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The flow in a manifolds considered as an advanced problem in hydraulic engineering applications. The objectives of this study are to determine; the uniformity qn/q1 (ratio of the discharge at last outlet, qn to the discharge at first outlet, q1) and total head losses of the flow along straight and rectangular loop manifolds with different flow cond...
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... pressure sensors were connected to a data logger and the later was linked to a computer as shown in Fig. 3. A special program which convert the readings of each sensors with time to a digital reading and it displayed on the computer screen. Each sensor can read a pressure between 0 to 207 kPa. The total number of sensors were 22 with an accuracy of 3%. In all experiments pressure measurements by the sensors were counter checked by using ...
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This paper deals with optimization of groundwater resources management in semi-infinite aquifers. In particular, minimization of the cost due to pumping and amortization of the construction of the pipe network, which connects the wells with a central water tank, is investigated. Solving such problems requires combination of an optimization and a fl...
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... e experimental environment of this paper is configured as follows: Intel (R) Xeon (R) CPU e5-2650 V4 @ 2.20 GHz; 128 G DDR4 memory; Titan XP model GPU; CUDA version 10.1. e experimental code is implemented by Python of version 3.6, Keras framework, and multiple third-party machine learning libraries and tested and run in Anaconda3 environment [16]. ...
In order to solve the problem that it is difficult to find evidence from a large number of legal document statements and the irrelevant statements in a large number of document sample data will cause a great interference to the prediction results and further improve the accuracy of evidence prediction, this paper puts forward an intelligent evidence criterion prediction method for legal documents based on the comprehensive consideration of legal problems, the nature of statements, and the characteristics of answers. The binary cross-entropy of different statements is used to obtain the interaction information between different statements. Through experiments, it is found that the score of Joint F1 proposed in this paper is 70.07%, which is more accurate than the mainstream model and also verifies the effectiveness of the scheme.
... The wind rose analysis showed that the dominant wind directions for the studied sites are the North and the West (Figure 8). Other power systems [42][43][44][45][46][47][48][49][50][51] may be inteegrated in the future. ...
Details on the wind potential during a period of about thirteen years in Algeria is given in the present work. The inspection is performed for sixteen regions covering almost all the territory of the country. The density of the mean wind power is determined for the different regions. The maps of annual and seasonal wind energy resources are also established. The characteristics of the wind velocity, as well as the potential of wind power, are determined by the Weibull distribution. From the given results, the highest values of annual mean wind speed and the annual mean wind power density are found in Adrar (P10 = 283.12 W/m2 and P50 = 646.91 W/m2), while the lowest values are observed in Skikda (P10 = 40.61 W/m2 and P50 = 115.51 W/m2, respectively).
... While water bodies can naturally improve the thermal comfort levels in outdoor spaces through evaporation effect [10,11]. Other studies with different thermal issues and differentiated solutions [12][13][14][15][16][17][18][19][20][21]. ...
Natural design has become the key solution to promote attractive and comfortable outdoor spaces. This study aims to investigate the effect of natural elements; vegetation and water bodies to enhance the outdoor thermal comfort levels of Martyrs square located in Guelma city, Algeria in summertime. The scientific methodology was based in measuring microclimate parameters at multiple locations within the square during the hottest period of 2019, to be used as input to simulate four scenarios investigating the role of natural elements on outdoor thermal comfort using Envi-Met model. Microclimatic variation and PET index were obtained over a period of 12 hours and used to quantify the thermal outdoor comfort levels in different simulations. Findings indicate that the current natural design generates three hierarchical levels of thermal comfort; morning level where PET ≤ 45°; afternoon level where 45° ≥ PET ≥ 41° and evening level PET ≤ 38°. Removing natural elements in scenario 2 and 3 has significantly influenced the thermal comfort levels, the thermal local effect of the water body in daytime is considered as negligible compared to vegetation where PET was over 53°. The natural design strategy generates two thermal comfort levels; morning and evening period with PET ≤ 41° and afternoon level with PET ≥ 48°. The results reveal that combining linear water bodies with dense trees can reduce the PET index to 9.5 °C in the morning period.
