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All Journal DINAMIKA Jurnal Ilmiah Teknik Mesin Enthalpy : Jurnal Ilmiah Mahasiswa Teknik Mesin Jurnal Rekayasa Mesin Jurnal Fokus Elektroda : Energi Listrik, Telekomunikasi, Komputer, Elektronika dan Kendali Fokus Elektroda: Energi Listrik, Telekomunikasi, Komputer, Elektronika dan Kendali) Mechanical Engineering for Society and Industry Advance Sustainable Science, Engineering and Technology (ASSET)

Imran, Al Ichlas

Unknown Affiliation

Author-ID : 1188764

Aerospace Engineering Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Transportation

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Perencanaan Alat Uji Impact Type Charpy Kapasitas 10 Joule Saktiawan, Saktiawan; Endriatno, Nanang; Imran, Al Ichlas
Enthalpy : Jurnal Ilmiah Mahasiswa Teknik Mesin Vol 5, No 4 (2020): Enthalpy: Jurnal Ilmiah Mahasiswa Teknik Mesin
Publisher : Teknik Mesin Universitas Halu Oleo

In the implementation of construction and material engineering, the choice of materials for metal material needs is very important. The research objectives were planning the pendulum, swing shaft, the frame for the Charpy type impact test, and planning the test specimen holder. The research method includes planning the pendulum, shaft, arm, bearing, pole frame and specimen holder (anvil), as well as selecting materials and calculating the strength of the materials. The results of the research. The impact test tool uses a pendulum made of steel ST 37 with a pendulum length = 0.345 mm, volume = 213 mm3, mass = 1.67 kg, in the planning of the shaft, with the results of the planning calculation obtained the diameter of the shaft = 25.4 mm, while the moment torque obtained = 577,219 kg mm, in the planning of the Charpy type impact test, the frame uses C-profile steel with a size of 125 x 65, the material is chosen because its width exceeds the bearing holder, for tangsial force = 28,951 N, bending moment = 5240.1 N mm , cross-sectional modulus = 109.169 mm3, the specimen holder planning must exceed the specimen width itself so that the specimen can be placed properly, the allowance = 1.206 mm2 and the planning of the impak test tool for the 10 J tool can be used to test plastic materials with an impact energy below 10 J, with a height of 610 ± 2 mm. Keywords: Construction, Materials Engineering, Metal Materials, Iron, Steel, Impak.

Pengaruh Kompaksi Terhadap Karakteristik Briket Kulit Buah Kakao dan Kulit Biji Jambu Mete Harlan, Harlan; Kadir, Abd .; Imran, Al Ichlas
Enthalpy : Jurnal Ilmiah Mahasiswa Teknik Mesin Vol 5, No 1 (2020): Enthalpy: Jurnal Ilmiah Mahasiswa Teknik Mesin
Publisher : Teknik Mesin Universitas Halu Oleo

With the increasing population, the need for fuel also increases so that otheralternative sources are needed. One of the renewable energy that needs attention to be developed is agricultural waste such as rice husks, coconut shells, cashew skins, sago fronds, cocoa shells, and other agricultural or plantation waste. This study aims to determine the characteristics of the cocoa pod briquettes and cashew nut shells. The method used in this research is to use variations in pressure at the time of printing, the pressure used is 50 kg/cm2, 100 kg/cm2 and 150 kg/cm2. The characteristics of the briquettes tested were density, moisture content, ash content, heating value and rate of combustion. The results showed that the highest density was 0.91 kg/cm3 with a pressure of 150 kg/cm2 , the highest water content value was 13.84 % with a pressure of 50 kg/cm2 , the highest ash content was 5.16 % at a pressure of 150 kg/cm2, the value of The highest heat is 6024.33 Cal/g with a pressure of 150 kg/cm2, and the longest burning rate is 44 minutes with a pressure of 150 kg/cm2. So it can be concluded that the higher the compacting pressure during printing, the higher the value of density, ash content, heating value, combustion rate and moisture content value are getting better.Keywords: Briquettes, compaction, cocoa skin, cashew seed skin

