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All Journal Enthalpy : Jurnal Ilmiah Mahasiswa Teknik Mesin Jurnal Fokus Elektroda : Energi Listrik, Telekomunikasi, Komputer, Elektronika dan Kendali Fokus Elektroda: Energi Listrik, Telekomunikasi, Komputer, Elektronika dan Kendali) Jurnal Pengabdian Masyarakat Ilmu Terapan (JPMIT) Indonesian Journal of Community Services

Ridway Balaka, Ridway

Unknown Affiliation

Author-ID : 491400

Agriculture, Biological Sciences & Forestry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Engineering Law, Crime, Criminology & Criminal Justice Library & Information Science Mechanical Engineering Medicine & Pharmacology Social Sciences

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Studi Potensi Pembangkit Listrik Tenaga Mikro Hidro Di Desa Masolo Raya Dalam Inovasi Turbin Pelton Dengan Sumbu Horizontal Suparjo, Muhamad; Balaka, Ridway; Kadir, Kadir
Enthalpy : Jurnal Ilmiah Mahasiswa Teknik Mesin Vol 5, No 2 (2020): Enthalpy: Jurnal Ilmiah Mahasiswa Teknik Mesin
Publisher : Teknik Mesin Universitas Halu Oleo

The purpose of this research is to find out how much electricity is in the mango river in the Mosolo Raya village. The research method used is to measure the flow of water with a storage method, measurement of water flow velocity, measurement of water falls height and the manufacture of Pelton turbine blades. The results showed that the largest water discharge value was 0.018182 m3/s on the 4th measurement, and the smallest water discharge value was 0.014679 m3/s on the 8th measurement, the largest speed value was 7.333225 m/s on the 4th measurement and the smallest speed value was 5.920402 m/s on the 8th measurement, the largest power value is 1215,984 watts on the 4th measurement and the smallest power value is 981.7119 on the 8th measurement. So, it can be concluded that the potential value of the mango river with the average electric power generated during the measurement is 110,779 Watt.Keywords: Power plant, horizontal axis, pelton turbine, mini hydro power

Perancangan Alat Press Ubi Parut Tipe Tabung Dengan Sistem Hidrolik Saputra, Zemi Jaka; Balaka, Ridway; Rinova, Raden
Enthalpy : Jurnal Ilmiah Mahasiswa Teknik Mesin Vol 5, No 3 (2020): Enthalpy: Jurnal Ilmiah Mahasiswa Teknik Mesin
Publisher : Teknik Mesin Universitas Halu Oleo

Cassava as a food ingredient has various processing methods, one of which is grated and then squeezed. In the process of squeezing grated potatoes, it is still mostly done manually. This method, besides being cost-effective, does not require certain skills, but it takes quite a long time to get the desired results. So, there is a need for innovation to facilitate the process of squeezing grated potatoes. Therefore, a research was conducted on the design of a tube type grated sweet potato press with a hydraulic system. The purpose of this study was to simplify and speed up the process of squeezing grated potatoes. This research was conducted by designing using an inventor application by considering the use of materials as a press machine construction. The area of the tool frame steel profile is 30 mm x 30 mm x 4 mm, A = 2.27 cm2. The force acting on the tube when pressing the sweet potato F = 1,236,3 kgf. Tensile force on steel support Fp = 309.075 kgf. Tensile stress that occurs t = 1361.56 N/cm2. Weld area A = 180 mm2. Welded joints in the tool receive a load of P = 3090.7 N (309.07 kg.f) and the welded joint receives a shear load of = 8585 N/mm2 (or 858.5 N/cm2).Keywords: Design, press tools, hydraulics

Analisa Pengaruh Variasi Jumlah Nozzle Dengan Memanfaatkan Ketinggian Aliran Air Terhadap Daya Listrik Yang Dihasilkan Turbin Pelton Yasir, La Ode; Balaka, Ridway; Endriatno, Nanang
Enthalpy : Jurnal Ilmiah Mahasiswa Teknik Mesin Vol 7, No 3 (2022): Enthalpy: Jurnal Ilmiah Mahasiswa Teknik Mesin
Publisher : Teknik Mesin Universitas Halu Oleo

