Analysis of water application with semi-portable big size sprinkler irrigation systems in semi-arid areas

Sheikhesmaeili, O; Montero, J.; Laserna, Santiago

doi:10.1016/j.agwat.2015.10.004

Cited by 32 publications

(15 citation statements)

References 29 publications

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“…The water droplet heat and mass transfer at humid atmospheric air is taken into account when assessing atmospheric appearance and creating climate models [1]. Water spray application in air conditioning [2], fire suppression [3][4][5][6][7], gas cooling [8,9] and agricultural irrigation systems [10,11] can be considered as traditional. Heat and mass transfer processes are applied for surface treatment [12][13][14] and protection [15][16][17][18], cooling towers [19][20][21]9,22], washing processes [23][24][25], water freezing and crystallization [26][27][28], aerosols [29,30], gas turbines [31][32][33][34][35], heat recovery from humid flue gas [36,37], NO x reduction in fuel combustion [38][39][40], water and fuel emulsions [41][42][43][44], plasma technique [45]<...>…”

Section: Introductionmentioning

confidence: 99%

Peculiarities of the transit phase transformation regime for water droplets that are slipping in humid gas

Miliauskas

Maziukienė

Ramanauskas

2016

International Journal of Heat and Mass Transfer

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Section: Introductionmentioning

confidence: 99%

Peculiarities of the transit phase transformation regime for water droplets that are slipping in humid gas

Miliauskas

Maziukienė

Ramanauskas

2016

International Journal of Heat and Mass Transfer

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“…The conventional sprinkler irrigation system is widely used in Brazil (Alves et al, 2017). However, this system does not operate at its maximum efficiency under adverse weather conditions, such as high temperature, low air humidity, and high wind speed, wasting water, bad fertilizers solubilization, and instability in electrical network (Molle et al, 2012;Sheikhesmaeili et al, 2016).…”

Section: Introductionmentioning

confidence: 99%

Predictive Models of Water Application and Distribution Efficiency in Conventional Sprinkling

et al. 2020

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Correct determinations of distribution (Ed) and application (EA) efficiencies allow adequate estimations of the gross irrigation depth. This study aimed: i) to determine the distribution efficiency using the Christiansen uniformity coefficient (CUC) in a sprinkler irrigation system under different weather conditions and working pressures; ii) to compare the mean, median, and cumulative CUC values; and iii) to evaluate the predictive capacity of four EA estimation models.CUC values were determined from 80 assessments, as well as the mean, median, and cumulative. The precipitated water depth accumulated in each collector was considered for the accumulated CUC. More uniform evaluations were used for EA (working pressure of 196 kPa), resulting in 20 samples. Besides being measured, EA was estimated by Keller & Bliesner, Playán, Tarjuelo, and Beskow methods. Statistical indicators were the root mean square error, mean bias error, Willmott agreement index, mean absolute error, and Pearson correlation coefficient.CUC values ranged from 66.51 to 92.04%, and the accumulated CUC provided an improvement over the isolated evaluations. The Beskow model had the best EA estimations in conventional spraying.

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“…Keseragaman irigasi perforasi terjadi semakin kecil jika kemiringan semakin besar dengan nilai minimum 85% dan tertinggi 91%. Pancaran perforasi yang besar diperoleh pada kemiringan transmisi 20º dan 30º yaitu 2.66 m dan 2.40 m. (Sheikhesmaeili, Montero, & Laserna, 2016 dalam Tusi & Lanya, 2016). (Triatmodjo, 2003).…”

Section: Abstrakunclassified

Keseragaman Dan Pancaran Irigasi Pipa Perforasi Pada Berbagai Kemiringan Pipa Transmisi

Negara

Saidah

Yasa

et al. 2021

PADURAKSA: Jurnal Teknik Sipil Universitas Warmadewa

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Potensi lahan kering yang berbukit perlu dikembangkan untuk usahatani lahan terbatas guna terjadi pemerataan ketahanan pangan diberbagai wilayah yang potensial. Banyak lahan kering yang ada terutama pada daerah yang berbukit dan berlereng belum dikelola optimal untuk pertanian karena terbatasnya dukung teknik irigasi yang praktis. Pemanfaatkan perbedaan elevasi lahan yang ada merupakan potensi yang dapat dimanfaatkan oleh Teknik irigasi yang membutuhkan tekanan air. Teknik irigasi sistem pipa perforasi memiliki kesamaan dengan sistem sprinkler mini karena menggunakan tekanan air, dan sangat mungkin dapat diterapkan pada kondisi lahan berlereng, akan tetapi kemampuan sistem perforasi yang perlu diketahui lebih lanjut agar dapat dimanfaatkan untuk irigasi yang praktis. Untuk itu perlu dilakukan uji sistem irigasi perforasi dengan variasi kemiringan tertentu terhadap besarnya jangkauan pancaran dan keseragamannya, agar nanti dapat digunakan sebagai acauan awal.Model uji menggunakan sumber air dari tendon setinggi 3.7 m dan dengan tangki kapasitas ± 200 liter. Diameter pipa transmisi ½ inch dengan panjang 2.55 meter, dan pipa lateral sebagai pipa perporasi dengan lubang 3mm terdiri dari 3 pipa dengan panjang pipa 4 meter diameter 1/2 inch dan jarak antar lubang pipa perporasi 0,60 m. Uji dilakukan terhadap 4 variasi kemiringan 10º, 20º, 30º dan 40º dengan 4 variasi head 1= 2.855 m, head 2 = 2.35 m, head 3 = 1.85 m dan head 4 = 1.30 m. Berdasarkan hasil penelitian menunjukkan bahwa, semakin besar kemiringan pipa transmisi maka head yang dihasilkan semakin tinggi. Keseragaman irigasi perforasi terjadi semakin kecil jika kemiringan semakin besar dengan nilai minimum 85% dan tertinggi 91%. Pancaran perforasi yang besar diperoleh pada kemiringan transmisi 20º dan 30º yaitu 2.66 m dan 2.40 m.

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Analysis of water application with semi-portable big size sprinkler irrigation systems in semi-arid areas

Cited by 32 publications

References 29 publications

Peculiarities of the transit phase transformation regime for water droplets that are slipping in humid gas

Peculiarities of the transit phase transformation regime for water droplets that are slipping in humid gas

Predictive Models of Water Application and Distribution Efficiency in Conventional Sprinkling

Keseragaman Dan Pancaran Irigasi Pipa Perforasi Pada Berbagai Kemiringan Pipa Transmisi

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