Kongunadu College of Engineering and Technology(Autonomous)

  Phase Change Materials (PCMs) are widely used in solar air heaters to improve their efficiency by storing excess thermal energy during the day and releasing it during periods of low or no solar radiation (e.g., nighttime or cloudy weather). This ability to store heat helps to smooth out temperature fluctuations and maintain a more consistent air temperature in solar heating systems. Here’s a breakdown of how PCMs are integrated into solar air heaters: MATERIAL SELECTION: PCMs absorb, store, and release latent heat during the phase change, typically between solid and liquid phases. For solar air heaters, suitable PCMs are selected based on: Melting Point: The PCM’s melting temperature should match the desired operational temperature of the solar air heater. Typical PCMs used in solar applications melt at temperatures between 30°C and 80°C. Thermal Storage Capacity: PCMs with high latent heat storage capacity allow efficient energy storage. Common P...

Predictive policing, leveraging artificial intelligence (AI) and machine learning, represents a transformative approach to proactive crime prevention by analyzing historical crime data, demographic patterns, and geographic information. This report explores the development and implementation of AI-driven models to predict crime hotspots and assist law enforcement agencies in resource allocation. Using methods such as multi-density clustering and regression models, the study identifies high-risk areas and forecasts crime trends with increased accuracy compared to traditional techniques. The results demonstrate that predictive policing can significantly improve crime response strategies, helping law enforcement prioritize patrols and allocate resources more efficiently. However, ethical challenges, including privacy concerns and potential biases in AI algorithms, underscore the need for transparent and responsible use of predictive tools. This study provides insights into how AI can shape...

  ABSTRACT: Neem-coated fertilizers represent a significant advancement in sustainable agriculture. Derived from the neem tree (Azadirachta indica), these fertilizers not only supply essential nutrients to crops but also provide natural pest control properties. This dual functionality addresses the growing need for sustainable farming practices while minimizing chemical inputs. The slow-release nature of neem-coated fertilizers enhances nutrient availability, reduces leaching, and promotes healthy soil microbiomes, making them a promising solution in the face of global agricultural challenges. INTRODUCTION: The agricultural sector is under immense pressure due to a rapidly growing population, climate change, and the pressing need for food security. Traditional fertilizers, while effective in increasing crop yields, often contribute to environmental degradation, soil health deterioration, and water pollution. Neem-coated fertilizers offer an innovative alternative that combines ...

  ABSTRACT:      The recent years have seen a sharp increase in interest in nanotechnology because of its numerous uses in fields such materials science, medicine, pharmaceuticals, energy, and catalysis. There are numerous possible uses for such nanoparticles with small to large surface areas (1-100 nm). Sustainable agriculture is necessary today. The creation of nanochemicals has shown promise as insecticides, fertilizers, and agents for plant growth. Utilizing nanomaterials as an alternate means of controlling plant pests, such as weeds, fungus, and insects, has gained attention in recent years. Food packaging uses a variety of nanomaterials as antibacterial agents; silver nanomaterials, in particular, are of particular interest. A variety of nanoparticles, including carbon nanotubes, Ag, Fe, Cu, Si, Al, Zn, ZnO, TiO2, CeO2, and Al2O3, have been shown to have negative impacts. INTRODUCTION:      The world needs creative ways to produce high-quality, ...

  v     Gender Inequality v   Why it is viral in society v   Causes, Consequence v     Traditional Gender roles v     Revolution of Gender rights v   Awareness Gender Inequality                   When peoples are treated or perceived differently because of their gender this is referred to as gender inequality usually it shows up us differences in politics, society, the economy and culture between male women and person of different gender identifies. Traditional ideas traditions, and systematic structures that favor one gender over another. Why it is viral in society                  Numerous historical, cultural, social and economic reasons have contributed to the widespread persistence of gender inequality in society. It is difficult to completely take away these reasons, which frequently permit it to expand thr...

           Corruption is a form of deception a major offence that is pioneered-by the person or society that is consigned by the position of dominion to procure aids or to exploit power for one’s sake.      The basic concept or fundamental root of the corruption is the usage of public sector for the private(individual) gain. It disintegrates the faith in public sector and organization for society.      Corruption is major threat to the entire world but it is the most mandatory in our today’s life. A small paper (sheet) money can provide you everything if you gave it is a bribe even it can give you more than you wanted in a illegal manner. Also throws the qualified person to the ground and makes the unqualified as qualified within a minute. Induces of corruption: 1. Deficiency of operative management and Insufficient Collaboration :      The concerned department are malfunctioning, non administrative and uncontrol...