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All Journal Publikasi Pendidikan Rekayasa Mesin Industria: Jurnal Teknologi dan Manajemen Agroindustri Turbo : Jurnal Program Studi Teknik Mesin JMM (Jurnal Masyarakat Mandiri) JURNAL CRANKSHAFT Jurnal Polimesin Dharmakayana: Journal of scientists, engineers, educators and scientific activists related to society development
Musyaroh, Musyaroh
Universitas Pembangunan Nasional Veteran Jawa Timur
Agriculture, Biological Sciences & Forestry Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Medicine & Pharmacology Other

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Efek Intermolecular Forces: Perubahan Physical Properties pada Campuran Premium dan Bio-Additive Orange Peel Musyaroh, Musyaroh; Wijayanti, Widya; Sasongko, Mega Nur; Rizaldy, Ahmad Difal
Jurnal Rekayasa Mesin Vol 12, No 1 (2021)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jrm.2021.012.01.15

Abstract

The addition of bio-additive in gasoline was needed in order to improve the anti-knock quality. The bio-additive used was orange peel in the form of essential oil. Nevertheless, it make any changes of fuel properties affecting standard compliances: physical properties, engine performances and exhaust gas emissions due to some main compound effects of orange oil; limonene up to 90%. The recent study aimed to analyze the blends of bio-additives and premium gasoline  experimentally related to improve the fuel properties theoretically. By verifying the blends, they were tested at blending concentration ratio from 1% to 75%. For each blend, the physical properties; kinematic viscosity, density, and calorific value were measured using ASTM D 445, ASTM D 92, and ASTM D 250.  The results show that the limonene gave many impacts on the change of properties fuel. Limonene is a non-polar compound with high intramolecular force intensity. It causes a spontaneous dipole and gave propagation effect on premium gasoline molecular compound. The effect influences dynamic molecular distribution by increasing the attractive force between opposite pole of premium gasoline and bio-additives blend. The decrease of intermolecular movement intensity will decrease the viscosity of the mixture. In contrary, the kinematic viscosity of the mixture will increase with increasing bio-additive concentration. In other pysical properties, the premium gasoline-bio-additive blends have low density at 1%, 5%, 10% and 25% addition concentration but it has high heating value of fuel blends.
Pengaruh Lama Waktu Pengadukan dan Konsentrasi NaOH pada Proses Pemurnian Minyak Goreng Superworm (Zophobas morio) Musyaroh Musyaroh; Nur Hidayat
Industria: Jurnal Teknologi dan Manajemen Agroindustri Vol 7, No 2 (2018)
Publisher : Department of Agro-industrial Technology, University of Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (431.528 KB) | DOI: 10.21776/ub.industria.2018.007.02.2

