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Journal : Jurnal Teknologi Terapan

PENGARUH DYMETIL ESTER PADA BIOSOLAR TERHADAP UNJUK KERJA MOTOR DIESEL SATU SILINDER PADA SUHU PEMANASAN BAHAN BAKAR 95 oC Rohmat, Yusup Nur; Kusnandar, Kusnandar; Saputro, Rizki Adila
Jurnal Teknologi Terapan Vol 4, No 1 (2018): Jurnal Teknologi Terapan
Publisher : P3M Politeknik Negeri Indramayu

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (732.788 KB) | DOI: 10.31884/jtt.v4i1.94

Abstract

The depletion of petroleum reserves makes the emergence of a variety of alternative energy, one of which is Biodiesel. Biodiesel is a fatty acid ester derived from vegetable oil or animal by transesterification or esterification reaction. The purpose of this study was conducted to determine the effect of the use of fuel mixture of biodiesel jelantah with heating 950C to power, torque and Sfc. The test is done by loading the lamp load from 200 - 3200 watt on variation of biodiesel fuel volume by 30%, 40% and 50%. The research method used is descriptive analysis where the result of research is described and described based on research result. From the test results resulted in the addition of biodiesel jelantah fuel effect on power, torque and Sfc generated diesel motor.
ANALISA PERFORMANSI HEAT PUMP MENGGUNAKAN COUNTER FLOW HEAT EXCHANGERS Kusnandar, Kusnandar; Kusnandar, Kusnandar
Jurnal Teknologi Terapan Vol 2, No 2 (2016): Jurnal Teknologi Terapan
Publisher : P3M Politeknik Negeri Indramayu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31884/jtt.v2i2.16

Abstract

Heat pump is a device that can be make heat and cool , which is functions as a cooling evaporator can be replaced to be a heating condenser. With adding a heat exchanger in the heat pump can provide better effect of heating and cooling. In this experiment, the heat pump using type hydrocarbon refrigerantand type friendly refrigerant to the environment, one of refrigerant isR-290. From the results that obtained value Coefficient Of Performance (COP) in the heat pump that uses a counter flow heat exchanger is 4.8 while the heat pump that does not use a counterflow heat exchanger obtained COP of 4.1. Efficiencies increase in the heat pump without using counter flow heat exchanger is 74%, otherwise the efficiency decrease of the heat pump using heat pump is 85%.
ANALISA PERFORMANSI HEAT PUMP MENGGUNAKAN COUNTER FLOW HEAT EXCHANGERS Kusnandar, Kusnandar; Kusnandar, Kusnandar
Jurnal Teknologi Terapan Vol 2, No 2 (2016): Jurnal Teknologi Terapan
Publisher : P3M Politeknik Negeri Indramayu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31884/jtt.v2i2.16

Abstract

Heat pump is a device that can be make heat and cool , which is functions as a cooling evaporator can be replaced to be a heating condenser. With adding a heat exchanger in the heat pump can provide better effect of heating and cooling. In this experiment, the heat pump using type hydrocarbon refrigerantand type friendly refrigerant to the environment, one of refrigerant isR-290. From the results that obtained value Coefficient Of Performance (COP) in the heat pump that uses a counter flow heat exchanger is 4.8 while the heat pump that does not use a counterflow heat exchanger obtained COP of 4.1. Efficiencies increase in the heat pump without using counter flow heat exchanger is 74%, otherwise the efficiency decrease of the heat pump using heat pump is 85%.
TEST CHARACTERISTICS OF CENTRIFUGAL PUMPS ON COOLING HYDRONIC SYSTEM USING ENVIRONMENTAL FRIENDLY REFRIGERATION Kurniawan, Yudhy; Kusnandar, Kusnandar
Jurnal Teknologi Terapan Vol 4, No 1 (2018): Jurnal Teknologi Terapan
Publisher : P3M Politeknik Negeri Indramayu

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1188.767 KB) | DOI: 10.31884/jtt.v4i1.93

