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Research Paper

Study on heat transfer analysis of AC condenser by varying materials and refrigerants

An AC condenser is a vitally important part of an air conditioning system that performs much of the cooling function. The condenser causes latent heat rejection by the refrigerant. The design of the condenser can vary from system to system. One of the most commonly used designs is the finned tube design. The material of the tubes and the fins, become the decisive factor in the rate of heat rejection and ultimately in the performance of the condenser. In this work, an air-cooled finned tube condenser is designed for a vapor compression cycle-based air conditioning system. The modeling is done using Solidworks and the fluid flow and heat transfer analysis are done in Ansys. To evaluate the effects of different materials on the performance of the condenser, copper is used as the tube material while, Aluminium alloys, 1060, 6060, and 7050 are used for fins. Two different types of refrigerants, namely, R32 and R134a have been used for analysis. Thermal analysis is done to determine the temperature distribution and heat flux for different sets of materials and different refrigerants. By comparing the results obtained with different combinations, the optimal combination can be determined.

Published by: Vemula Nagarjuna, Vasili Srinivas

Author: Vemula Nagarjuna

Paper ID: V7I4-1720

Paper Status: published

Published: August 9, 2021

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Research Paper

Web-based system for face mask detection and face recognition

Even though people are now getting vaccinated, it might still take time for things to come back to normal. Until then, wearing masks and social distancing is the most effective preventive measure against the spread of COVID-19. This leads to the necessity of a system that will detect face masks in real-time video streams. Our solution detects whether a person is wearing a mask or not. If he/she is not wearing a mask then his/her photo would be captured and given as input to a face recognition system that will identify the person. The solution further provides the person’s information to the administrator and allows him to take any further action if needed. The above solution is implemented using neural networks to detect masks and the website is created using the Google Flutter framework. The ‘Web-Based System for Face Mask Detection and Face Recognition can be used to ensure the safety of people by implementing it in the large crowd gathering places like college campuses and offices.

Published by: Pranjal Rane, Ritvik Patil, Ojas Natu, Prahlad Pore, Pranay Shridhar

Author: Pranjal Rane

Paper ID: V7I4-1684

Paper Status: published

Published: August 9, 2021

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Research Paper

Smart crop protection system from wild animals and birds using IoT

In forest zone and agricultural fields human-animal conflict is a major problem. Due to those attacks, people lose their crops, livestock, property, and sometimes their lives. So this zone is to be monitored continuously to prevent the entry of wild animals. With regard to this problem, we have made an effort to develop a system which will monitor the field. The system will detect intrusion around the field using a camera that will capture the image of the intruder and sends notifications to farm owners and forest officials using Message. India is an agricultural country. Agriculture has always been India’s most important economic sector. Wildlife tracking involves acquiring information about the behavior of animals in their natural habitat. This information is used both for scientific and conservation purposes. The primary form of information that needs to be obtained is the location of the animal at certain points in time and this is generally referred to as tracking or radio–tracking.

Published by: Sumana P. B., Sanjana.R, Sharanya.M, Harish.N.J

Author: Sumana P. B.

Paper ID: V7I4-1724

Paper Status: published

Published: August 9, 2021

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Research Paper

Advancement in filtration techniques of air purifier

The air purifier industry has seen growth in terms of demand and sales. All credit goes to massive industrialization in developing and developed countries. As a result, a lot of research has been focused on the various methods of purifying the air. The effect of air pollution on health is complex and their individual impact varies from one another. It is not only the ambient air quality in the cities but also the indoor air quality in the rural and urban areas that are causing concern. In fact, in the developing world, the highest air pollution explosion occurs in an indoor environment. This paper deals with a sterilizer that integrates multiple layers of filtration, purification, sterilization, and air freshening. This air sterilizer consists of multiple layers of filters. It is capable of purifying indoor pollutants like particulate matter PM1.0, PM2.5, microparticles, smoke, the peculiar smell in the air and reduces hazardous materials such as benzene, amici, fungi, molds, and formaldehyde, etc. also at the same time it can kill bacilli and organic substances in the air. It also destroys air-borne viruses and infecting germs like TB, Influenza, Dengue, Allergies, etc.

Published by: Rima Nandurkar, Pallav Kumar Gopal

Author: Rima Nandurkar

Paper ID: V7I4-1685

Paper Status: published

Published: August 9, 2021

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Review Paper

Forensic podiatry evidence and admissibility in court

Daubert standard is a set of criteria used to determine whether expert testimony is admissibility in Court. Under the Daubert standard, the trial judge serves a role as the “gatekeeper” who determines whether expert testimony is considered reputable and relevant. Similarly, the judge employs a Dubert test to verify whether the testimony of the expert is based on scientifically valid reasoning and whether it has been properly applied to the facts of the issue [1][2]. The procedure of scientific examination that fails to comply with the Daubert standard may result in the rejection of any expert testimony in the court. In the matter of footwear impression evidence examination, the evidence of footwear impression identification was first accepted in court in 1786 in the Richardson case at Kirkcudbright in Scotland [3]. Footwear impression evidence has been accepted in the US Court since the 1930s. The techniques and methods used in footwear evidence examination are widely accepted in several forensic science communities and the ACE-V methods have been described in numerous forensic journals, books, and seminars around the world. Evidence of footwear impression is regularly accepted in courts in the United States, Canada, and Europe as well as other many countries in the world but so far several Indian courts have ruled that the footprint and footwear impression evidence is a “rudimentary science” and they cannot be safely relied upon. [4][5][6]

Published by: Harendra Nath Singh

Author: Harendra Nath Singh

Paper ID: V7I4-1721

Paper Status: published

Published: August 9, 2021

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Research Paper

A speculation technique for the stock market using time series

Using ARIMA (Auto-Regressive Integrated Moving Average) which is a model, this research study presents a method for anticipating stock market values. To begin, historical stock price data is gathered and pre-processed. Pre-processing is a subcategory of Data Mining in which raw original data is processed into a specified format so that the model can use it. Pre-processing is done to fill in the missing values and arrange the data based on the qualities required for developing the prediction model because the raw data to be processed is partly partial or inconsistent with certain errors and missing values. After the data has been filtered and classified, it is standardized by transforming it into a common format that can be used to train the prediction model. The obtained data is then divided into two data - training and testing data, with the majority of the data being used to train the model. And using the variables linked with the stock price, the testing data is fed to the ARIMA model to predict the corresponding stock price on a particular date. The results are used to determine the model's accuracy.

Published by: Rajesh K. S., B. S. Darshith, Amaresh A. Channad, Amaresh R. Vasisth, G. Jayavardhan

Author: Rajesh K. S.

Paper ID: V7I4-1715

Paper Status: published

Published: August 9, 2021

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