsya, Novia Banafsya Baskoro, Ardika Cahyo Bayu Mahendra Aji Mustika Jati Benhar Aslam Boki, Meki Alfonsus Ferdinan Borman, Muhammad Syahrul Budiarto, Sigit Christina Sitotrus, Angelia Pratiwi Mastiurlani Chusnun Ni’am, Achmad Citra, Melia Damaryanti, Henny Demijati Demijati Desna Desna Dewi Ratna Nurhayati diah ayu Dian Purnama, Dicki Dwi Khusna E. Ridwan Erly Juliyani Ermayani, Ade Fahud Fahruddin Fajarwanto, Andi Farah Dina, Sari Fathurrizqy, Muhammad Fattah Setiawan Santoso Fauziyah, Alma Mei Febriliya, Anggun Feri Tiona Pasaribu Firmasnyah, Naufal Haasyim fitri ariyanti Fitri Wahyuningsih Fitriani, Lulus Fudoly, Dicky Thopal Gatot Setyono Ghifari, Fitrah Hilmi Gunawan, Mochamad Syahrul Guzali, Futta Ifnu H Syafutra H. Darmasetiawan H. Syafutra Hakim, Muhammad Fahmi Harahap, Yenni Novita Hardiatmi, Sri Hastian, Temmy Hendri Purnomo HERU SISWANTO Hidayah , Luthfi Hidayat, Fahri Hilman Hidayat, Ahmad Hutama, Dimas Ekaditya Imroatun Imroatun Indah, Novi Permata Irvan Irvan Irzaman, Irzaman Ishaq, Zamroni Israq Maharani Istiana, Elly Jamil, Shobrun jamshid, Ilham Maulana Jamshid Joko Santosa, Sartono Joko Santosa, Y Sartono Kahfi, Syahri Ashabul Karunia Eka Lestari Kaswari, Anggi Khairunnisa, Elvi Kharis Triyono Khoiruddin Matondang KHOLIFATUR ROSIDAH Kholili, Navik Krisnadhi Hariyanto, Krisnadhi Kusumo, Sri Herlambang Haryo L. Nady Leyn, Hermanus Bey Leyn Bey Lintang Abyudaya, Taru Lubis, Ulfa Annisa M. N. Indro M. Slamet Yahya, M. Slamet MAFTUKHATUSOLIKHAH MAFTUKHATUSOLIKHAH Maharani, Intan Putri Mahendra, Bhisma Mariana Kristiyanti, Mariana Mastiurlani Christina Sitorus, Angelia Pratiwi Meligun, Welhelmus Miftach, Royan Misdawati Misdawati Misdawati, Misdawati Mochammad Muchid, Mochammad Moh. Roqib Mokhammad Ridwan Yudhanegara Muchid, Mochamad Muh. Hanif Muhammad Masruri, Muhammad Muhammad Nasrudin Muhammad Rivai Muhammad Said Siregar Muhammad Shofwan Donny Cahyono Muharom Muharom Mulianingtias , Retno Murdiahningsih, Santi Muryanto Musbihin, Musbihin mustakim, doni N.K. Kutha Ardana Najihah, Wilda Ainun Najihah, Wilda ‘Ainun Najmudin Fauji Nanik Rodiyah Nashihin, Nashihin Navik Kholili, Navik Norman Ray, Norman Nugroho Mardi Wibowo Nugroho, Alfi Nugroho, Andianto Wahyu Nur Khamidah Nurhasanah Nurhasanah Nurul Latif, Ika Octavianto, Nanda Gerry Oktaviandy, Nadya Rachma Perdana, Mahendra Putra Pitaloka, Anggun Pramudia, Rendy Prasetyo, Yudha Mahendra Priyono Priyono Purwanto Purwanto Puteramika, Arnando Putri Perdani, Novi Putri, Iin Sutrisno R Erviansyah R. D. Puspita R. Erviansyah RAHMAD MAHENDRA SARWIJIWO Ratna Nurhayati, Dewi Regina Ayu Andini Reni Rahmadewi, Reni Rini Setiawati Risna Mira Bella Saragih Ritonga, Alven Rizma, Rahma Sivatur Robiah Adewiyah Rohmah, Salsabilatur Rohman, Ah. Taufiqur Rohman, Amin Fathul Romadhoni, Putri Amalia Rozikin, Ahamad Khaerul S. Riyadi Samuel Marpaung, Samuel Saragih, Hendrik Sartono Joko Santosa Sebayang, Aleksander selfi saputri, kristin Setyo Utomo Sigit Saputro, Avisema Simamora, Minta Ito Sirait, Resmaya Agnesia Mutiara Siti Nurjanah Sri Haryati St. Hanggar Budi Prasetya Suci, Farradina Choria Sugiarto, Amalia Rizka Sumarjo, Jojo Sumarjo Suryadi, Cahya sutanti sutanti Syahfitri Purnama Syamsul Hadi Tampubolon, Liosten Rianna Roosida Ully Tri Wahyu Widodo Triana Yuni Astuti Ujiburrahman, Ujiburrahman Utami, Diana Diah Utami, Yuni Sih Veithzal Rivai Zainal vianney, sultan Wahyu Hidayatulloh Wahyu Nugroho Waluyo, Trio Wicaksono Aji, Arif Widodo, Risriki winslet, felomina Wulandari, Yulyana Yenny AS Yumira Simamora Yustianto, Dwi Yusuf Subagyo Yuyun Widiastuti Zain, Muhammad Fuad Zaini, Ahmad Afan Zuraidah, Safrin ‘Ainun Najihah, Wilda