The performance of a Pelton turbine is influenced by the height, flow velocity, blade angle, number of nozzles, flow size and number of blades and nozzle spray distance. The purpose of this study was to determine the effect of variations in the number of nozzles and nozzle angles on the power produced by the PRLton turbine. The test results show that the more nozzles used, the greater the power generated and the smaller the nozzle angle, the greater the power generated. In position I using 1 nozzle, at an angle of 25o the electrical power produced is 6.16 Watt, at an angle of 30o the electric power produced is 2.65 Watt, at an angle of 45o the electrical power generated is 0.1 Watt. While in position II using 2 nozzles, , at an angle of 25o the electrical power produced is 7.56 Watts, at an angle of 30o the electrical power generated is 3.76 Watts, at an angle of 45o the electrical power generated is 0.24 Watts.Keywords: Electric power, Nozzle, Pelton turbine

Sistem Konversi Energi Panas Briket Arang Menjadi Energi Listrik Sebagai Alat Charger Baterai Menggunakan Termoelektrik Andi, La Ode; Balaka, Ridway; Mangalla, Lukas Kano
Enthalpy : Jurnal Ilmiah Mahasiswa Teknik Mesin Vol 8, No 4 (2023): Enthalpy: Jurnal Ilmiah Mahasiswa Teknik Mesin
Publisher : Teknik Mesin Universitas Halu Oleo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55679/enthalpy.v8i4.45194

Regarding the conversion system with a thermoelectric element which allows it to be used anytime and anywhere, that's why you need to position the tool correctly. With that, the research aims to find out the voltage produced and the performance of thermoelectrics as a generator of electrical energy. The method used in this research is a system for converting briquette heat energy into electrical energy. The variations in the research experiment are fan cooling 1, fan cooling 2 and water cooling. By using a charcoal briquette heater and three variations of cooling, the average voltage of cooling fan 1 0.660 V, cooling fan 2 0.769 V, water cooling 0.903 V can be produced and the average current of cooling fan 1 is 0.029 A, cooling fan 2 is 0.034 A, cooling Water 0.039 A. The characteristics of the resulting temperature difference show a significant increase along with the length of combustion time. The resulting voltage is higher if the hot combustion of the briquettes is carried out with a variation of water cooling. Keywords: Briquettes, electricity, hot side, thermoelectric, and voltage

Studi Potensi Sekam Padi Sebagai Bahan Bakar Pemakaian Rumah Tangga Sebagai Alternatif Pengganti LPG di Kabupaten Konawe Selatan M, Saiful .; Balaka, Ridway; Sudia, Budiman
Enthalpy : Jurnal Ilmiah Mahasiswa Teknik Mesin Vol 8, No 3 (2023): Enthalpy: Jurnal Ilmiah Mahasiswa Teknik Mesin
Publisher : Teknik Mesin Universitas Halu Oleo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55679/enthalpy.v8i3.42798

Energy is a fundamental need that is increasing every year. Dependence on fossil fuels, such as limited LPG and an increasingly threatened environment encourages the development of renewable energy sources. This study aims to examine the feasibility of rice husk energy potential as an alternative fuel to replace LPG in the South Konawe Regency. A survey was conducted to determine the pattern of rice husk utilization at the community level at several rice milling locations in South Konawe Regency. Data analysis was carried out using data obtained from BPS Southeast Sulawesi and BPS Konawe Selatan Publications (2018-2022). By calculating the estimated energy potential of rice husks and energy consumption of LPG use, and forecasting until 2025 using the Double Exponential Smoothing method from Holt. The results of the data analysis show that the average energy potential of rice husks (2018-2022) is 236,124.56 (GJ), and LPG energy consumption (2018-2022) is 365,625.83 (GJ). For forecasting the energy potential of rice husks in 2025 amounting to 277,863.22 (GJ), and forecasting LPG energy consumption in 2025 of 363,968.39 (GJ). In conclusion, the energy potential of rice husks can distribute around 65% of the total LPG energy needs of households in South Konawe Regency. Keywords: Biomass, renewable energy, rice husks

Simulasi Sudut Serang Aliran Air Terhadap Kincir Air Aliran Bawah Sauf, Muhamad; Balaka, Ridway; Hasanudin, La
Enthalpy : Jurnal Ilmiah Mahasiswa Teknik Mesin Vol 4, No 4 (2019): Enthalpy: Jurnal Ilmiah Mahasiswa Teknik Mesin
Publisher : Teknik Mesin Universitas Halu Oleo

