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All Journal JURNAL ILMIAH PLATAX Jurnal Rekayasa dan Manajemen Sistem Industri Sainmatika: Jurnal Ilmiah Matematika dan Ilmu Pengetahuan Alam Jatilima : Jurnal Multimedia Dan Teknologi Informasi Jurnal Pengabdian Kepada Masyarakat Patikala Indonesian Journal of Research and Educational Review (IJRER) Jurnal Manajemen METAL : Jurnal Sistem Mekanik dan Termal JURNAL PERMADI: PERANCANGAN, MANUFAKTUR, MATERIAL DAN ENERGI Open Community Service Journal Journal Health Applied Science And Technology (JHAST) Jurnal Edukasi Pengabdian Masyarakat: EDUABDIMAS Al-Wasatiyah: Journal of Religious Moderation Jurnal Nusa Manajemen IECON: International Economics and Business Conference
Nurhidayanti
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Religion Agriculture, Biological Sciences & Forestry Arts Humanities Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemistry Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Engineering Environmental Science Health Professions Immunology & microbiology Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Library & Information Science Materials Science & Nanotechnology Mathematics Mechanical Engineering Physics Public Health Social Sciences Other

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Optimasi Kinerja Mesin Diesel dengan Campuran Biodiesel dan Aluminium Oksida sebagai Nanoadditif Muh. Abdillah; Wicaksono, Ariawan Bayu; Ishak; Nurhidayanti
Jurnal Permadi : Perancangan, Manufaktur, Material dan Energi Vol 7 No 01 (2025): JURNAL PERMADI: PERANCANGAN, MANUFAKTUR, MATERIAL DAN ENERGI
Publisher : Universitas Nusa Putra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52005/permadi.v7i01.183

Abstract

Biodiesel is an environmentally friendly renewable fuel, but it has lower energy efficiency and can increase nitrogen oxide emissions. This study examines the effect of adding aluminum oxide nanoparticles (Al₂O₃) on the performance of diesel engines fueled with biodiesel. Five fuel combinations were tested: B30 and B30 with Al₂O₃ at concentrations of 30, 50, 70, and 90 ppm. The results show that the addition of Al₂O₃ increases the engine's torque and brake power, with the highest increases of 4.14% and 6.22% respectively in the B30+Al₂O₃ 70 ppm mixture under high load conditions. This effect is associated with better atomization, optimal air-fuel mixing, and the catalytic properties of the nanoparticles. However, at a concentration of 90 ppm, there is a slight decrease in performance due to nanoparticle aggregation. The optimal concentration of 70 ppm shows potential for improving biodiesel efficiency. Further studies are needed to evaluate the long-term stability and its impact on engine lifespan.
Efektivitas Phase Change Material Sebagai Media Penyimpanan Energi Termal Pada Kotak Pendingin Nurhidayanti; Sabiqunassabiqun; Ady Saputra , Alfian
Jurnal Permadi : Perancangan, Manufaktur, Material dan Energi Vol 7 No 02 (2025): JURNAL PERMADI: PERANCANGAN, MANUFAKTUR, MATERIAL DAN ENERGI
Publisher : Universitas Nusa Putra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52005/permadi.v7i02.188

Abstract

The challenge of energy efficiency in cooling systems has driven exploration into thermal energy storage technologies using Phase Change Materials (PCM). This study aims to evaluate the thermal performance of two types of PCM—liquid-phase propylene glycol (PG) and solid-phase paraffin wax (PW)—in passively maintaining the temperature inside a cooling box. The experimental setup involved a Styrofoam-based cooling chamber lined with aluminum, where both PCMs were placed in identical containers. Temperature data for the internal chamber, PCM, and ambient air were recorded over 90 minutes using thermocouples and a data logger. Key parameters analyzed included temperature distribution, absorbed heat quantity and rate, and thermal efficiency of each PCM. The results indicate that PCM PG exhibits superior thermal performance, demonstrated by a higher heat absorption capacity (783.38 J), more consistent heat transfer rate, and greater maximum thermal efficiency compared to PCM PW (715.10 J). Therefore, PCM PG is recommended as a more promising material for efficient and sustainable passive thermal energy storage systems.
ANALISIS RISIKO KESELAMATAN DAN KESEHATAN KERJA (K3) PADA PROSES PRODUKSI UNDERFRAME DI PT INKA (PERSERO) MENGGUNAKAN METODE FMEA DAN RCA Nurhidayanti; Sholihah, Qomariyatus
Jurnal Rekayasa dan Manajemen Sistem Industri Vol. 13 No. 5 (2025):
Publisher : Program Studi Teknik Industri Fakultas Teknik Universitas Brawijaya

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Abstract

Jika membutunkan abstrak atau isi jurnal silahkan menghubungi author melalui e-mail nrhdantii26@gmail.com atau qomariyatus@ub.ac.id Dipublikasikan tanggal: 14 Juli 2025
Co-Authors Achmad Adriyanto Ady Saputra , Alfian Adzim, Syahrun Amiruddin Anggraini, Agnes Anwar Sadat Arfiany Asyurah, Suci Damar Arya Prayoga Dina Puspita Edric Firjatullah Fachrul, Muhammad Fadhilah, Alya Melanisya Fahira, Ainun Fania, Azter Guntur Suryo Putro Hairani, Nilam Heba Elsisy Fadlia Hikmah Hikmah Hikmah Ikha Safitri Indah Sari ISHAK Juraijin, Denny Kido, Muh Ikram Mega Sari Juane Sofiana Muh. Abdillah Muhammad Ikhsan Muhammad Umar Muhammad Yusuf Mukhlis Muliani, Lala Muzkiyah, Nurul Nani Hidayati Nur Inayah NURUN NAJMATUL ULYA Onri Bunga Qomariyatus Sholihah Razaq, Yusuf Sabiqunassabiqun Sabrina, Anadya Saputri, Dinda Kurnia Satriani Sihab, Najwa Syamsul Bahri Taqwa, Gusti Barlian Tedy Kurniawan Uci Widya Astuti Ummul Khair Veronneca, Rossa Wicaksono, Ariawan Bayu