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All Journal Jurnal Teknik Mesin JURNAL CRANKSHAFT Journal of Innovation and Technology JITER-PM (Jurnal Inovasi Terapan - Pengabdian Masyarakat)
Saputra, Eko Wahyu
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Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Health Professions Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Social Sciences

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Pengaruh Jenis Biomassa dalam Proses Karbonisasi terhadap Efisiensi Burner Tipe GT40 Prayitno, Hadi; Dinata, Ragil Alvin; Amrul, Amrul; Kurniawan, Dondi; Nazarudin, Rizal; Saputra, Eko Wahyu
Jurnal Teknik Mesin Vol 17 No 2 (2024): Jurnal Teknik Mesin
Publisher : Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30630/jtm.17.2.1406

Abstract

The use of biochar as an organic fertilizer has gained significant attention in the agricultural field. Biochar application can enhance soil fertility and promote agricultural sustainability. Converting agricultural waste into biochar can reduce dependency on chemical fertilizers. Incorporating biochar into the soil improves water retention and nutrient availability. This study aims to evaluate the effect of biomass types (bromelain and bamboo) during the carbonization process on burner efficiency in biochar production.The study utilized bromelain biomass, bamboo biomass, and a mixture of the two at a 50% bromelain and 50% bamboo ratio. The raw materials were carbonized using a rotary drum reactor. The reactor operated with heat supplied by a High-Speed Diesel (HSD)-fueled burner. The carbonizer reached a maximum temperature of 600°C. In addition to biochar, the carbonization process also produced syngas, which was subsequently used to substitute HSD as a fuel source.The results indicated that the type of biomass significantly influenced burner efficiency during the carbonization process. Biochar derived from bamboo tended to have a higher cellulose content, whereas biochar from bromelain exhibited greater thermal decomposition stability. This study provides new insights into the potential of utilizing bromelain and bamboo biochar as sustainable strategies for agricultural soil management.The research demonstrated that biomass type selection during carbonization had a substantial impact on burner efficiency, which ranged from 81.15% to 84.45%. The HSD consumption of the burner was recorded at 35.03 kJ/hour. The use of biochar as an organic fertilizer offers an environmentally friendly and sustainable solution. Converting agricultural waste into biochar can serve as a strategic agenda for agricultural waste management.
Analisa Numerik Pengaruh Sirip Pembagi Aliran pada Unjuk Kerja Termal Kolektor Panas Plat Datar Bersirip Prabowo, Angga Darma; Kurniawan, Dondi; Nazarrudin, Rizal; Saputra, Eko Wahyu
JURNAL CRANKSHAFT Vol 8, No 1 (2025): Jurnal Crankshaft Vol.8 No.1 (2025)
Publisher : Universitas Muria Kudus

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24176/cra.v8i1.13953

Abstract

Kebutuhan energi terbarukan dalam beberapa dekade terakhir semakin meningkat akibat dari keterbatasan sumber daya energi fosil dan isu lingkungan. Salah satu teknologi yang berpotensi besar dalam pemanfaatan energi terbarukan adalah kolektor panas surya. Penambahan sirip pada kolektor panas merupakan salah satu cara untuk meningkatkan unjuk kerja termal kolektor panas plat datar. Secara praktik dibutuhkan sirip pembagi aliran udara agar dapat menjangkau dan mengambil panas dari setiap sisi sirip kolektor panas. Hasil penelitian menunjukan sirip pembagi aliran dapat meningkatkan unjuk kerja termal kolektor panas plat datar bersirip. Sudut yang paling optimal dalam meningkatkan unjuk kerja termal kolektor panas plat datar bersirip pada penelitian ini adalah 30o.
The Sosialisasi Peminatan Akademik Mahasiswa Teknik Mesin Universitas Lampung 2024 ADI SAPUTRA, RIZAL; prayitno, hadi; Saputra, Eko Wahyu; Nugraha, Nurcahya; Prabowo, Angga Darma
JITER-PM (Jurnal Inovasi Terapan - Pengabdian Masyarakat) Vol. 3 No. 1 (2025): JITER-PM
Publisher : Politeknik Caltex Riau

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Abstract

Sosialisasi peminatan kegiatan akademik mahasiswa merupakan salah satu upaya penting dalam memberikan pemahaman dan bimbingan kepada mahasiswa untuk menentukan jalur dan fokus akademik yang sesuai dengan minat dan kemampuan mahasiswa. Kegiatan ini sangat relevan, terutama bagi mahasiswa baru, yang masih dalam proses penyesuaian dan eksplorasi terhadap berbagai bidang yang ada di program studi. Tujuan dari pengabdian kepada masyarakat ini adalah untuk memberikan informasi yang jelas dan komprehensif mengenai peminatan kegiatan akademik di Jurusan Teknik Mesin Universitas Lampung. Sosialisasi ini dilakukan melalui berbagai metode, seperti seminar, diskusi kelompok, dan pembagian materi yang menjelaskan peminatan di bidang-bidang teknik mesin, prospek karier, serta pentingnya pemilihan peminatan yang tepat bagi pengembangan akademik dan profesional mahasiswa. Hasil yang didapatkan dari kegiatan ini adalah meningkatnya pemahaman mahasiswa tentang pentingnya peminatan yang sesuai dengan minat dan kemampuan mahasiswa, serta mempercepat proses adaptasi mahasiswa dalam menjalani perkuliahan. Sosialisasi ini diharapkan dapat memberikan dampak positif dalam meningkatkan kualitas akademik mahasiswa.
Investigation of Electrical Voltage Influence on Thermoelectric Cooler (TEC) Performance in a Stacked Cooling Enclosure Sabiqunassabiqun; Saputra , Alfian Ady; Saputra, Eko Wahyu
Jurnal Inovasi Teknologi Vol 6 No 1 (2025): April
Publisher : Engineering Forum of Western Indonesian Government Universities Board (Forum Teknik, BKS-PTN Wilayah Barat) Indonesia

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Abstract

The Thermoelectric Cooler (TEC) is an environmentally friendly solid-state cooling technology with wide application potential. This study aims to analyze the effect of voltage variation on the thermal performance of a TEC-based cooling system applied to a prototype cooling box. The methodology involved designing a system with eight symmetrically installed TEC units, tested at five voltage levels: 16 V, 18 V, 20 V, 22 V, and 24 V. Evaluated parameters included cold and hot side temperatures, heat absorbed (Qc), and Coefficient of Performance (COP). Experimental results revealed that increasing voltage up to 22 V significantly enhanced system efficiency, with the highest COP of 0.25 and maximum Qc of 5.24 W. However, at 24 V, performance declined due to excessive heat accumulation on the hot side of the TEC, exceeding heat dissipation capacity. In conclusion, an optimal input voltage of 22 V was identified to yield the most efficient cooling performance. These findings support the applicability of TEC technology for compact and sustainable cooling systems.
Co-Authors Amrul Amrul Angga Darma Prabowo Dinata, Ragil Alvin Hadi Prayitno Kurniawan, Dondi Nazarrudin, Rizal Nazarudin, Rizal Nugraha, Nurcahya Rizal Adi Saputra Sabiqunassabiqun Saputra , Alfian Ady