Studi Sifat Mekanis Biokomposit Serat Ijuk dan Serat Sabut Kelapa Untuk Aplikasi Helm Kendaraan Roda Dua Muradin, Muradin; Hasbi, Muhammad; Imran, Al Ichlas
Enthalpy : Jurnal Ilmiah Mahasiswa Teknik Mesin Vol 4, No 2 (2019): Enthalpy: Jurnal Ilmiah Mahasiswa Teknik Mesin
Publisher : Teknik Mesin Universitas Halu Oleo

Motorcycles are a popular means of transportation in most countries in Asia and developing countries including Indonesia. In the event that riding a motorcycle, the user must use a helmet to keep his head from collisions when accidents occur. The research aims to utilize palm fiber and fiber biocomposites as raw material for two-wheeled vehicle helmets. The composition of the fiber volume fraction is 40:60%, 50:50%, 60:40%, polyester resin matrix, and catalyst. The mixture is printed in the form of a biographic panel and formed an impact test specimen and hardness test. The results obtained that the highest impact strength value of 0.013 J/mm2 and the highest hardness value of 21.367 kg/mm2 in the fiber composition of 60:40%. The value of the lowest impact strength is 0.005 J/mm2, and the lowest hardness value is 16.523 kg/mm2 on the fiber composition 40:60%. Keywords: biocomposite, palm fiber, coir, polyester, hardness, and impact

UNJUK KERJA MESIN PENCACAH SAMPAH Juardin, Juardin; Sudia, Budiman; Imran, Al Ichlas
Enthalpy : Jurnal Ilmiah Mahasiswa Teknik Mesin Vol 2, No 4 (2017): Enthalpy: Jurnal Ilmiah Mahasiswa Teknik Mesin
Publisher : Teknik Mesin Universitas Halu Oleo

The aim of this research is to know the difference of time and of the result of plastic waste enumeration on blade before and after modification to material weight of 250gr, 500gr, and 750gr. This study compared the length of time and of the enumeration results on the blades before they were modified and after modified. Variations in waste weight were 250gr, 500gr, and 750gr. The results showed that the percentage comparison of the length of the process of enumerating plastic waste before modification with the weight of 250gr resulted in enumeration time for 35 seconds, so that the effective capacity of the tool was 25.71 kg / hour. For weight of garbage equal to 500gr produce enumeration time for 126 second, with tool capacity 14,28 kg/hour. While the weight of garbage 750gr produce enumeration time for 192 seconds, with the effective capacity of the tool of 14.06 kg/hour. For the conditions after modification of the blades, the weight of the waste of 250gr resulted in an enumeration time of 80 seconds, in which the effective capacity of the apparatus was 11.25 kg/hr. For the weight of garbage of 500gr was resulted enumeration time for 255 seconds, where the effective capacity of the tool obtained was 7.05 kg/hour. While the weight of 750gr garbage generates the enumeration time for 401 seconds, where the effective capacity of the tool obtained of 6.73 kg/hour. The quality of enumeration of plastic waste on the blades before the modification was still not chopped properly, while the results of plastic waste debris on the blades after modified has been chopped well but the results were not irregular. Keywords: Plastic waste, chopping machine, enumeration time, size of enumeration result.

Analisa Produksi Bio-Etanol Dari Kulit Singkong Dengan Proses Thermal Sabilah, Laode Muhamad Zakirus; Mangalla, Lukas Kano; Imran, Al Ichlas
Enthalpy : Jurnal Ilmiah Mahasiswa Teknik Mesin Vol 5, No 3 (2020): Enthalpy: Jurnal Ilmiah Mahasiswa Teknik Mesin
Publisher : Teknik Mesin Universitas Halu Oleo

Cassava skin is a waste of high-carbohydrate cassava that can be treated asa an alternative fuel source. As for the purpose of this study, it is to know how to produce bioethanol from cassava skin and how much ethanol is produced in the fermentation destilation procwss. Bioethanol research from the cassava skin is made by means of a fermentation process using a 9 and 12 day fariation with a 20,4 and 60 gram supplement of a mixture (leaven/yeast) of a 20,4 and 60 gram that is cut off by sample destilting devices. Research shows that the longer the fermentation from a mixture of refined caskbark and yeasts does not significantly affect the ethanol produced, since ethanol results from each fariation is 10%. Key words: Cassava suede, fermentation, bioethanol, renewable energy