Waterwheels become one of the solutions to increase the need for power supplies especially in areas that are not able to reach electrical networks that have sufficient water resources. The research aims to determine the influence of change into the dyeing of the blade and slope of the blade angle to the power and efficiency of the lower flow waterwheel. The manufactured waterwheel model is an undershot type of 16-piece blade. The outer diameter of the Ferris wheel is 0.2 m and the diameter is 0.12 m. Blade is flat in size (0, 04x0,04) m. The Ferris wheel is made up of as many as 3 pieces with a tilt difference of the blade angle of 00 from the shaft, 100 of the shaft, and 200 of the shaft. The results showed that on immersion blade 0.01 m obtained power 0.16 Watt and efficiency 12.24%, in blade dyeing 0.02 m obtained power 0.162 Watt and efficiency 12.42 %, and dyeing 0.03 m obtained power 0.176 Watt and efficiency 13.45 %. While at the slope of a blade angle is obtained by 0.16 Watt power and efficiency 12.24 %, on the slope of blade angle of 100 acquired power 0.302 Watt and efficiency 23.1 %, and at the slope of a blade angle, 200 acquired power 0.447 Watt and efficiency 34.18 %. So it can be said that the more in the immersion blade the greater the power and efficiency of the Ferris wheel, and the more oblique blade angle than the greater the power and efficiency of the windmill.Keywords: Waterwheel, blade, angle, power, and efficiency

PEMBUATAN KOMPOSIT SERAT SERABUT KELAPA DAN RESIN POLYESTER SEBAGAI MATERIAL PEREDAM AKUSTIK Suriadi, Suriadi; Balaka, Ridway; Hasanuddin, La
Enthalpy : Jurnal Ilmiah Mahasiswa Teknik Mesin Vol 3, No 1 (2018): Enthalpy: Jurnal Ilmiah Mahasiswa Teknik Mesin
Publisher : Teknik Mesin Universitas Halu Oleo

Noise pollution from noise is a classic promblem in Indonesia. This noise can be reduced by using anacoustic damper. Composite material made from coconut fiber fiber matrix is an alternative material forenvironmentally friendly acoustic damper because it utilizes agricultural waste material. This research hasmade composite based on coconut fiber fiber matrix with polyester resin. To increase the strength of coconutfiber fibers was first muffled in 2% NaOH solution for 3 hours. The composite made then tested the value ofsound absorption coefficient (????), composite damping test is done on kundst tube impedance tool equippedwith spekerr device,amplifer,power supllay,lettop,smartphone,oscilloscope,sound lever meter with inputfrequency 200,400,600 Hz. The result of Noise Absorption Coefficient (NAC) test of all polyester resincomposite test specimens in coconut fiber reinfercement have the highest absorption coefficient 0,50568 (????)at fractoin of 70:30% fiber volume with frequency of 600 Hz. While for the lowest sound absorption result0,503558 (????) with volume fraction of 70:30% fiber with frequency 200 Hz. The overall specimen can be madeas a damper because it has a sound absorption coefficient value >0.5Key word: Composite, acoustic damping, coconut fiber fibers and NAC.

Analisa Perbandingan BBM (Bahan Bakar Minyak) Dari Limbah Plastik Menggunakan Alat Pirolisis Pemanas LPG (Liquified Petroleum Gas) dan Listrik Rozikin, Miftachur; Balaka, Ridway; Hasbi, Muhammad
Enthalpy : Jurnal Ilmiah Mahasiswa Teknik Mesin Vol 5, No 3 (2020): Enthalpy: Jurnal Ilmiah Mahasiswa Teknik Mesin
Publisher : Teknik Mesin Universitas Halu Oleo

The purpose of this research is to know the comparison of fuel (oil fuel) pyrolysis results using LPG heaters (Liquid Petroleum Gas) and electricity. In this study using two pyrolysis tools, namely pyrolysis tools using gas and electrical heaters. Materials used are plastic garbage types of HDPE, LDPE and PP as much as 500 grams. The results of this study showed the value of the density of pyrolysis tools using gas heaters of 790.6 Kg/m³ for HDPE plastic, 722.0 Kg/m³ for LDPE Plastics and 738.7 Kg/m³ for PP Plastics. As for the viscosity value of 0.7853 m²/s for HDPE plastic, 0.6771 m²/s for LDPE Plastics and 0.6159 m²/s for PP Plastics. For the value of density by using the electrical pyrolysis tools are 771.4 Kg/m³ for HDPE plastic, 743.1 Kg/m³ for LDPE Plastics and 768.3 Kg/m³ for PP Plastics. While the viscosity value is obtained at 0.7198 m²/s for HDPE plastic, 0.7613 m²/s for LDPE and 0.7054 m²/s for PP plastic. Keywords: Pyrolysis, comparison of pyrolysis tools, plastics

