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Energy and exergy analysis of air based photovoltaic thermal (PVT) collector: a review Ahmad Fudholi; Mariyam Fazleena Musthafa; Abrar Ridwan; Rado Yendra; Ari Pani Desvina; Rahmadeni Rahmadeni; Tri Suyono; Kamaruzzaman Sopian
International Journal of Electrical and Computer Engineering (IJECE) Vol 9, No 1: February 2019
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (768.513 KB) | DOI: 10.11591/ijece.v9i1.pp109-117

Abstract

Photovoltaic thermal (PVT) collectors convert solar radiation directly to both electrical and thermal energies. A PVT collector basiccaly combines the functions of a flat plate solar collector and those of a PV panel. This review presents thermodinamics fundamentals, descriptions, and previous works conducted on energy and exergy analysis of air based PVT collector. Studies in 2010 to 2018 of the energy and exergy analysis of air based PVT collectors are summarized. The energy and exergy efficiency of air based PVT collector ranges from 31% to 94% and 8.7% to 18%, respectively. In addition, flat plate solar collector is presented. Studies conducted on air based PVT collectors are reviewed.
Solar Drying Technology in Indonesia: an Overview Ahmad Fudholi; Abrar Ridwan; Rado Yendra; Ari Pani Desvina; Hartono Hartono; Majid Khan Bin Majahar Ali; Tri Suyono; Kamaruzzaman Sopian
International Journal of Power Electronics and Drive Systems (IJPEDS) Vol 9, No 4: December 2018
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (445.833 KB) | DOI: 10.11591/ijpeds.v9.i4.pp1804-1813

Abstract

The most important benefit of solar energy is renewable and low pollutant source of energy (clean energy). Solar energy technology and research are developing fast and much of the technology needed for these applications in industry and agricultures is already available. Solar drying technology (SDT) is one of the most attractive and promising applications of solar energy technology. In this paper, the various performances of SDTs in Indonesia are summarized with details. Generally, the cabinet-type and tunnel-type SDTs are remarkably well suited to drying small quantities of vegetables and fruit on the household scale. Greenhouse and hybrid SDTs are suitable for use on a large scale by industries.
Pengaruh Debit dan Head Terhadap Daya Mikro Hidro Pada Instalasi Pengolahan Air (IPA) Papaloang Pulau Bacan Tri Suyono; Lita Asyriati Latif; Kifli Umar; Fitra Putra Siko
DINAMIKA : Jurnal Teknik Mesin Vol 3, No 1 (2018): DINAMIKA : Jurnal Teknik Mesin
Publisher : Program Studi Teknik Mesin Universitas Khairun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33387/dinamik.v3i1.1569

Abstract

Pengoperasian Instalasi Pengolahan Air tidak memerlukan energy listrik untuk menggerakkan sistem kimia yaitu pompa dossing dan mixer pengaduk bahan kimia serta lampu penerangan, pada IPA sitem gravitasi kebanyakan lokasinya berada jauh dari permukiman dan akses jalannya kebanyakan cukup sulit, dan tidak tersedia jaringan listrik dari PLN, sedangkan jika menggunakan genset penyediaan dan pengangkutan BBM tidak mudah, sehingga diperlukan solusi pengadaan energy yang tidak tergantung bahan bakar.Sisa tekan air yang mengalir dari intake ke IPA rata-rata diatas 3 bar, atau setara dengan 30 meter kolom air, sehingga masih memiliki potensi untuk dimanfaatkan untuk menghasilkan energy listrik dengan mikro hidro dengan memasang mikro hidro diatas tangki V-note, sehingga air yang masuk dimanfaatkan uintuk menggerakkan mikro hidro sebelum selanjutnya dimasukkan ke tangki V-note untuk dilakukan proses pengolahan sampai mencapai standar air minum yang disyaratkan. Selanjutnya dilakukan pengujian terhadap pengaruh debit dan head terhadap daya mikrohidro dengan melakukan variasi debit, hal tersebut untuk mengatahui performance dari mikro hidro.Dari setiap variasi debit tersebut akan didapatkan data yang digunakan untuk perhitungan dalam mencari beberapa formula dasar, diperoleh hasil daya keluaran generator dan efisiensi total. Pada data hasil perhitungan dimana debit air (Q) = (0,01 – 0,02) m3/s menghasilkan daya keluaran generator (Pg) = (5,02 – 8,97) kW, Pada data penelitian dimana debit air (Q) = (0,01 – 0,02) m3/s menghasilkan daya keluaran generator (Pg) = (4,80 – 8,94) kW dengan efisiensi total (ηT) = (0,727 – 0,759). Maka dapat dinyatakan bahwa semakin besar debit air semakin besar pula daya keluaran dan efisiensi total yang dihasilkan. Hal ini dipengaruhi oleh head, panjang dan diameter pipa pesat, serta kecepatan aliran air. Dengan demikian hasil perhitungan dengan hasil penelitian yang didapat sudah mendekati.
PENGARUH DEBIT DAN HEAD TERHADAP DAYA MIKRO HIDRO PADA INSTALASI PENGOLAHAN AIR (IPA) PAPALOANG PULAU BACAN Tri Suyono; Lita Asyriati Latif; Kifli Umar; Fitra Putra Siko
Journal of Science and Engineering Vol 1, No 1 (2018): Journal Of Science and Enggineering (JOSAE)
Publisher : Fakultas Teknik Universitas Khairun