Abstract

AbstrakSuperworm (Zophobas morio) memiliki asam lemak dan produktivitas yang tinggi sehingga berpotensi digunakan sebagai bahan baku minyak goreng. Netralisasi dengan NaOH merupakan solusi untuk meningkatkan kualitas minyak goreng superworm. Tujuan penelitian ini adalah mengetahui pengaruh penggunaan NaOH dan lama waktu pengadukan pada proses netralisasi untuk meningkatkan kemurnian minyak goreng superworm. Rancangan Acak Lengkap pola Faktorial 2 faktor digunakan dalam penelitian ini. Faktor yang digunakan yaitu konsentrasi NaOH (14°Be, 16°Be dan 18°Be) dan lama waktu pengadukan (10 menit, 15 menit dan 20 menit). Parameter uji pada penelitian ini yaitu jumlah rendemen, kadar air, kadar asam lemak bebas, dan organoleptik (warna, rasa dan aroma). Dari penelitian yang dilakukan, faktor yang tidak berpengaruh secara signifikan yaitu penambahan konsentrasi NaOH dan lama waktu pengadukan terhadap aroma dan rasa. Faktor yang berpengaruh secara signifikan yaitu konsentrasi NaOH terhadap rendemen dan kadar asam lemak bebas, lama waktu pengadukan terhadap kadar asam lemak bebas. Faktor lama pengadukan, faktor penambahan NaOH serta interaksi keduanya juga berpengaruh secara signifikan terhadap kadar air dan warna minyak goreng superworm. Konsentrasi NaOH terbaik adalah 18°Be dengan lama pengadukan 15 menit, kadar asam lemak bebas 0,20 mg KOH/g dan kadar air 0,05% (b/b).Kata kunci: minyak goreng, netralisasi, superworm AbstractSuperworm (Zophobas morio) has fatty acid and high productivity, so it is potential to use it as raw material for cooking oil. Neutralization with NaOH is a solution to improve the quality of the superworm cooking oil. The purpose of this research is to know the effect of NaOH usage and stirring time on neutralization process to increase superworm cooking oil purity. Completely Randomized Design Factorial Factor 2 factors were used in this study. The factors used were NaOH concentration (14° Be, 16° Be and 18° Be) and stirred time (10 minutes, 15 minutes and 20 minutes). The test parameters in this study were the amount of rendement, water content, free fatty acid content, and organoleptic (color, flavor, and aroma). From the research conducted, the factors that did not significantly influence the addition of NaOH concentration and the duration of stirring to the aroma and taste. Factors that significantly influence the concentration of NaOH to the rendement and free fatty acid content, also the stirring period to free fatty acid content. The stirring time factor, the addition of NaOH factor and the interaction of both also significantly influence the water content and the color of the superworm cooking oil. The best NaOH concentration was 18° Be with a stirring time of 15 minutes, the free fatty acid content of 0.20 mg KOH / g and water content of 0.05% (w/w).Keywords: neutralization, cooking oil, superworm 
Optimalisasi Konsep Octane Cycle sebagai Strategi Pengolahan Sampah Terpadu Menuju Desa Zero Waste di Argosari, Malang: Optimalisasi Konsep Octane Cycle sebagai Strategi Pengolahan Sampah Terpadu Menuju Desa Zero Waste di Argosari, Malang Musyaroh; Anisah Nurul Izzah; Rizqa Ruviana; Luluk Edahwati; Dewi Maya Maharani
Dharmakayana Vol 2 No 1 (2025): Mei : Dharmakayana: Journal of scientists, engineers, educators and scientific ac
Publisher : Program Studi Teknik Mesin, Fakultas Teknik Universitas Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/dk.v2i1.41704

Abstract

Argosari Village faces a critical waste management challenge due to the accumulation of biogas slurry (300–500 kg/day), household waste (687 kg/day), and agricultural waste (1,919.7 kg/day). Limited public awareness and waste processing capacity have led to uncontrolled environmental pollution. This community service program introduces the Octane Cycle Concept, a novel and integrative waste utilization model that transforms both organic and inorganic rural waste into valuable products such as compost, fertilizers, fish feed, mushroom media, and handicrafts. The Octane Cycle emphasizes a closed-loop, multi-output processing approach that links food, energy, and local economy in a zero-waste framework. The program was carried out in five phases: preparation, equipment provision, community training, monitoring and evaluation, and reporting. Results show that waste volume in Argosari Village was reduced by 51% within three months. In addition to improving environmental cleanliness, the program fostered entrepreneurship and increased household savings through the production of bio-based products. This model demonstrates the scientific and practical potential of applying circular economy principles at the village level.
Karakteristik Pembakaran Droplet Campuran Bensin Oktan Rendah dengan Penambahan Minyak Kulit Jeruk Musyaroh; Anisah Nurul Izzah; Rizqa Ruviana; Fatkhurrohman; Tria Puspa Sari; Widya Wijayanti
TURBO [Tulisan Riset Berbasis Online] Vol 15 No 1 (2026): TURBO: Jurnal Program Studi Teknik Mesin
Publisher : Universitas Muhammadiyah Metro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24127/trb.v15i1.4741

Abstract

The use of waste as an alternative fuel is being continually developed to support the clean energy transition. Orange peel oil (OPO) contains limonene, a volatile hydrocarbon compound with double bonds that has the potential to be used as a gasoline additive. However, studies directly examining its effect on droplet combustion characteristics are still limited. This study aims to fill this gap by evaluating the droplet combustion dynamics of a mixture of low-octane gasoline and OPO through visual and thermal approaches. Experiments were conducted by burning 10 µL droplets using a metal stand, with the essential oil concentration varying from 1% to 100%. Visualization was performed using a high-speed camera, and temperature measurements were carried out with a K-type thermocouple. The results showed that the addition of OPO prolonged the combustion time, decreased the combustion rate constant, and increased the maximum temperature. Microexplosions were observed starting at concentrations ≥25%, due to differences in boiling points between the components. Flame visualization confirmed the quantitative results, with brighter and longer-lasting flames at higher concentrations. This study concludes that OPO can significantly modify the droplet combustion characteristics and shows potential as a waste-based biofuel additive, which can improve the efficiency and sustainability of gasoline combustion systems
Investigation on hardness and microstructural behavior of mahogany–brass reinforced bio-composite brake pads under varying compaction pressure Fatkhurrohman Fatkhurrohman; Rizqa Ruviana; Musyaroh Musyaroh; Anisah Nurul Izzah
Jurnal Polimesin Vol 24, No 2 (2026): April
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/jpl.v24i2.8593

