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Srinivasa Rao K.,Sai Spurthi Institute of Technology | Ramakrishna A.,Andhra University
International Journal of Applied Engineering Research

The fossil fuels plays highly dominant role in energy scenario. These fuels are nonrenewable, scare and exhaustive in nature. Biodiesel act as alternative to conventional diesel fuel, they are renewable and ecofriendly. The present work is focused on biodiesel production from waste chicken fat and its cost estimation. It includes the process of chicken fat biodiesel preparation and various costs involved for raw materials, energy and labor. Chicken fat biodiesel was produced by transesterification process and production cost wasestimated using some existing data and suitable assumptions. It was estimated that the chicken fat biodiesel production cost come around ₹24.7 per liter. Hence the waste chicken fat proves to be suitable for biodiesel production, safe passage of dispose of waste and economically viable. © Research India Publications. Source

Rao N.S.,Sai Spurthi Institute of Technology | Radhakrishna M.,CSIR - Central Electrochemical Research Institute | Prasad A.M.K.,Osmania University
Applied Mechanics and Materials

The paper deals with dynamic stability and natural frequency of composite corrugated bellows expansion joint. In this simplified formulae are developed by a thin walled pipe model. The dynamic model determined by integration method. According to the EJMA formulae the torsional stability calculation is modified using two different equivalent radii. The torsional natural frequencies are calculated using the formula based on equivalent thin walled pipe model. The modified formulae are verified by those from a finite element model and good agreement is shown between the simplified formulae and the finite element model. © (2013) Trans tech publications, Switzerland. Source

Nakkanti S.R.,Sai Spurthi Institute of Technology | Madabhushi R.,Indian Institute of Chemical Technology | Adusumilli M.K.P.,Osmania University
ASME International Mechanical Engineering Congress and Exposition, Proceedings (IMECE)

The paper deals with torsional stiffness and natural frequency of composite corrugated bellows type of expansion joint. In this paper simplified formulae are developed considering thin walled pipe model. Integration method is used to determine the natural frequency of bellows. The EJMA {1} method of calculating the torsional frequency is modified using two different equivalent radii. The results obtained by the modified method are compared with the finite element method and found to be in good agreement Copyright © 2013 by ASME. Source

Srinivasa Rao K.,Sai Spurthi Institute of Technology
International Journal of Mechanical and Mechatronics Engineering

Biodiesels produced from vegetable oils are an attractive alternative fuel which are renewable and offer significant reduction of carbon monoxide and hydrocarbon emission due to higher oxygen content. Biodiesels can be easily mixed with petroleum diesel to form blends, and is free of sulphur. Emission control has become one of the most important challenges in diesel engine. The main drawback of use of biodiesels in diesel engines is its higher NOX emissions. The aim of the present work is to reduce NOx emissions of a diesel engine fueled with cotton seed biodiesel. One simple way of reducing the NOX emission of diesel engine is by injection delay of fuel in to combustion chamber. This method is effective but increases the fuel consumption, which necessitates the use of more effective NOX reduction technique like exhaust gas recirculation (EGR). Recirculating part of the exhaust gas along with fresh air admission helps in reducing NOX. A single cylinder four stroke direct injection water cooled diesel engine operated with cotton seed biodiesel (CSBD) and petroleum diesel (PD) blends such as 0% (PD), 10% (CSBD10), 20% (CSBD20) and 30% (CSBD30) are used for the present emission and performance study. Different EGR rates such as 0%, 5%, 10%, 15% and 20% are considered for this study. The speed of the engine is kept as constant at 1500 rpm. The performance of the engine in terms of brake specific fuel consumption& brake thermal efficiency and emission characteristics such as oxides of nitrogen, hydrocarbon & carbon monoxide are studied. For all blends reduced NOX emission was observed with EGR. The better engine characteristics were obtained with EGR rate of 15% for all fuel blends. The observations reveal that cotton seed biodiesel with EGR can be used to reduce NOx. © 2016 IJENS. Source

Dastagiraiah C.,Sai Spurthi Institute of Technology | Krishna Reddy V.,Koneru Lakshmaiah College of Engineering | Pandurangarao K.V.,Sai Spurthi Institute of Technology
International Journal of Engineering and Technology

Thinking Processing is another example developing in IT environment with expansive determinations of base furthermore, sources. Fill Controlling is a vital part of distributed computing environment. Powerful load adjusting arrangement ensures effective source use by provisioning of sources to cloud client's on-interest premise in pay-as-you-say-way. Fill Controlling might indeed, even help indicating need for clients by actualizing suitable planning necessities. This archive gives different burden adjusting strategies in various cloud environment in light of particulars determined in Support Level Assertion (SLA). Source

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