Perancangan Mesin Perajang Singkong Mustamin, Mustamin; Hasbi, Muhammad; Imran, Al Ichlas
Enthalpy : Jurnal Ilmiah Mahasiswa Teknik Mesin Vol 4, No 1 (2019): Enthalpy-Jurnal Ilmiah Mahasiswa Teknik Mesin
Publisher : Teknik Mesin Universitas Halu Oleo

The purpose of the study was to determine the shaft design, knowing the pulleys and belts to be used and to determine the design of the blade of the cassava chopper machine. The procedure in the design of cassava chopper by using autocad is to prepare the tools and materials to be used; Power planning by calculating the total moment of inertia, calculating the acceleration of the motor, calculating the speed of the rotation angle; Axle planning by calculating the torque moment, calculating the allowable shear stress, calculating the shaft diameter and calculating the shear stress received; Belt and Puli planning is calculating the linear velocity of the belt and calculating the length of the belt and the planning of the Blade which is calculating the compressive strength, calculating the shear strength and calculating each blade style then drawing a cassava chopper. Based on the results of the analysis and discussion in this study it can be concluded that the driving motor power in cassava delivery is 0.698 kW, the shear stress that occurs on the shaft is 1.648 N/mm2, the required belt length is 1513.409 mm with distance axle axis 634.689 mm and compressive strength on the slicing knife are 1.206 N with shear stress 0.0038 N/mm2.Keywords: Twisting moment, shear stress, power, drive motor, shaft, pulley, belt.

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

Opportunities and challenges in the sustainable integration of natural fibers and particles in friction materials for eco-friendly brake pads Imran, Al Ichlas; Siregar, Januar Parlaungan; Mat Rejab, Mohd Ruzaimi; Cionita, Tezara; Hadi, Agung Efriyo; Jaafar, Jamiluddin; Fitriyana, Deni Fajar; Dewi, Rozanna
Mechanical Engineering for Society and Industry Vol 4 No 3 (2024): Special Issue on Technology Update 2024
Publisher : Universitas Muhammadiyah Magelang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31603/mesi.12271

The high concentration of metallic components in the pad composite improves breaking ability at elevated temperatures and frequencies, bolstering the automobile's braking system. The brake pad operates through friction mechanisms, generating PM 10 and PM 2.5 particulate matter that is emitted into the atmosphere, adversely affecting the well-being of humans and animals. Therefore, eco-friendly materials like natural fiber and organic particles are being used as substitutes for the metal in brake pads. However, natural fibers and particles exhibit unique characteristics when interacting with other materials, presenting significant challenges in brake pad composites such as variations in physical properties, limited thermal resistance, and potential degradation at high temperatures and humid environments. These aspects play a crucial role and can affect the structural strength, wear resistance, and overall performance of composite brake pads, especially when operating under extreme braking conditions. This paper review critically discusses automotive braking systems, the benefits of non-natural fiber brake pads, the process of particle emission formation, the components and manufacturing factors of composite brake pads, and the environmentally friendly qualities of brake pads. This study provides an exciting opportunity to advance our knowledge of the presence of natural fibers and organic particles in composite brake pads, which greatly improves the performance of automotive brake systems because they have super physical and mechanical properties, as well as great tribological and thermal endurance. Moreover, eco-friendly brake pads are typically biodegradable, which helps reduce ecological damage, minimize health concerns for humans and animals, and promote a sustainable automobile sector. Furthermore, eco-friendly brake pads show great potential for further advancement in reducing pollutant emissions and enhancing performance.