Abstract

The gradual elimination of asbestos in brake pad manufacturing has intensified the search for sustainable and non-toxic friction materials. This study presents waste-based bio-composite brake pads reinforced with mahogany sawdust and brass shavings, fabricated using a compaction-sintering approach. The scientific novelty of this study lies in the combined influence of reinforcement composition and compaction pressure on the microstructure-hardness relationship of wood-metal hybrid composites for brake pad applications. The effects of varying mahogany-to-brass ratio and compaction pressure on Shore D hardness and morphological characteristics were systematically evaluated. The results showed that increasing compaction pressure and reinforcement proportion improved composite densification and interfacial bonding, thereby increasing hardness. Increased hardness indicates better structural integrity and load-bearing capacity, which are important mechanical requirements for brake pad materials. The highest hardness value of 76.6 Shore D was obtained at a pressure of 3400 psi with a 4:4 composition, while the lowest value of 70.6 Shore D occurred at 3000 psi with a 1:4 ratio. These findings highlight the role of controlled compaction and balanced hybrid reinforcement in tailoring the mechanical characteristics of sustainable brake pad composites, supporting the potential utilization of wood and metal waste as environmentally friendly friction material components.
PEMANFAATAN SAMPAH ORGANIK RUMAH TANGGA SEBAGAI PUPUK ORGANIK BERNUTRISI MENGGUNAKAN ALAT COPPER MANUAL DENGAN METODE VERMICOMPOST Fatkhurrohman Fatkhurrohman; Zunairoh Zunairoh; Rizqa Ruviana; Musyaroh Musyaroh; Anisah Nurul Izzah
JMM (Jurnal Masyarakat Mandiri) Vol 9, No 3 (2025): Juni
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/jmm.v9i3.31510

Abstract

Abstrak: Kota Surabaya memiliki jumlah penduduk 2,9 juta jiwa dan terus mengalami peningkatan setiap tahunnya. Sejalan dengan hal tersebut, volume sampah yang dihasilkan mencapai 2.913 ton perhari. Oleh karena itu, diperlukan adanya pemanfaatan dari sampah guna mengurangi volume sampah yang setiap tahunnya mengalami peningkatan. Salah satu upaya yang bisa dilakukan yaitu dengan memanfaatkan sampah menjadi pupuk organik bernutrisi. Tujuan penyuluhan yaitu memberikan wawasan bagaimana memanfaatkan sampah organik rumah tangga menjadi pupuk organik bernutrisi dengan metode vermicompost. Metode pelaksanaan dilakukan dengan penyuluhan secara langsung didepan warga Kelurahan Medokan Semampir Kota Surabaya yang dihadiri sebanyak 30 orang. Evaluasi dilakukan menggunakan pre test dan post test berkaitan dengan pengetahuan dan pemahaman terhadap proses pembuatan pupuk organik menggunakan copper manual dengan metode vermicompost. Hasil pre test dan post test menunjukkan peningkatan pengetahuan dan pemahaman warga sebesar 71% menjadi 97%. Diharapkan dengan adanya kegiatan ini warga dapat memanfaatkan sampah organik rumah tangga sehingga dapat mengurangi volume sampah di Kota Surabaya.Abstract: The city of Surabaya has a population of 2.9 million people and continues to increase every year. In line with this, the volume of waste produced reaches 2,913 tons daily. Therefore, it is necessary to utilize waste to reduce the volume of waste which increases every year. One effort that can be made is to utilize waste into nutritious organic fertilizer. The purpose of the counseling is to provide insight into how to utilize household organic waste into nutritious organic fertilizer using the vermicompost method. The implementation method is direct counseling in front of residents of Medokan Semampir Village, Surabaya City, which was attended by 30 people. The evaluation was carried out using a pre-test and post-test related to insight and understanding of the process of making organic fertilizer using manual copper with the vermicompost method. The results of the pre-test and post-test showed an increase in residents' insight and understanding 75% to 97%. It is hoped that with this activity, residents can utilize household organic waste so that they can reduce the volume of waste in the city of Surabaya.
Flow Structures and Performance Characteristics of a Savonius Wind Turbine Under Varying Wind Speeds and Blade Angles Tria Puspa Sari; Anisah Nurul Izzah; Muhammad Hendra Budi Satria; M. Danny Pratama Lamura; Musyaroh; Dhia Fairuz Shabrina
JURNAL CRANKSHAFT Vol. 9 No. 1 (2026): Jurnal Crankshaft Vol. 9 No. 1 (2026)
Publisher : Badan Penerbit Universitas Muria Kudus

