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Journal : ROTOR: JURNAL ILMIAH TEKNIK MESIN

PENGARUH BENTUK PENGARAH ANGIN (DEFLECTOR) TERHADAP KARAKTERISTIK AERODINAMIS KENDARAAN NIAGA (TRUCK) Wahyudi, Wahyudi; Rubiono, Gatut; Mujianto, Haris
ROTOR Vol 7, No 1 (2014)
Publisher : ROTOR

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (240.462 KB)

Abstract

Aerodynamic is a branch of science which study the effect of wind to an object. Transport vehicle (truck) is one of the object in this field. A deflector is use to direct the wind for aerodynamics aspect. The research is conduct in a small scale wind tunnel with 40 cm x 40 cm cross section and 300 cm length. A truck model is varied without deflector, flat deflector, convex deflector and concave delector. The wind speed is varied at 1,9; 2,31 and 3,23 m/s by a fan. U type manometers with 30o inclination are used to measure height difference (Dh) of the water column at 3 pointsabove the deflector. The data are used to count the wind pressure and the wind speed.Aerodynamic performance is described as a capability to maintain the wind speed at measurement points.The research result shows that the deflector has effect due to aerodynamics characteristic of truck model. Convex deflector has the best performance. Flat and concave deflectors are next.   Keywords: aerodynamics, truck, deflector
PENGARUH PENAMPANG LINTANG PIPA PEMANASAN BAHAN BAKAR DENGAN MEDIA RADIATOR TERHADAP UNJUK KERJA MESINTOYOTA KIJANG 5K Suwondo, Joko; Bunawi, Bunawi; Rubiono, Gatut
ROTOR Vol 7, No 2 (2014)
Publisher : ROTOR

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Abstract

Fuel temperature has effect due to engine performance. This research is aimed to get the effect of cross section heating area with radiator heat due to performance of gasoline engine. The experiments are conduct in Toyota Kijang 5K gasoline engine. The radiator heat is use to raise the fuel temperature by 8 mm diameter copper pipe. The pipe is varied as round, oval and nearly flat. Fuel flow channel is place in the heat pipe with 900 mm of length which placed at upper tank of the radiator.  The engine rotation speed is varied as 750, 1250, 1750 and 2250 rpm. Unheated fuel is use as a control. The research result shows the agreement that fuel temperature has effect due to fuel consumption. The result also shows that oval pipe has the lowest fuel consumption.   Keywords: fuel temperature, copper pipe, fuel consumption, radiator’s upper tank
STUDI PERBANDINGAN REGULATOR KONVENSIONALDUA RELAY DAN REGULATOR ELEKTRONIKBERBASIS MIKROKONTROLERAVR ATMEGA8 Wijayanti, Erma; Rubiono, Gatut; Mujianto, Haris
ROTOR Vol 8, No 1 (2015)
Publisher : ROTOR

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Abstract

Automotive charging system provide vehicle’s electricity consumption and battery charging. Common regulator has unstable voltage output. This research is aimed to compare the performance of common and electronic regulator. Electronic regulator designed with an AVR ATMega8 microcontroller and 16 x 2 matrix LCD. The devices are tested in the charging system of Toyota Kijang 5K automotive engine by measuring alternator voltage output using voltmeter. The engine is running at 1000, 1500, 2000, 2500 and 3000 rpm. The measurements are taken three times for 300 seconds with 30 second interval. The result shows that the average voltage output of electronic regulator increase faster at 0 until 30 second measurement period. The result also shows that electronic regulator has more stable voltage output which is 14,45 Volt. The overall comparison study shows that electronic regulator has better performance than common regulator.
PENGARUH PENGARUH BENTUK DAN KONFIGURASI ALUR SEKAT TERHADAP UNJUK KERJA MENARA PENDINGIN (COOLING TOWER) Hamid Abdul; Karim Lailul; Jamroni Mohammad; Qiram Ikhwanul; Gatut Rubiono Rubiono
ROTOR Vol 10 No 2 (2017)
Publisher : Jurusan Teknik Mesin Fakultas Teknik Universitas Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (233.694 KB) | DOI: 10.19184/rotor.v10i2.5291

Abstract

The cooling tower is mechanical equipment which used to decrease hot waste water. One of the factors that influence the performance is the filling components. This research is aimed to get the effect of buffle’s shape and configuration due to cooling tower performance. The cooling tower performance is described with range, heat transfer rate, and efficiency. The research is done by an experiment using laboratory scale cooling tower. The shape is varied as circle and triangle with 2-3 and 3-2 in a row configuration. The water flow rate is adjusted with 3 valve opening. Water temperature inlet is varied as 50, 60 and 70oC. The measurements are taken for inlet and outlet water and air temperature for 3 times measurements using K-type thermocouples. The result shows that buffle’s shape and configuration have an effect due to cooling tower performance. Keywords: cooling tower, performance, buffle’s shape, configuration
PENGARUH PENAMPANG LINTANG PIPA PEMANASAN BAHAN BAKAR DENGAN MEDIA RADIATOR TERHADAP UNJUK KERJA MESINTOYOTA KIJANG 5K Joko Suwondo; Bunawi Bunawi; Gatut Rubiono
ROTOR Vol 7 No 2 (2014)
Publisher : Jurusan Teknik Mesin Fakultas Teknik Universitas Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (363.788 KB)