Advancements in sustainable material development: A Comprehensive review of coir fiber and its composites Imran, Al Ichlas; Siregar, Januar Parlaungan; Cionita, Tezara; Hadi, Agung Efriyo; Setiyo, Muji; Mat Rejab, Mohd. Ruzaimi; Jaafar, Jamiluddin; Fitriyana, Deni Fajar; Dewi, Rozanna
Mechanical Engineering for Society and Industry Vol 4 No 3 (2024): Special Issue on Technology Update 2024
Publisher : Universitas Muhammadiyah Magelang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31603/mesi.12556

Derived from Coir coconut waste, coir fiber offers an environmentally friendly response to ecological challenges in various industries. Its application aligns with achieving Sustainable Development Goals (SDGs), such as eliminating extreme poverty, ensuring food security, and promoting decent employment and economic expansion. It also fosters environmentally friendly consumption and production, mitigates global warming, and conserves biodiversity. The study involves a comprehensive review of current literature, examining the methodologies including extraction techniques, surface modifications, and manufacturing processes like hand layup, casting, compression molding, hot pressing, and injection molding. The analysis identifies key improvements in mechanical, thermal, and physical properties of coir fiber composites, particularly enhanced tensile strength, thermal stability, and reduced water absorption due to chemical treatments. This confirms previous findings and contributes toward enhancing our understanding that coir fiber is extensively utilized in multiple industries, including housing, construction, transportation, biomedical, wrapping, electrical power, communication technology, biofuel, and bioenergy due to their natural abundance, affordability, ease of shaping, superior durability, and eco-friendly characteristics. Another crucial practical implication is that coir fiber and its composites offer numerous advantages that have significant consequences for the development of coir fiber in various fields.

Mechanical Performance of Alkali-Treated Rattan Strips with Epoxy Coating for Sustainable Composite Applications Kalatharan, Sujentheran Nair; Imran, Al Ichlas; Irawan, Agustinus Purna; Siregar, Januar Parlaungan; Cionita, Tezara; Fitriyana, Deni Fajar; Anis, Samsudin; Dewi, Rozanna; Setyoadi, Yuris; Wisnu Prayogo
Advance Sustainable Science Engineering and Technology Vol. 7 No. 3 (2025): May - July
Publisher : Science and Technology Research Centre Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/asset.v7i3.2017

The use of natural materials like rattan in eco-friendly composites is gaining attention in materials engineering. However, its hydrophilic nature and interaction with other materials can affect mechanical strength. This study investigates how variations in rattan size and alkali treatment influence the tensile properties of single rattan strips through an epoxy dipping process. Rattan was prepared with varying lengths (5–15 cm), widths (3–8 mm), and a consistent thickness (0.5 mm). Alkali treatment used 5% and 10% NaOH concentrations for 1 and 24 hours. Tensile testing showed that a 5 cm × 8 mm strip achieved the highest tensile strength (49.95 MPa), Young's modulus (3562.77 MPa), and low strain (5.4%), while the 15 cm × 3 mm strip had the lowest strength (9.48 MPa) and modulus (475.69 MPa) with higher strain (10.32%). A 5% NaOH treatment for 24 hours improved adhesion and performance, while 10% caused degradation.

Co-Authors Abd Kadir, Abd Adnal, Adnal Agustinus Purna Irawan Aksar, Prinob Aminur Aminur Anwar, Muh. Syahrul Arfan Arfan Budiman Sudia, Budiman Cionita, Tezara Deri Teguh Santoso DWI SURYANTO Etanto Heiliano Wijayanto Fadli, La Ode Muammar Fitriyana, Deni Fajar Hadi, Agung Efriyo Harlan, Harlan Hasanudin, La Jamiluddin, Jamiluddin Juardin, Juardin Junaedi, Thomas Kadir, Abd . Kalatharan, Sujentheran Nair Kardiman, Kardiman Kusmayanto, La Ode Andi Laksono Trisnantoro Lolok, Agustinus Lukas Kano Mangalla, Lukas Kano Mat Rejab, Mohd Ruzaimi Mat Rejab, Mohd. Ruzaimi Mohd Ruzaimi Mat Rejab MUHAMMAD HASBI Muji Setiyo Muradin, Muradin Mustamin Mustamin Nanang Endriatno Prayogo, Wisnu Raden Rinova Sisworo Ridway Balaka, Ridway Rozanna Dewi Sabilah, Laode Muhamad Zakirus Saefuddin, Laode Saktiawan, Saktiawan Salimin Salimin, Salimin Samsudin Anis Saputra, Reynaldi Siregar, Januar Parlaungan Sudarsono Syahrir, Muhamad Ashar Tezara Cionita Thomas Junaedi Usman, La Ode Wijayanto, Etanto Heiliano Wisnu Prayogo Yuris Setyoadi

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