Saturday, December 12, 2020

Seismic Analysis of Irregular Building Frames with Soil Structure Interaction

Seismic response of structure is extremely complex because of non linear behaviour soil during earth quakes. Seismic design of structure is generally carried out assuming fixed based ignoring the flexibility of soil. The purpose of the study is to describe and investigate different approaches of considering soil flexibility in the soil structure interaction SSI with regard to response in the super structure. In the present work, to illustrate the effect of soil –  stricture interaction on the seismic response of frame structure, irregular frame 15 storey having consider with based supported as fixed with an without considering the soil structure interaction. Building are model in SAP 2000. Three type of soil i.e. hard, medium hard, soft soil are used to in SSI –  study. the soil is model as spring model or elastic continuum FEM , and stiffness is calculated by using the gerorge gazettes equation. The effect of SSI on various structural parameter i.e. natural time period, based shear, roof displacement, are studed and discuss. The main objective in using this earthquake was, to find out of the structure when heat by long duration and see the how the response of modified, when the soil effect are taken into considerate.


 

by Sumit S. Chaudhari | M. R. Nikhar | V. A. Kalmegh "Seismic Analysis of Irregular Building Frames with Soil Structure Interaction" 

Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-5 | Issue-1 , December 2020, 

URL: https://www.ijtsrd.com/papers/ijtsrd38125.pdf

Paper URL : https://www.ijtsrd.com/engineering/structural-engineering/38125/seismic-analysis-of-irregular-building-frames-with-soil-structure-interaction/sumit-s-chaudhari

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Friday, December 11, 2020

Results of Sulfuric Acid Leaching of Ash from Oil Shale from Aktau Deposit

Hydrometallurgical methods are aimed at leaching to extract valuable components into a sulfuric acid solution, as well as selective extraction on ion exchange resins by sorption of valuable components such as vanadium oxide and molybdenum oxide. The presented methods are not implemented on an industrial scale, since there is no processing of oil shale in the Republic. A prospective scheme for processing ash from oil shale deposits has been analyzed. It includes the addition of sodium chlorine to the heat treatment process pyrolysis , the resulting ash is leached in vats with sulfuric acid 130 g l, at room temperature, S W = 1 3, duration 60 minutes. The resulting metal bearing sulfuric acid solution is filtered and sent to sorption, as well as precipitation. The extraction of metals into solution is more than 60 70 molybdenum and vanadium. It should be noted that with an increase in the consumption of sulfuric acid over 130 g l, the concentration of metals in the productive solution does not increase. For the extraction of metals from the productive solutions of leaching ash from oil shale in the Aktau deposit, the following ion exchange resins of the England Company PUROLITE were used for the extraction of molybdenum grade A 100 and vanadium grade A 109. 


by Almatov Ilhomjon Mirzabek Ogli "Results of Sulfuric Acid Leaching of Ash from Oil Shale from Aktau Deposit" 

Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-5 | Issue-1 , December 2020, 

URL: https://www.ijtsrd.com/papers/ijtsrd38091.pdf

Paper URL : https://www.ijtsrd.com/engineering/mineral-and-metallurgical-engineering/38091/results-of-sulfuric-acid-leaching-of-ash-from-oil-shale-from-aktau-deposit/almatov-ilhomjon-mirzabek-ogli

internationaljournalsofcomputerscience, callforpapercomputerscience, ugcapprovedjournalsforcomputerscience 

Review on High Gain and High Performance N Polar GaN MIS HEMT at 30 GHz

The GaN HEMTs are well suited for receiver applications. But non linearities, such as third order inter modulation products can lead to signal distortion. Such non linearities are dominated by transconductance and its derivatives. A modified device structure of N polar GaN MIS HEMTs designed for high gain, have excellent linearity performance for low power receiver applications at 30 GHz. An OIP3 PDC of up to 15dB is demonstrated at 30 GHz using a vector receiver load pull system.


 

by Padmam Gopinath Kaimal "Review on High Gain and High Performance N-Polar GaN MIS-HEMT at 30 GHz" 

Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-5 | Issue-1 , December 2020, 

URL: https://www.ijtsrd.com/papers/ijtsrd38158.pdf

Paper URL : https://www.ijtsrd.com/engineering/electronics-and-communication-engineering/38158/review-on-high-gain-and-high-performance-npolar-gan-mishemt-at-30-ghz/padmam-gopinath-kaimal

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Implementation of Plastic Waste in Manufacturing of Paving Blocks for Different Shapes

Block Paving is a commonly used decorative method of creating a pavement or hard standing. The main benefit of Paving Blocks Over other materials is that it can later be replaced. Also from Asthetic point of view, Pavers are good. Paving Blocks are generally used for Pedestrian, Parking, etc. Different types of manufacturing methods are now carried out to use some non degrade able material. Plastic Waste is increasing day by day which pollutes the environment. So, it is very much important to implement these waste material such that it can be used for different purposes like recycling and reusing. The disposal of waste plastics PET, PP, etc. is a biggest challenge, as repeated recycling of PET bottles poses a potential danger of being transformed to a carcinogenic material and only a small proportion of PET bottles are being recycled. Because of costly conventional recycling techniques, there has been an increased demand for more scientific and innovative technologies to effectively recycle these materials. But it is not completely possible to reuse and recycle those waste again and again due to danger of cancer. In this project we will use plastic waste in the manufacturing of paving blocks for different shapes and compare their strengths. 



