Vol 24, No 2 (2026)

April

DOI: http://dx.doi.org/10.30811/jpl.v24i2

Table of Contents

Optimizing injection pressure for diesel engines fueled with waste cooking oil biodiesel blends
Achmad Aminudin, Doni Setyo Pamungkas, Imam Basuki, Nanang Romandoni, Nur Ihda Farikhatin Nisa, Kelvin Dwi Wardana
PDF
186-192
Modification of counter recoil system in pneumatic counter-tank weapon (CTW) for recoil force reduction
Siti Duratun Nasiqiati Rosady, Transisma Budiarta, Satworo Adiwidodo, Asrori Asrori, Haris Puspito Buwono
PDF
193-199
Comparative of field study of three- and four-bladed archimedes spiral wind turbines under natural low wind conditions
Anas Faroja, Fatahul Arifin, Carlos RS
PDF
200-206
Experimental optimization of voltage stability and power output in PMDC micro-hydropower systems using a buck–boost converter
Firdiansyah Firdiansyah, Indrayani Indrayani, Rusdianasari Rusdianasari
PDF
207-212
The effect of heat input on defect formation, macrostructure, microstructure and hardness in AA 1100 aluminum weld joints using the GMAW process
Rizki Dwi Ardika, Ilham Sulthoni, Munaji Munaji, Yoyok Winardi, Muizuddin Azka
PDF
213-218
Green synthesis of hydroxyapatite from eggshells using orange peel (Citrus sinensis) as a template for bioceramic
Manty Aldilani Ikaningsih, Wahyu Hidayat, Wirawan Piseno, Lulu Nurdini, Besse Titing Karmiati, Arif Rahman, Ba’adilla Akhista Gamara
PDF
219-227
Influence of cutting parameters on burr morphology in milling of 1–2 mm SS304 plates
Vian Rizanda Putra, Muhammad Akhlis Rizza
PDF
228-239
Microstructural evolution and mechanical performance of Ni-modified sand-cast excavator bucket teeth
Ery Hidayat, Ari Siswanto, Gita Novian Hermana, Roni Kusnowo, Cecep Ruskandi, Sophiadi Gunara, Asep Indra Komara
PDF
240-245
Performance and efficiency analysis of a 1600 Wp PV system: investigation of thermal, system configuration, and exergy aspects
Suwarti Suwarti, Yusuf Dewantoro Herlambang, F. Gatot Sumarno, Margana Margana, Baktiyar Mei Hermawan, Zya Jamaluddin Al Rasyid, Wisnu Dyka Pradana, Robiatul Muztaba
PDF
246-252
A laboratory-scale 3-axis automated storage and retrieval system prototype for electronic component management
Sri Kusumastuti, M. Ihya’ Ulumuddin, Cleva Tusara Kumbalany, Sihono Sihono, Vinda Setya Kartika, Raditya Artha Rochmanto, Suryono Suryono, Aminuddin Rizal
PDF
253-259
Analysis of the mechanical strength of composite materials reinforced with coconut fiber and recycled paper
I Made Kastiawan, Indah Nurpriyanti, Maula Nafi, Mastuki Mastuki, Maulana Aditya Wahyu Purnama Aji, Dimas Pribadi Nugroho
PDF
260-267
Experimental investigation of seawater volume effect on the performance of a corrugated-V absorber solar still
Arfan Halim, Ilmawan Suryapradana, Adit S, Abraham P
PDF
268-273
Lower-temperature sintering and optimization ratio of SiO2-TiO2-B2O3-ZnO glass ceramic coatings for energy efficient tile
Faisal Habib, Mahmuddin Mahmuddin, Muhammad Imam Arif
PDF
274-280
Impact of surface roughness on the adhesion strength of PVA/eggshell-derived hydroxyapatite coatings on AISI 316L substrates
Mochamad Arif Irfa'i, Suherman Suherman, Achmad Fadjar Maulana Firdaus
PDF
281-286
Experimental investigation of wear-hardness trade-off mapping for quenched HSS tools under different quenching media and austenitizing temperatures
Razali Razali, Reinaldi Teguh Setyawan, Alfazan Yendra Yendra
PDF
287-294
Optimization of cutting current in CNC plasma cutting for improved bracket fabrication quality
Ali Sai'in, Venditias Yudha, Luqman Al Huda, Zaenal Abidin, Hartanto Prawibowo
PDF
295-298
Production monitoring system using SCADA-IIOT for improving efficiency and productivity on stamping machines
Gun Gun Maulana, Sandy Bhawana Mulia, wahyudi Purnomo, Hadi Supriyanto
PDF
299-303
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
PDF
304-309
Bio-hybrid carbon fibre/OPFF epoxy composites: mechanical, interfacial, and thermal performance
Randis Randis, Hadi Hermansyah, Syahruddin Syahruddin, Karmila Achmad, Yasmin Zulfati Yusrina, Devina Sanchia Samosir, Edi Wibowo, Rudianto Raharjo
PDF
310-318
Optimization of hybrid carbon–bamboo composite struc-ture based on flexural test and finite element simulation for UAV wing spar
Muhammad Nuzan Rizki, Asnawi Asnawi, Iqbal Kamar, Maulana Agil Ibrahim
PDF
319-326
Thermal distribution and macrostructural characteristics of TIG-welded Cu/SS316L dissimilar joints: experimental and numerical study
Azwinur Azwinur, Agus Suprihanto, Mukhsinun Hadi Kusuma, Khoiri Rozi, Usman Usman, Surya Dharma, Hamdani Hamdani
PDF
327-334
Effect of plasma–ozone injection on the performance of a B30 diesel engine under variable load
Alfian Ady Saputra, Muhammad Hardiman Nur Ramadhan, Melati Nurul Insani
PDF
335-340
Effect of a sugar palm fiber and pineapple leaf fiber reinforcement in a polyester matrix on flexural strength and macrostructural characteristics
Wawan Trisnadi Putra, Rizal Arifin, Kuntang Winangun, Fadelan Fadelan, Rangga Ardana Saputra
PDF
341-345
Evaluation of diaper waste combustion efficiency in a steam-pressed oil waste stove-based incinerator with two air intakes
Ibnu Irawan, Khamdi Mubarok, Rifky Maulana Yusron, Rullie Annisa
PDF
346-353
Effect of welding angle variation on impact strength, micro and macrostructural characteristics of SMAW joints in AISI 1020 steel
Aman Aldino, Muhammad Akhlis Rizza, Sugeng Hadi Susilo
PDF
354-361
Effect of blade number on the performance of an H-rotor vertical axis wind turbine under low wind speed conditions
Agustinus Lolok, Lukas Kano Mangalla, Bahdin Ahad Badia
PDF
362-367
Effects of depth of cut and feed rate on dimensional accuracy and surface roughness in CNC nesting of HMR panels
Agung Ari Purwanto, Zain Amarta, Bahtiar Rahmat, Wahyu Widiyanto, Muhammad Fahrudin
PDF
368-372
Performance evaluation of a solar-powered thermoelectric cool box with GSM-IoT monitoring for coastal fisheries
Shaffa Shaffa, RD Kusumanto, Ahmad Taqwa
PDF
373-378
Design and implementation of a state feedback controller for enhanced speed stability of permanent magnet DC motors under load variations
Mahdi Syukri, Rakhmad Syafutra Lubis, Melinda Melinda, Muhammad Hakkan Syukur, Iskandar Hasanuddin, Muhammad Irwanto
PDF
379-384