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Abdul Hamid
Mercu Buana University
Aerospace Engineering Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Mechanical Engineering

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EXPERIMENTAL STUDY ON THE PERFORMANCE OF A SPIRAL TYPE HORIZONTAL AXIS WIND TURBINE DUE TO THE EXPANSION OF THE INNER DIAMETER OF THE TURBINE Dhimaz Rifqy Wianda; Abdul Hamid
Jurnal Teknik Mesin (Journal Of Mechanical Engineering) Vol. 15 No. 01 (2026)
Publisher : Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/jtm.v15i01.18700

Abstract

The significant increase in consumption of electricity from fossil fuels encourages the search for renewable energy sources and wind is one of the renewable energy sources which can be utilized using a horizontal axis wind turbine (HAWT). In this case, a drag and lift model with a spiral type was chosen, adjusting to Indonesia's geography with low wind speeds using the wind tunnel testing method. The purpose of this study was to verify the performance of the two nine-blade TASH type spiral models due to the influence of the expansion of the inner diameter of the turbine, namely the normal diameter of 50mm and the expanded diameter of 65mm. The turbine has a rotor length of 120 mm and an outer diameter of 272 mm. Turbine performance is assessed through measured parameters such as actual power value, torque value, rotor speed and power coefficient, torque coefficient, and tip speed ratio (TSR) as non-dimensional parameters. The research was carried out in a series of laboratory tests through a wind tunnel with various wind speeds from 1 m/s to 10 m/s. The test results are then calculated for the Coefficient Power and Coefficient Torque against the Tip Speed Ratio (TSR). From the calculation results produce an effective value with an air gap of 65mm Cp and efficient TSR values at a wind speed of 5 m/s with a rotational speed of 165 rpm with a Ct of 0.31. While the value of Cp and TSR at a wind speed of 5 m/s is 0.072 and 0.23.
FIELD TEST STUDY ON WIND TURBINE PERFORMANCE HORIZONTAL AXIS THREE SPIRAL BLADES RELATED TO SOLIDITY NUMBER EFFECTS Yudi Wantoso; Abdul Hamid
Jurnal Teknik Mesin (Journal Of Mechanical Engineering) Vol. 15 No. 01 (2026)
Publisher : Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/jtm.v15i01.27939

Abstract

Abstract—The use of electrical energy in Indonesia is currently very high, but the energy used is still dominated by fossil energy, even though the potentials for alternative energy in Indonesia is very large and cannot be utilized properly, one of which is wind energy. Wind power plant are renewable power plants where the use of renewable energy is expected to be able to replace energy sourced from fossils which are limited in number. This research was conducted using a three-blade spiral horizontal axis wind turbine (TASH) related to the effect of solidity number with the aim of knowing the performance of TASH with a diameter of 1.536 m. The method used is this study is a field test at the Tanjung Pasir beach, Tangerang Regency, Banten. TASH performance is assessed by measured parameters such as voltage value, generator output current and torque value; also, non-dimensional parameters such as power coefficient, torque coefficient, CT, and the value of Tip Speed Ratio, TSR, generated due to TASH rotation at each wind speed from 1 m/s to 6 m/s. Field test results obtained. Experimental actual power = 9.991 watts, torque value = 6.0 Nm (wind speed 5 m/s), Power coefficient, CP = 0.066 and Torque coefficient, CT = 0.674 at 2.0 m/s wind speed, Solidity number = 0.976
Co-Authors Dhimaz Rifqy Wianda Yudi Wantoso