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All Journal Jurnal Teknologi Pertanian Jurnal Teknik Pengairan: Journal of Water Resources Engineering
Aniek Masrevaniah
Program Studi Kajian Lingkungan dan Pembangunan, Program Pascasarjana, Universitas Brawijaya,,Jl. MT. Haryono 169, Malang Jurusan Teknik Pengairan, Fakultas Teknik, Universitas Brawijaya, Malang, Indonesia
Agriculture, Biological Sciences & Forestry Computer Science & IT Engineering

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Journal : Jurnal Teknologi Pertanian

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The Calibration and Performance Evaluation of Rainfall Simulator Rahadi, Bambang; Soemarno, Soemarno; Masrevaniah, Aniek; Priyono, Sugeng
Jurnal Teknologi Pertanian Vol 9, No 3 (2008)
Publisher : Fakultas Teknologi Pertanian Universitas Brawijaya

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Abstract

Rainfall simulator is important for studying hydrology and erosion in laboratory.  The most important parameter for studying the performance of rainfall simulator is rain intensity, drop size distribution, drop mass, drop impact velocity, and kinetic energy.  They are evaluated by uniformity coefficient (UC) and distribution uniformity (DU). This research was aimed to study the functional performance of rainfall simulator including determination of the correlation between pressure with rainfall parameters (rain intensity, drop size distribution, and kinetic energy) and rainfall simulator performance evaluation based on uniformity coefficient and distribution uniformity.  The data was analyzed by using linear regression and evaluated by uniformity coefficient and distribution uniformity.The result showed that pressure had linear relationship with rain intensity, diameter drop distribution, drop impact velocity, dropped mass, and kinetic energy.  The coefficient uniformity (CU) of the pressure 2.5 psi-6.5 psi  more than 80% and the distribution uniformity (DU) more than 70%. The rainfall simulator had better performance at the pressure of 2.5 psi than 6.5 psi.Keywords: rainfall, simulator, performance
Co-Authors Agil Priyanto Andre Primantyo Arief Satria M. Bambang Rahadi Dian Sisinggih Dwi Adi Cahyono Dwi Priyantoro Dwi Priyantoro Eka Agus Subiyantoro Ery Suhartanto Hari Prasetijo Heri Suprijanto Hery Suprijanto Lily Montarcih Limantara M. Solichin Mochammad Ibrahim Moh. Hilmi Noor Dinda Febrianingrum Pitojo Tri Juwono Reni Fatmawati Soemarno Soemarno Sugeng Priyono Suwanto Marsudi Very Dermawan Viari Djajasinga Widandi Soetopo Yuli Astuti