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All Journal Jurnal Elemen Jurnal Teknik Mesin dan Pembelajaran
Muhammad Hasan Basri
Universitas Merdeka Madiun
Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Control & Systems Engineering Education Energy Engineering Other

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Pengaruh Variasi Bentuk Bilah dan Debit Air Terhadap Unjuk Kerja Turbin Kinetis Muhammad Hasan Basri
Jurnal Teknik Mesin dan Pembelajaran Vol 9, No 1 (2026)
Publisher : Universitas Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17977/um054v9i1p74-80

Abstract

The growing demand for electrical energy and the limited availability of environmentally friendly renewable energy sources have driven the utilization of hydropower trought kinetic turbines. The study aims to examine the impact of change in blade morphology and waterflow velocity on the efficiency of kinetic turbines. The variations used in this study involved vertical axis kinetic turbines with flat blades, bowl shaped blades, and angeled blades, as well as variations in water flow rate 117 Lpm, 122 Lpm, 127 Lpm, 132 Lpm. This study employed an experimental method, with test parameters including voltage, current, electrical power, and turbine efficiency. The results of the study indicate thet the blade shape and waterflow velocity together have a significant impact on turbine performance. The bowl shaped blades achieved the highest efficiency at 40,07%, the flat blades at 37,86%, and the angled blades at 31,12%.
(EXPERIMENTAL VARIATION OF WATER HEAD AND DISCHARGE ON CROSS-FLOW TURBINE POWER Muhammad Hasan Basri
Jurnal Teknik Mesin dan Pembelajaran Vol 9, No 1 (2026)
Publisher : Universitas Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17977/um054v9i1p1-7

Abstract

Power plants in Indonesia are generally coal-fired steam power plants that still use fossil fuels whose availability is increasingly scarce. One category of water resource utilization as a promising renewable energy (electrical energy) is a pico-hydro power plant (PLTPH) that uses a cross-flow turbine system as a driving force. One effort to optimize turbine performance is by changing the turbine's operating parameters, namely water flow rate and head height. In this study, an experimental test will be conducted to determine the mechanical power performance of the turbine and the generator output power on the pump as a turbine produced by the turbine system by varying the flow rate and head in the cross-flow turbine system. The purpose of this study is to determine the effect of different flow rate and head variations on turbine power and generator power on the pump as a turbine. In this test, a specimen with an inlet angle of 30o and an outlet angle of 75o was used. The test specimen was made of composite material to be lighter and resistant to pressure. In the test installation, a frame was used to determine the falling water height of 3 meters, 4 meters, 5 meters and different flow rate variations. The largest generator power produced at a height of 5 meters and a water discharge of 0.00642 m³/second is 99.96 watts, at a generator shaft rotation of 881.4 rpm. The effect of variations in head height on generator power in cross flow turbines is directly proportional, with increasing head height, the generator power increases, the largest generator power is at a head height of 5 m with a generator force of 58.73 watts.
THE EFFECT OF GIANT FALSE AGAVE FIBER COMPOSITION ON THE DYNAMIC PROPERTIES OF COMPOSITE MATERIALS Muhammad Hasan Basri
Jurnal Teknik Mesin dan Pembelajaran Vol 9, No 1 (2026)
Publisher : Universitas Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17977/um054v9i1p92-107

Abstract

Composite is a new material formed from a combination of two or more materials that have mechanical properties stronger than the constituent materials. The development of composite technology is currently moving towards natural composites. One of the natural composites currently being developed and researched is the giant false agave plant fiber composite. This composite is a new material that utilizes giant false agave plant fiber as a reinforcement combined with an epoxy resin matrix with variations of 60%: 40%, 70%: 30%, and 90%: 10%. The use of composite materials in industry still pays attention to the required characteristics, such as mechanical properties and dynamic properties. The purpose of this study is to determine the dynamic characteristics of new materials based on vibration tests using an impact hammer with the Impulse Excitation Technique (IET) method which is evaluated through micro photography and structural morphology analysis. composite materials against variations in epoxy resin based on Electro Scanning Microscopes (SEM) testing. The results of this study indicate that the results of dynamic testing with EMA extraction carried out on Gianf false agave fibrous composite materials obtained dynamic characteristic values including masses of 0.32 g, 1.9 g, 2.3 g respectively, damping ratios of 0.30%, 0.27%, 0.25% respectively, stiffnesses of 32.7 x 10-6 N/m, 26.9 x 10-6 N/m, 57.3 x 10-6 N/m respectively, damping coefficients of 19.4 N.s/m, 60.7 N.s/m, 73.7 N.s/m respectively and natural frequencies of 1602 Hz, 1733 Hz, 1779 Hz respectively, and the second result of micro photo testing, composites with 20% fiber volume have a natural frequency of 6880 Hz, where the frequency is lower when compared to the frequency experienced by composites with fiber volumes of 40% and 60%, namely 8480 Hz and 11200 Hz. The higher the fiber volume, the greater the natural frequency and stiffness produced by a material, but produces less damping.
PERENCANAAN ALAT PENGAYAK PASIR DUA MESH UNTUK PEMISAHAN MATERIAL Ardi Taufik Hidayat; Bayu Handika S; Muhammad Hasan Basri
ELEMEN : JURNAL TEKNIK MESIN Vol. 13 No. 1 (2026)
Publisher : POLITALA PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Sand is a widely used building material, used from the structure's bottom to the top of the building. Good as a dune mix or a concrete mixture. The high demand for residential buildings or shops that require sand as a raw material increases the need for supporting equipment to maximize processing time; one necessary supporting tool is the sand sowing machine. This machine uses 3 (three) levels, which are on the first level to filter gravel, the second level for fine sand between 12-30 mesh, third level for residual in the form of dust sand. In the design of this sieving machine, there is also an eccentric shaft that serves to regulate the forward and backwards movement so that the sifting process can take place. The engine is planned to use a 0.5 kW motor with a rotation of 1500 rpm, while the engine rotation is designed for 300 rpm to sieve the sand with a capacity of 1 m³/minute.
Co-Authors Ardi Taufik Hidayat Bayu Handika S