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (696.23 KB) | DOI: 10.33387/josae.v1i1.749

Abstract

Sustainable water resources management system is a water resources management system that is designed and managed and fully contributes to the community (social and economic) for present and in the future, while maintaining the sustainability of its ecological aspects.This research was under taken by direct observation in the field. Then the data obtained from the field is processed using a computer program. This research activity was carried out in Wasile Timur Village, East Halmahera Regency, North Maluku Province. The results of this study indicate that the diameter of the pipe used is diameter 300 mm, 250 mm, 200 mm, 150 mm, 100 mm, and 63 mm. Based on the variation of the pipe, the maximum pressure is 49.37 m or equal to 4.937 bar while the minimum pressure is 26.39 m or equal to 2.639 bar. As for, the pressure from the results of the analysis meets the distribution network planning criteria, namely a maximum of 9.0 - 12.4 bar and a minimum of 0.5 - 1.0 bar. Maximum flow speed of 0.60 m / s and minimum speed of 0.30 m / sec flow velocity. Analysis results is showed the planning criteria which according to the provisions is a maximum of 2.5 m / sec and a minimum of 0.25 m / sec.
Modified Aluminium Tube Profile to Enhance the Performance of Impact Energy Absorption Witono Hardi; Tri Suyono; Rudi Hartono
Techno: Jurnal Penelitian Vol 11, No 1 (2022): Techno Jurnal Penelitian
Publisher : Universitas Khairun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33387/tjp.v11i1.4044

Abstract

The use of thin-walled structures as impact energy absorbers are well known. The thin aluminum cylinder tube is a good impact energy absorber. However, the energy-absorbing design must also have sufficient toughness. In this research, we made modifications to improve the performance of the thin aluminum tube. The thin aluminum cylinder's modification is prepared by adding four grooves along the wall in the axial direction. Numerical modeling was carried out using the finite element method. The impact test is carried out by  applying a high  speed of 50 m/s  to a hammer that hits the axial direction's specimen. Explicit dynamic analysis is used in this modeling. The reaction force is obtained by measuring fixed support at the end of the tube. The total energy as a function of time is received in this simulation. The explicit dynamic simulation results show that the toughness of the modified specimens increased compared to the original model. The amount of energy per unit time at the start of the collision appears to be higher. Likewise, the total deformation in the modified specimen is shorter than in the original specimen. Thus, until the collision's end, the modified thin aluminum tube specimen provides better performance and absorption of impact energy.
Pesticides and Chemical Fertilizer are not Negatively Impact the Diversity of Entomopathogenic Fungi on Rice Plant in Malang Indonesia Rose Novita Sari Handoko; Aminudin Afandhi; Amin Setyo Leksono; Mufidah Afiyanti; Tri Suyono
Indonesian Journal of Environment and Sustainable Development Vol. 13 No. 1 (2022): Jurnal Pembangunan dan Alam Lestari
Publisher : Postgraduate School Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jpal.2022.013.01.01

Abstract

The conventional system of rice plantation has been applied in Malang, Indonesia. Standard chemical fertilizer and pesticide application were used in this field. Soil samples in rhizosphere of rice plantation showed the existence of several entomopathogenic fungi including Penicillium sp, Aspergillus sp, Trichoderma sp and some unidentified fungi. The diversity value also demonstrated a medium diversity. We conclude that an application of pesticides and chemical fertilizer according to recommended practices, are not negatively affect the diversity of entomopathogenic fungi. Aspergillus sp and Penicilium sp can cause death against Spodoptera litura.