by Rugved G. Wankhade | Dr. S. G. Makarande | Prof. R. S. Kedar "Implementation of Plastic Waste in Manufacturing of Paving Blocks for Different Shapes" 

Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-5 | Issue-1 , December 2020, 

URL: https://www.ijtsrd.com/papers/ijtsrd38110.pdf

Paper URL : https://www.ijtsrd.com/engineering/structural-engineering/38110/implementation-of-plastic-waste-in-manufacturing-of-paving-blocks-for-different-shapes/rugved-g-wankhade

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Dynamic Heat Transfer modeling, and Simulation of Biomass Fermentation during Beer Processing

The study focuses on the modeling of the temperature profile during the fermentation of beer and the selection of the modelled temperature to simulate the growth of a microorganism, the consumption of proteins and the formation of aromatic compounds ketone and esters . The objective of the study was to determine how to select the best temperature for beer fermentation and how a portion of the biochemical reaction occurs with the controlled selected temperature. Finite element modelling has been used for heat transfer modelling and COMSOL Multiphysics version 5.3 has been used for implementation. Version 17 of MATLAB was used to simulate biochemical changes with the chosen temperature. The simulated results showed that at high coolant flow, a low temperature profile was recorded over the fermentation time. As such, the observed temperatures were 1.2m3 hr, 1.3m3 hr and 1.6m3 h, 20 oC, 18 oC and 12.5 oC, respectively. The modelled vorticity results also indicated that at a flow rate of 1.2m3 hr, there was a consistent flow of liquid around the agitation center relative to other coolant flows. Isoleucine was exhausted after 13hr at 12.5°C, 80hr at 18°C and 16hr at 20°C from the start of fermentation. The simulated results also indicated that ethyl acetate had reached a hold back value of 0.114mol m3 at 70hr at 12.5oC, 30hr at 18oC, and 22hr at 20oC. However, isoamyl acetate retained a retention value of 0.0105 mol m3 until the initial concentration of sugar and amino acids was exhausted throughout fermentation at all selected temperatures. Valine decreased to nearly 195hr at 12.5°C, 120hr at 18°C and 85hr at 20°C. The simulated nutrient results were again shown to be zero in 210hr at 12.5°C, 110hr at 18°C and 90hr at 20°C of luicine consumption. 


by Bayisa Dame Tesema | Solomon Workneh | Carlos Omar "Dynamic Heat Transfer modeling, and Simulation of Biomass Fermentation during Beer Processing" 

Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-5 | Issue-1 , December 2020, 

URL: https://www.ijtsrd.com/papers/ijtsrd38009.pdf

Paper URL : https://www.ijtsrd.com/engineering/chemical-engineering/38009/dynamic-heat-transfer-modeling-and-simulation-of-biomass-fermentation-during-beer-processing/bayisa-dame-tesema

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Thursday, December 10, 2020

Gas Bubble Tracking During Casting Filling Process

During numerical simulation, one of the biggest challenges is to simulate the smallest air bubbles that can be entrained in the metal. In fact, in common fluid dynamic simulation of casting process filling each time a region of air gets smaller than the element size it disappears, losing all the information about its presence and the possible defects that this implies. If the engineers with enough experience and good background, who can track the regions of air entrapped during the filling process and check manually where they, especially the last ones, close up and disappear. However, this approach is too approximated and does not keep in account the final movement displacement of the bubble.


 

by Dr. Xiaojun Yang | Miss. Rajeshwari Sanjay Rawal "Gas Bubble Tracking During Casting Filling Process" 

Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-5 | Issue-1 , December 2020, 

URL: https://www.ijtsrd.com/papers/ijtsrd38111.pdf

Paper URL : https://www.ijtsrd.com/engineering/mechanical-engineering/38111/gas-bubble-tracking-during-casting-filling-process/dr-xiaojun-yang

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Determination of Various Diseases in Two Most Consumed Fruits using Artificial Neural Networks and Deep Learning Techniques

Fruit diseases are manifested by deformations during or after harvesting the components in the fruit, when the infestation is caused by spores, fungi, insects or other contaminants. In early agricultural practices, it is thought that non destructive examination is possible with the analysis of pre harvest fruit leaves and early diagnosis of the disease, while post harvest detection and classification of fruit disease is possible by evaluating simple image processing techniques. Diseases of rotten or stained fruits without destruction. In this way, the disease will be identified and classified and the awareness of the producer for the next harvest will be provided. For this purpose, studies were carried out with apple and quince fruit, images were determined using still fruit pictures and machine learning, and disease classification was provided with labels. Image processing techniques are a system that detects disease made to a real time camera and prints it on the screen. Within the scope of this study, the data set was created and images of 22 apples and 18 quinces were taken. The image was classified by similarities in the literature review. The success of the proposed Convolutional Neural Network architecture in recognizing the disease was evaluated. By comparing the trained network, AlexNet architecture, with the proposed architecture, it has been determined that the success of image recognition has increased with the proposed method. 


by Aysun Yilmaz Kizilboga | Atilla Ergüzen | Erdal Erdal "Determination of Various Diseases in Two Most Consumed Fruits using Artificial Neural Networks and Deep Learning Techniques" 

Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-5 | Issue-1 , December 2020, 

URL: https://www.ijtsrd.com/papers/ijtsrd38128.pdf

Paper URL : https://www.ijtsrd.com/engineering/computer-engineering/38128/determination-of-various-diseases-in-two-most-consumed-fruits-using-artificial-neural-networks-and-deep-learning-techniques/aysun-yilmaz-kizilboga

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