Volume 6, Issue 10, Oct 2017


Evaluation of Energy in Residential Building by Using Energy Efficient Solar Glazing Window in Different Climatic Zone

Authors: Preeti Rajput, Archana Paranjpe

Abstract- Buildings consume plenty of power for providing thermal and visual comfort inside the buildings. This paper aims at presenting the experimental results of spectral optical properties of the most widely used window glazing materials. The window glazing materials studied include clear glazing, bronze glazing, green glazing and grey coloured glazing materials. To properly calculate dynamic solar gain in buildings, one must know the optical properties of the window in detail. In this paper, we develop a complete set of calculation procedures for determining the solar transmittance, reflectance, and absorptance of a window composed of an arbitrary number of partially transparent layers. Any layer may have a thin-film multilayer coating, such as an anti- reflection coating for increasing solar transmittance, a solar control film for reducing solar heat gain, or a transparent heat-reflecting mirror for improving thermal resistance. The results of sample calculations of 1 month electricity bill will be compared by using solar passive window that, how much energy will be consumed and further it will be applied. It is experimentally obtained spectral optical property data from spectrophotometer for the computation of transmission and reflection of window glasses.. The heat gain through different glass windows of eight coordinal orientations such as east, west, north, south, northeast, northwest, southeast and southwest in four climatic zones of India was investigated. The solar radiation through south oriented glass was found to be the least among all other orientations studied in four Indian climatic zones. The cooling load through south oriented bronze, glass, green glass and grey glass window were reduced by 23%, 31% and 37%, respectively, as compared to the south oriented clear glass window in four climatic zones of India. The grey glass window is observed to be the most energy efficient as it reduces maximum cooling loads within the building as compared to the other considered glazing materials. The results of this paper are helpful in designing energy efficient residence buildings for reduced cooling loads.

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Alignment for BSVI Stipulation Moving Towards Carbon Neutral Earth

Authors: Dr. S. Rajadurai, Naveen. S

Abstract - The automotive fraternity is trying to encompass the latest emission regulation to control the ever rising pollution and keep a check on the amount of harmful gases that are emitted to the atmosphere to synchronize with the current global scenario. An immediate and important step towards a cleaner and greener environment in India is the implementation of BS VI emission norms. This can be achieved through engine tuning, in-cylinder treatment and exhaust tuning.
According to the Paris protocol 2015, India has agreed to reduce the carbon output and keep global warming below 2 degrees/year. By 2020 India aims at “17%” lower emissions compared to 2017. On an average, 2% reduction per year is expected to achieve the target. Gasoline engine has on an average “20%” higher fuel consumption than diesel which makes diesel application close to mandatory in automotive industry. The diesel emissions control thus becomes an important cog. As per the current study India, on paper, has the toughest CO2 norms as it tries to be on par with the European nations that are already 4 stages ahead by adhering to Euro 6D norms. Based on the profound insight of the existing exhaust system technology portfolio, the exhaust after treatment challenges in the espousal of BS VI norms and solutions are discussed.
As India is aggressively moving from BS IV to BS VI, various parameters to support this transition have been discussed in this article. This particular study explores the technology criteria; functional readiness and manufacturing readiness towards implementing the advanced emission norms in India. The solutions to the challenges in development are approached with a structured, strategic glide path which considers both technological innovations as well as optimization of the development process.

Keywords— System integration, fuel economy, driving dynamics, emission testing, CO2 reduction, Fuel Efficiency, Vehicle Optimization, After Treatment System, Emission Control

  1. ECT 2015 | Strategies for Compliance of BS V / BS VI, Ashwin Thondavadi, DGS-ES/EET-IN - Exhaust Gas Treatment & Starting Devices
  2. Standing committee on Petroleum & natural gas (2014-15) – National Auto Fuel Policy – 5th Edition
  3.  Passenger car emission regulations –  K. Engeljehringer, AVL List GmbH AVL, Italy  Tech Day – 2014, Bologna, 21.10.2014
  4. Anup Bandivadekar, ICCT, Auto Fuel Policy Roadmap for India, September 16, 2015
  5. Advancement Of Fuel Quality And Vehicle Emission Norms To Improve Urban Air Quality In India, The Energy And Research Institute, September 2014
  6. Central Motor Vehicles Rules, 2015: Ministry Of Road Transport And Highways – Notification | New Delhi, 27th November 2015
  7. Perspective On Emissions Standards Roadmap For India And The Industry Preparedness To Leapfrog To Euro 6 Emissions Standards – Alok Trigunayat : Matti Harkonnen : Rajan Bosco, ECOCAT INDAI | 12th March, 2015
  8. Overview Of India’s Vehicle Emissions Control Program – Past Successes And Future Prospects – Gaurav Bansal And Anup Bandivadekar, ICCT


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