EPH - International Journal of Science And Engineering (ISSN: 2454 - 2016) https://ephjournal.com/index.php/se <p><strong> <span id="cell-1-name" class="gridCellContainer"> <span class="label"> EPH - International Journal of Science And Engineering (ISSN: 2454 - 2016)</span></span></strong> publishes a wide range of high quality research articles in the field (but not limited to) given below: Biology, Physics, Chemistry, Pharmacy, Zoology, Health sciences, Agriculture and Forestry, Environmental sciences, Mathematics, Statistics, Animal Science, Bio Technology, Medical Sciences, Geology, Social Sciences, Natural sciences, Political Science etc.<br><span style="font-size: 1.5em;"><strong> <span style="text-shadow: #ff6600 0px 0px 3px;">Current Impact Factor: 2.435</span></strong></span></p> en-US <ul> <li>All contributor(s) agree to transfer the copyright of this article to <strong>EPH Journal.</strong></li> <li><strong>EPH Journal</strong> will have all the rights to distribute, share, sell, modify this research article with proper reference of the contributors.&nbsp;</li> <li><strong>EPH Journal</strong> will have the right to edit or completely remove the published article on any misconduct happening.</li> </ul> editor@ephjournal.com (Naeem Akhtar) info@ephjournal.com (Naveen Malik) Thu, 31 May 2018 13:16:45 +0000 OJS 3.1.0.0 http://blogs.law.harvard.edu/tech/rss 60 An applied method for estimating the amount of water exchange between the seasonal rivers and aquifer, Case Study: Zayandehroud River in the city of Isfahan https://ephjournal.com/index.php/se/article/view/552 <p><strong>Abstract: </strong>In most cases, the rivers that flow in the alluvial aquifers are hydraulically connected to them. So, in such areas, it is essential to determine the relationship between the river and the aquifer. In this study, hydraulic connection between alluvial aquifer of Isfahan city and Zayandehroud River are evaluated. The main recharge source of this alluvial aquifer is Zayandehroud River. In recent years from March to November, due to the shortage of water and consumption of whole of the river flow rate in the upstream of the Isfahan city, the flow to the Isfahan region is disconnected. Therefore, the November and December are those months which are respectively the end of the dry period and the start of the river flow period. Using the groundwater isopotential maps of the November and December, 2015, the hydraulic connection between the river and aquifer during the dry and wet period was compared. The obtained results show that during the period of water flow in the river, there is an effective connection between river and aquifer. In most places the river recharges the aquifer. In some parts of aquifer in the south of the river, considerable cones of depression caused by heavy pumping have been created which changed the normal pattern of groundwater flow to a forced recharge from the river. Most recharge to the Isfahan aquifer by the river occurs in the western part of the city till the region of Khajo Bridge. The amount of this recharge is about 55028 m<sup>3</sup>/day.</p> Gholam Hossein Karami, Farid Fazileh, Rassoul Ajalloeian ##submission.copyrightStatement## http://creativecommons.org/licenses/by-nc-nd/4.0 https://ephjournal.com/index.php/se/article/view/552 Thu, 31 May 2018 00:00:00 +0000 Global Method Combined with Floquet Modal Analysis to Model an Antenna Based on Rectangular Waveguide Array https://ephjournal.com/index.php/se/article/view/731 <p class="Abstract" style="text-align: justify;"><span lang="EN-GB">In this study, we propose a new formulation based on a global method to model a rectangular waveguide array as antenna. Our method consists to combine the method of moment (MoM), the generalized equivalent circuit method (GECM) and Floquet modal analysis. Looking for rigor, simplicity and rapidity, we repose always on the simple discontinuity in an open rectangular waveguide. So, we extended our pervious works to study in first step an infinite rectangular waveguides array and we achieve with a finite one. For validation purpose, we consider two rectangular waveguides and we compered it whit the same structure studied by direct method in our previous study. Obtained numerical results are presented and discussed. A good agreement is shown and the boundary conditions are verified.</span></p> Abdessalem Kaddouri, Bilel Hamdi, Mourad Aidi, Taoufik Aguili ##submission.copyrightStatement## http://creativecommons.org/licenses/by-nc-nd/4.0 https://ephjournal.com/index.php/se/article/view/731 Thu, 31 May 2018 00:00:00 +0000 Spider hexapod robot based on STM32F429 https://ephjournal.com/index.php/se/article/view/753 <p>A multi-legged intelligent walking robot was developed for the purpose of industrial inspection in this paper. The robot described in this article is STM32F429 as the main control chip, equipped with ultrasonic module for automatic obstacle avoidance, gyro module for direction designation, voice module for command control, temperature and humidity, camera sensor for data collection, through the serial port to the rudder with atmega328 chip The machine control board sends the serial port commands to form a closed-loop automatic control to realize the integrated control of 18 servos, and achieve the purpose of automatically inspecting and collecting environmental data in real time in the factory.</p> Greg *, Wang Weiqi, Wang Aogang, Dong Huaxiong, Zhu Yuxin, Zhou Yun ##submission.copyrightStatement## http://creativecommons.org/licenses/by-nc-nd/4.0 https://ephjournal.com/index.php/se/article/view/753 Thu, 31 May 2018 00:00:00 +0000