Abstract

Fuel temperature has effect due to engine performance. This research is aimed to get the effect of cross section heating area with radiator heat due to performance of gasoline engine. The experiments are conduct in Toyota Kijang 5K gasoline engine. The radiator heat is use to raise the fuel temperature by 8 mm diameter copper pipe. The pipe is varied as round, oval and nearly flat. Fuel flow channel is place in the heat pipe with 900 mm of length which placed at upper tank of the radiator.  The engine rotation speed is varied as 750, 1250, 1750 and 2250 rpm. Unheated fuel is use as a control. The research result shows the agreement that fuel temperature has effect due to fuel consumption. The result also shows that oval pipe has the lowest fuel consumption.   Keywords: fuel temperature, copper pipe, fuel consumption, radiator’s upper tank
PENGARUH BENTUK PENGARAH ANGIN (DEFLECTOR) TERHADAP KARAKTERISTIK AERODINAMIS KENDARAAN NIAGA (TRUCK) Wahyudi Wahyudi; Gatut Rubiono; Haris Mujianto
ROTOR Vol 7 No 1 (2014)
Publisher : Jurusan Teknik Mesin Fakultas Teknik Universitas Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (240.462 KB)

Abstract

Aerodynamic is a branch of science which study the effect of wind to an object. Transport vehicle (truck) is one of the object in this field. A deflector is use to direct the wind for aerodynamics aspect. The research is conduct in a small scale wind tunnel with 40 cm x 40 cm cross section and 300 cm length. A truck model is varied without deflector, flat deflector, convex deflector and concave delector. The wind speed is varied at 1,9; 2,31 and 3,23 m/s by a fan. U type manometers with 30o inclination are used to measure height difference (Dh) of the water column at 3 pointsabove the deflector. The data are used to count the wind pressure and the wind speed.Aerodynamic performance is described as a capability to maintain the wind speed at measurement points.The research result shows that the deflector has effect due to aerodynamics characteristic of truck model. Convex deflector has the best performance. Flat and concave deflectors are next.   Keywords: aerodynamics, truck, deflector
Co-Authors Aan Mutowib Achmad Noerdien Adi Mulyadi Adi Pratama Putra Ainoer Roffiq Alfiana Ali, Haidir Anas Muhktar Anas Mukhtar ary p, bima kusuma Ary Prastianto, Bima Kusuma Arya T Candra Aufa, Ahmad Bayu Septa Martaviano Triaiditya Beni Anwarudin Buhani - Bunawi Bunawi Bunawi Bunawi, Bunawi Cahyono, Andre Irawan Cecep Kusmana Danang Ari Santoso Dani, Ardi Permata Debby Efriyasika Deni Kurniawan Efendi DEWI SARTIKA Edi Irwanto Edi Irwanto, Edi Edvin Cahyono Edvin Cahyono Elfrida Ratnawati Erma Wijayanti, Erma Farhanto, Galih Farid Hidayatulloh Gatot Soebiyakto Gatot Soebiyakto Gatot Soebiyakto Genny Luhung Prasojo Hadi Prayitno Hamid Abdul Haris Mujianto Hariyono Hariyono Haryono, Achmad Heri Sudarmaji Hindro Prasetyo, Bayu Holik, Hasan Huda, Soffanul HUSNUL KHOTIMAH Ida Ayu Putu Sri Widnyani Ida Made Dwipayana Ikhwanul Qiram Irawan, Sandi Jamroni Mohammad Joko Susilo Joko Suwondo Joko Suwondo, Joko Karim Lailul Kevin Kevin Khoirul Anam Kristanto, Yunus Lestari, Endhah Tri Maemonah, Maemonah martaviano, bayu septa Megandhi Gusti Wardhana Muhammad Andrean Bintara Adyanto Muhammad Firmansyah Muhammad Ikhwan Mujiono Nasrullah, Muhammad Nur Cahyo Hidayat Neni Nur Indah Sari Nurida Finahari Prasetyo, Janu Putra, Adi Pratama Putri Rukmana Dewi Ratna Mustika Yasi Ratna Yasi Rezki Nalandari Rifki Arif Roy Sardian Sandi, Marki Satyani, Ida Ayu Wayan Arya Setiabudi, Moh. Agung Setyaningsih, Puji Sudibya, I Gusti Ngurah Sulung, Sabam Danny Sumarjianto Supiyanto Supiyanto, Supiyanto Surya Darmawan Hendra Susanto, Agustinus Sutarjo, Sandika Ariawan Syaifudin, Mohamad Syamsul Bahri Toni Dwi Putra Toni Haikal Saputra Ulum, Muhammad Miftachul Untung Suryadhianto Viqi Verdika Wahyudi Wahyudi Wahyudi Wahyudi Wawan Setiawan Wicaksono, Heru Yundari, Yundari