Abstract

In generally cooling hydronic system applied to large-scale commercial or industrial use, where water cooling is processed through heat transfer mechanism in the evaporator pipe using a vapour compression system such as a chiller with refrigerant. The research idea is based on not available practice test of cooling hydronic system at the Department of Refrigeration and Air Conditioning Engineering at State Polytechnic of Indramayu which is the main competency in the course of Air Conditioning Applied. As teh utilization practice made cooling hydronic system by utilizing a vapour compression system that is split AC using refrijeran R32 is environmentally friendly. The split AC system modifies its evaporator coil into a heat exchange medium to cool water in the water tank. The cold water is then distributed in the piping installation system with the two pumps that are varied in series and parallel. From this process, it is necessary to know the working capability of the pumps in terms of its characteristics (head and capacity) or its performance, including energy losses and cooling capacity system. The results obtained are analyzed and the calculation is in accordance with theoretically known study.
Co-Authors A, Candra A. Haris Budi Widodo A., Amelia Adi, R. Kunto Agung Wibowo Agus Rusmana ahmad daelami Aisyahrizka, Nadifa Ajeng Dian Purnamasari Alamsyah, Novana Noer Amin Suyitno Anik Lestari Anindya Yoga H, Anindya Arrosyid, M. Jailani Asep Najmurrokhman AW., Sawung Basuki, Sofyan Bhisma Murti Budi, Didik Rilastiyo Budiyanti Wiboworini Candrawati Suci, Candrawati Daelami, Achmad Damaris, Betarum Deddi Haryono, Deddi Desi Desi, Desi Dharmi, Ni Ketut Hariyawati Dian Ratna R, Dian Diffah Hanim Dini Oktaviyanti Diniyati, Hilda dwi ayu lestari, dwi ayu Dwiningtyas Padmaningrum, Dwiningtyas Dyah Umiyarni Purnamasari Edwin Rizal Endang Siti Rahayu Endo Dardjito Erlyna Wida Riptanti Estrella, Erwin O. Evi Nursanti Rukmana, Evi Nursanti Fahrul Agus Fajrin, Laode Nuzul Fakhri, Zul Febriani, Ayu Rizky Festiawan, Rifqi G, Fayza Gumilang, Diyana Habib, M Hanifah Ihsaniyati Haris, Dendi Harisudin, Mohamad Hariyani, Indah Hasnah, Hanan Nur Haz, Fauziah Henie Kurniawati, Henie Heru Irianto Heru Kurniawan Alamsyah Hidayat, Rohman Amalia Hotimah, Ananda Husnul Huwaida, Dhea Zahra Ibrahim, Aziz Maulana Indra Jati Kusuma Indriyanti, Ima Yunita Ishelina Rosaira Poerbosisworo Isti Khomah Iwan junaedi Khan, Mohammad Ashraf Kotrunnada, Dani Zulfa Kristisanthy, Akwilina Dwi Kuntari Astriana, Kuntari Kurniawan A, Heru Kurniawan, Fika Lastya, Saeldho We Lintang, Aulia Listiandi, Arfin Deri Listyanto, Ilham Bayu Anggita M, Giovania Mahardika, Nurul Malihah, Malihah Mei Tri Sundari Muhamad Azhari Nashira, Illiyin Tri Ninis Agustini Damayani Noor Zuhry, Noor Novita Nining Widyaningsih Nuning Kurniasih nuning setyowati Nur Hafidha Hikmayani Nur Muttaqien Zuhri Nur Rohmat, Yusup Nur Ulfah NURUL AZIZAH Pangestu, Indra Tri Panggabean, Lailan Saumi Panjaitan, Winda Sauci Panuwun Joko Nurcahyo Pawit M Yusup Permana, Ade Sena Pratika, Dwi Ajeng Putra Perkasa, Varrel Brilian Putri, Dyah Sancaya Qadrijati, Isna Qonita, Rr. Aulia Radot Manalu Rahma, Silkvi Kheir Ramadiani - Rhina Uchyani Fajarningsih Rindha Widyaningsih Rukmana , Evi Nursanti Rully Khairul Anwar S., Wardana Safitri, Arroyya Nur Samson CMS Santoso, Bima jati Sapja Anantanyu, Sapja Saputra, Dede Irawan Saputra, M. Ferry Saputro, Rizki Adila Selfi Handayani Setyowati Setyowati Shofiyyah, Yasyfi Siti Nur Septiani, Siti Nur Sri Mulyani Sudikno Sudikno Sukaesih Sukaesih, Sukaesih Sukamto, Ika Sumiyarsi Suratna, Suratna Susi Watina Simanjuntak Sutono Hs, Dian Syaihuputera, Adam Bayu Tomy Perdana Trina Fizzanty Trisna Gumilar Ulfa, Ummu Amalia Ute Lies Siti Khadijah Vanamamalai, Ratnamala W, Ratna Wati Hermawati Watina S, Susi Wera, Agung Ferdinand Wina Erwina Wiwit Rahayu Yudhy Kurniawan, Yudhy yulia lanti retno dewi Yunus Winoto Zaenal, Yuda Bakti Zainal, Yuda Bakti Zulfi, Jivana