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All Journal DINAMIKA Jurnal Ilmiah Teknik Mesin Enthalpy : Jurnal Ilmiah Mahasiswa Teknik Mesin
Budiman Sudia
Teknik Mesin Universitas Halu Oleo
Energy Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering

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POTENSI TEMPURUNG KELAPA SEBAGAI SUMBER ENERGI TERBARUKAN DI KABUPATEN BOMBANA PROVINSI SULAWESI TENGGARA Budiman Sudia; Samhuddin Samhuddin
Dinamika : Jurnal Ilmiah Teknik Mesin Vol 13, No 1 (2021): Jurnal Dinamika Teknik Mesin
Publisher : Jurusan Teknik Mesin, Universitas Halu Oleo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33772/djitm.v13i1.22043

Abstract

Tempurung kelapa merupakan salah satu jenis biomassa  yang merupakan limbah pertanian yang memiliki potensi untuk dikembangkan sebagai sumber energi terbarukan di Indonesia. Kabupaten Bombana merupakan daerah penghasil kelapa terbesar di Provinsi Sulawesi Tenggara. Umumnya petan ikelapa di Kabupaten Bombana menjual hasil perkebunan mereka dalam bentuk produk olahan berupa kopra dimana proses pengolahannya menyisakan limbah berupa sabut dan tempurung dalam jumlah yang sangat besar. Kajian ini bertujuan untuk menghitung potensi tempurung kelapa sebagai sumber energy terbarukan di Kabupaten Bombana. Pada Penelitian ini digunakan data produksi kelapa dari tahun 2014 – 2019. Berdasarkan data produksi dilakukan perhitungan perkiraan produksi tempurung kelapa serta perhitungan potensi energi yang dihasilkan. Hasil perhitungan menunjukkan bahwa potensi energy maksimum diperoleh tahun 2014 mencapai 31.000 GJ dan minimum pada tahun 2016  sebesar16.000 GJ.
Analisis Beban Kalor Pada Ruang Laboratorium Desain Dan Konstruksi Jurusan Teknik Mesin Fakultas Teknik Universitas Halu Oleo Arsin Sisa; Ridway Balaka; Budiman Sudia
Enthalpy : Jurnal Ilmiah Mahasiswa Teknik Mesin Vol 8, No 1 (2023): Enthalpy: Jurnal Ilmiah Mahasiswa Teknik Mesin
Publisher : Teknik Mesin Universitas Halu Oleo

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Abstract

Air refresher is a process of cooling the air so that it can reach the appropriate temperature and humidity required for the air condition of a certain room. The purpose of this study is to calculate the heat load in the design and construction laboratory of the mechanical engineering department, Faculty of Engineering, Halu Oleo University. The method used in this study is an analytical method by calculating the cooling load on each predetermined parameter, namely on walls, roofs, windows, doors, as well as lighting, electronic equipment and occupants. This calculation is carried out every hour from 08.00 to 17.00 local time. The results showed that the cooling load increased significantly from 08.00 until the peak occurred at 13.00 to 14.00, then the cooling load began to decrease significantly at 15.00 to 17.00. The high cooling load that occurs at 13.00 and 14.00 is thought to be due to the sun's rays coming at a vertical angle so that the heat received is greater than in the afternoon or evening where the angle of incidence of the sun's rays is tilted.Keywords: Air refresh, Cooling load
Analisa Prestasi Pompa Hidram Dengan Variasi Katub Beban Dan Kondisi Inlet Sigit Santoso; Budiman Sudia; La Ode Ahmad Barata
Enthalpy : Jurnal Ilmiah Mahasiswa Teknik Mesin Vol 8, No 1 (2023): Enthalpy: Jurnal Ilmiah Mahasiswa Teknik Mesin
Publisher : Teknik Mesin Universitas Halu Oleo

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Abstract

Water transfer in inland areas is still done manually, so we need a water pump with efficiency, technology, economy without the use of electricity and fuel, namely a hydram pump. A hydram pump is a water pump that relies on the momentum of water to raise water. The purpose of this study was to determine the effect of inlet pipe size on pump efficiency, outlet pipe flow rate and the effect of pipe joints on major and minor losses. This research was made with a water source height of 1 m, varying inlet pipes measuring ¾ inch, 1 inch, and 1,5 inch with a length of 5 m, a hydram pump body with a diameter of 1 inch, an air tube with a diameter of 3 inch with a length of 40 cm and an outlet pipe measuring ½ inch. The largest hydram pump efficiency is found in the ¾ inch inlet pipe with 1.94% with an outlet pipe flow rate of 1.79 l/min and the lowest efficiency is in a 1 inch inlet pipe with 1.49% with an outlet pipe flow rate is 1.55 l/min while the major value and the biggest loss value are in the ¾ inch inlet pipe with values of 0.00754 m and 0.678 m and the lowest values are in the 1.5 inch inlet pipe with values of 0.000410 m and 0.019 m so that it can be concluded that the cross-sectional area and the number of connections in the hydram pump installation are very influential on the value of major and minor losses.Keywords: Diameter, Waste Valve, Pipe, Pump
Co-Authors Arsin Sisa La Ode Ahmad Barata Ridway Balaka Samhuddin Samhuddin Sigit Santoso