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All Journal JeLAST : Jurnal Teknik Kelautan , PWK , Sipil, dan Tambang ROTOR: JURNAL ILMIAH TEKNIK MESIN
Andi Hardianto
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Automotive Engineering Civil Engineering, Building, Construction & Architecture Energy Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering

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STUDI EKSPERIMEN BENTUK KACA PENUTUP UNTUK MENINGKATKAN PRODUKTIFITAS DAN EFISIENSI SOLAR STILL Nova Risdiyanto Ismail; Andi Hardianto
ROTOR 2016: ROTOR Special Edition
Publisher : Jurusan Teknik Mesin Fakultas Teknik Universitas Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (513.312 KB)

Abstract

Based on the previous research, it’s needed a research on the development of solar distillation model. The development of a concrete absorbed plate with fin has been conducted and resulted on improving productivity and efficiency of solar still. The development is continued by making a model using the glass covered model with roof shape and V. Experimental method is used in this work. Absorbent plate from concrete with fins models and some gravel are used in this solar still research. The concrete composition is determined by two parts of iron sand and one part of PCC cement. The cover glass design is determined by roof model, V model and conventional model (flat model). Water volume is designed as varied variables. The results show that V model can increase the productivity of freshwater and efficiency of the solar still compared with roof model and conventional model under different water volume. The absorber plate temperature, water temperature and cover glass temperature satisfy the solar radiation pattern. Keywords: solar distillation, cover glass shape, water volume
FAKTOR KOEFISIEN KOREKSI PERHITUNGAN KECEPATAN ARUS MENGGUNAKAN CURRENT METER DAN PELAMPUNG STUDI KASUS SUNGAI JAWI Andi Hardianto; - Kartini; Hari Wibowo
JeLAST : Jurnal Teknik Kelautan , PWK , Sipil, dan Tambang Vol 6, No 3 (2019): JURNAL MAHASISWA TEKNIK SIPIL EDISI DESEMBER 2019
Publisher : JeLAST : Jurnal Teknik Kelautan , PWK , Sipil, dan Tambang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jelast.v6i3.36781

Abstract

Pengukuran kecepatan arus di sungai – saluran biasanya menggunakan alat current meter, jika keadaan darurat maka dapat digunakan pelampung dimana besarnya kecepatan arus dikalikan dengan faktor koreksi. Penelitian ini bertujuan untuk mengetahui besarnya kecepatan aliran, faktor koreksi pelampung, dan korelasi kecepatan aliran dengan meggunakan alat current  meter dan pelampung dalam bentuk persamaan empiris. Kecepatan rata – rata aliran maksimum metode current meter kondisi pasang sebesar 0.066 m/det dan kecepatan rata-rata minimum sebesar 0.001 m/det, sedangkan saat kondisi surut kecepatan rata-rata aliran maksimum sebesar 0.063 m/det dan kecepatan rata-rata aliran minimum sebesar 0.019 m/det. Kecepatan rata – rata aliran maksimum pelampung kondisi pasang sebesar 0.130 m/det dan kecepatan rata-rata minimum sebesar 0.020 m/det, sedangkan saat kondisi surut kecepatan rata-rata aliran maksimum sebesar 0.155 m/det dan kecepatan rata-rata aliran minimum sebesar 0.083 m/det. Faktor koreksi alat ukur pelampung sebesar 0.91. Korelasi maksimum persamaan regresi linier pengukuran aliran dengan current meter dan pelampung y = 2.0763x + 0.0174 nilai R2 sebesar 0.8677 dan R sebesar 0.931 menunjukkan korelasi yang sangat kuat, sedangkan korelasi minimum dalam bentuk regresi power yaitu y = 0.0313e24.597x  nilai R2 sebesar 0.4232 dan R sebesar 0.651 menunjukkan korelasi kuat.Kata kunci: Current meter, Pelampung, Kecepatan Arus, Faktor Koreksi Pelampung, Korelasi Kecepatan Aliran Menggunakan Current meter dan Pelampung.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            
Co-Authors - Kartini Hari Wibowo Nova Risdiyanto Ismail