Pengaruh Komposisi Perekat Terhadap Karakteristik Termal Briket Arang Kulit Biji Buah Jarak Lafose, Maliadin; Balaka, Ridway; Kadir, Kadir
Enthalpy : Jurnal Ilmiah Mahasiswa Teknik Mesin Vol 5, No 1 (2020): Enthalpy: Jurnal Ilmiah Mahasiswa Teknik Mesin
Publisher : Teknik Mesin Universitas Halu Oleo

The fruit grain Bark range is one potential alternative fuel to make briquettes. This research was conducted to know the proximate analysis and the rate ofcombustion of biocharcoal briquettes produced from the bark of the distance.Charcoal fruit beans that have been carbonized distances are further filtered using a sieve of 40 mesh with variations of kanji adhesive Composition 90%: 10%, 80%: 20% and 70%: 30%. Then both materials are mixed and printed into briquette then tested to know the heat value, moisture content, ash content, the content of flying substances, carbon levels and the rate of combustion. Based on the results of analysis obtained from this research if it is reviewed from the proximate analysis is the best fruit seed leather briquette is shown by charcoal briquettes of fruit beans distance and adhesive kanji with composition 90%: 10%, Heat value 6830 cal/GR, water content 8.82%, ash content 4.88%, flying substance content of 13.16% and fixed carbon levels 73.14%. The results of this study showed the difference treatment of composition of the leather charcoal briquette fruit range and adhesive kanji can give effect to the value of heat, moisture content, ash content.The content of flying substances, and fixed carbon levels.Keywords: Fuel, charcoal briquette, adhesive material, leather fruit grain spacing.

Rancang Bangun Blade Turbin Angin Jenis Taper Untuk Pembangkit Listrik Tenaga Bayu Berskala Mikro Kusmayanto, La Ode Andi; Balaka, Ridway; Imran, Al Ichlas
Enthalpy : Jurnal Ilmiah Mahasiswa Teknik Mesin Vol 6, No 3 (2021): Enthalpy: Jurnal Ilmiah Mahasiswa Teknik Mesin
Publisher : Teknik Mesin Universitas Halu Oleo

The ultization of renewable energy in Indonesian kept on doing as the increase of amount in energy electricity demand as well as environmentally friendly energy requerements, efficient and sustainable. This study aims to learn about the blade’s geometric shapes designed and crafted, as well as the blade’s performance. The study has bee succesfully designed and crafted as soon as tested by the blade’s for a low-scale wind turbine. The design blade’s geometry is a type of taper, is the Horizontal of Axis Wind Turbine type with airfoil NACA 6412. The blade was design with Qblade software and built with a manual engine. The method of data collection was the blade installed on the tower at 30 meters for three days. The energy generated on a daily basis that is the first day, the energy average production is 45,80 watts with an average wind speed of 4,54 m/s, the second day of 55,11 watts with and average wind speed of 5,23 m/s, and the third day of 72,27 watts with an average wind speed 5,14 m/s.Keywords:Airfoil, blade, energy, wind turbine

Co-Authors Abd Kadir, Abd Abd. Kadir Abdul Kadir Adnal, Adnal Aksar, Prinob Aminur Aminur Aminur Andi, La Ode Budiman Sudia, Budiman DWI SURYANTO Edriyanto, Edriyanto Hasanuddin, La Hasanudin, La Imran, Al Ichlas Kadir Kadir Kusmayanto, La Ode Andi La Hasanudin Lafose, Maliadin Lolok, Agustinus Lukas Kano Mangalla, Lukas Kano M, Saiful . Mahrun Mahrun, Mahrun Mangala, Lukas Kano MUHAMMAD HASBI Nanang Endriatno Prananda, Fijay Raden Rinova Sisworo Rozikin, Miftachur Saefuddin, Laode Salimin Salimin, Salimin Samhuddin Samhuddin Samhuddin, Samhuddin Saputra T., Dedi Saputra, Zemi Jaka Sauf, Muhamad Sisa, Arsin Sudarsono Suparjo, Muhamad Suriadi Suriadi Usman, La Ode Yasir, La Ode Yurnidarsyah, Citra

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