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24176/cra.v9i1.16912

Abstract

Savonius wind turbines belong to the class of vertical-axis wind turbines (VAWTs) and are well known for the ability to self-start at low wind speeds without the need for yaw control. Despite these advantages, their aerodynamic efficiency remains lower than that of horizontal-axis wind turbines (HAWTs). In this study, the flow structures and performance characteristics of a Savonius wind turbine are examined using streamline visualization under varying wind speeds ranging from 8 to 10 m/s and blade angles between 100° and 130°. The Reynolds number variations reflect changes in the flow regime and momentum exchange caused by different wind speeds and blade orientations. Across all wind speeds, the 120° blade angle consistently resulted in the most favorable flow conditions. Streamline visualization highlights key flow features, including flow separation, vortex development, and wake structures, which play a critical role in determining aerodynamic efficiency and energy capture. By directly relating Reynolds number variations to observable flow phenomena, this study offers practical insights for aerodynamic optimization. The findings contribute to the development of more efficient Savonius wind turbine designs, particularly for applications in low to moderate wind environments.
Peningkatan Literasi Energi Terbarukan melalui Edukasi Panel Surya pada Siswa SMP Negeri 8 Probolinggo Rizqa Ruviana; Luluk Edahwati; Musyaroh Musyaroh; Tria Puspa Sari; Fatkhurrohman Fatkhurrohman; M Danny Pratama Lamura; Anisah Nurul Izzah
Publikasi Pendidikan Vol 16, No 2 (2026)
Publisher : Universitas Negeri Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70713/publikan.v16i2.82850

Abstract

Low renewable energy literacy among students remains a challenge in supporting energy transition and sustainable development. This community service program aimed to improve renewable energy literacy through solar panel education and training for students at SMP Negeri 8 Probolinggo. A quantitative descriptive approach with a pretest posttest design was employed. The program involved 30 ninth grade students who participated in interactive workshops on renewable energy concepts, counseling on the role of green energy in reducing carbon emissions, and hands-on practice in basic solar panel installation and maintenance. Program outcomes were evaluated using a five-point Likert-scale questionnaire consisting of 20 statements grouped into seven assessment parameters. The results showed consistent improvements across all parameters, with percentage increases ranging from 10.7% to 39.3%. The highest improvement was observed in the maintenance and evaluation of solar panels, while the lowest increase occurred in students’ attitudes toward supporting renewable energy. These findings indicate that practice-based educational interventions are effective in enhancing students’ knowledge, basic technical skills, and environmental awareness. This program contributes to the achievement of Sustainable Development Goals, particularly SDG 4 (Quality Education), SDG 7 (Affordable and Clean Energy), and SDG 13 (Climate Action).
Co-Authors Anisah Nurul Izzah Dewi Maya Maharani Dhia Fairuz Shabrina Fatkhurrohman Fatkhurrohman Fatkhurrohman Fatkhurrohman Fatkhurrohman Fatkhurrohman Fatkhurrohman Luluk Edahwati M Danny Pratama Lamura M. Danny Pratama Lamura Mega Nur Sasongko Muhammad Hendra Budi Satria Nur Hidayat Rizaldy, Ahmad Difal Rizqa Ruviana Rizqa Ruviana Rizqa Ruviana Rizqa Ruviana Tria Puspa Sari Tria Puspa Sari widya wijayanti Widya Wijayanti Zunairoh Zunairoh