21 research outputs found

    A Review on Microalgae Biofuel Production and use in CI Engine Applications

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    Alternative fuel technology of third-generation biofuels in place of conventional fossil fuels is currently being witnessed at a global level. Due to its sustainability and environmental friendliness, in recent years more importance is being given to biodiesel in CI engine applications. Recent trends show that microalgae are promoted as a bio-fuel due to their inherent advantages of abundant availability of oil sources and faster growth rate with ease of cultivation. Particular species of algae such as Chlorella, Botryococcus braunii, and Scenedesmus obliquus are conventionally favored for biodiesel production as they have a prominent amount of lipids content. This review outlines the current state of experimental investigations on the use of different algae biodiesel blends with diesel for CI engines. Amongst the different algae-based biodiesel, the dual Calophyllum Inophyllum methyl ester blend (CIME20) with DEE demonstrated the maximum brake thermal efficiency (BTE) and better brake-specific fuel consumption (BSFC) of CI engines. In terms of emissions, the CO, UBHC, and smoke levels are significantly lower for algae blends in contrast to neat diesel

    Reclamation of Dye Affected Soil at Tirupur Region by Using Vermitechnology, South India

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    Soil from the dye affected area is taken for various analysis. Similarly soil from the fertile land is also taken for analysis in the same region. Most of the soils polluted by heavy metals can be reclaimed using a number of expensive tactics that either remove the contaminants or stabilize them within the soil .To analyze the parameters such as soil pH, temperature, soil fungal, bacterial and actinomycetes population of both the samples. Find out what are the metals present in the soil samples. Apply vermicompost to the dye affected soil for reclamation. Again we should analyze soil pH, temperature, fungal, bacterial and actinomycetes population of both the soil samples .The results are discussed with the literature.----------------------------------------------------------------------------------V. Prabhu, M. Ishwarya, S.R. Kayalvizhi, R. Hariprakash, and V. Balakrishnan*Department of Biotechnology, K.S.Rangasamy College of Technology, Tiruchengode-637 215, Tamilnadu, India*Corresponding Author, Email: [email protected] Please Cite This Article As:  V. Prabhu, M. Ishwarya, S.R. Kayalvizhi, R. Hariprakash, and V. Balakrishnan. 2010. Reclamation of Dye Affected Soil at Tirupur Region by Using Vermitechnology, South India. J. Ecobiotechnol. 2(4):16-21. Â

    Remote Monitoring of the Heart Condition of Athletes by Measuring the Cardiac Action Potential Propagation Time Using a Wireless Sensor Network

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    Highly performing athletes are susceptible to cardiac damage of several kinds which may be irreversible. The monitoring of heart rate and ECG waveforms from such subjects by wireless sensor networks has been reported in health and sports care documents. However, a more decisive parameter for instant to instant changes would be the time of Cardiac Action Potential Propagation. This time, which can be between 15-20 ms would shoot suddenly in acute stress in highly performing athletes for short durations. Repeated incidents of such rising values will tend to cause irreversible damage to the heart. We developed the technique of measuring this time and reporting it through a wireless sensor network to monitoring station

    Racemic epinephrine compared to salbutamol in hospitalized young children with bronchiolitis; a randomized controlled clinical trial [ISRCTN46561076]

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    BACKGROUND: Bronchiolitis is the most common cause of lower respiratory tract illness in infancy, and hospital admission rates appear to be increasing in Canada and the United States. Inhaled beta agonists offer only modest short-term improvement. Trials of racemic epinephrine have shown conflicting results. We sought to determine if administration of racemic epinephrine during hospital stay for bronchiolitis improved respiratory distress, was safe, and shortened length of stay. METHODS: The study was a randomized, double-blind controlled trial of aerosolized racemic epinephrine compared to salbutamol every one to 4 hours in previously well children aged 6 weeks to ≤ 2 years of age hospitalized with bronchiolitis. The primary outcome was symptom improvement as measured by the Respiratory Distress Assessment Instrument (RDAI); secondary outcomes were length of stay in hospital, adverse events, and report of symptoms by structured parental telephone interview one week after discharge. RESULTS: 62 children with a mean age of 6.4 months were enrolled; 80% of children had Respiratory Syncytial Virus (RSV). Racemic epinephrine resulted in significant improvement in wheezing and the total RDAI score on day 2 and over the entire stay (p < 0.05). The mean LOS in the epinephrine arm was 2.6 days (95% CI 2, 3.2) v. 3.4 days in those in the salbutamol group (95% CI 2.6, 4.2) (p > 0.05). Adverse events were not significantly different in the two arms. At one week post-discharge, over half of parents reported that their child still had a respiratory symptom and 40% had less than normal feeding. CONCLUSION: Racemic epinephrine relieves respiratory distress in hospitalized infants with bronchiolitis and is safe but does not abbreviate hospital stay. Morbidity associated with bronchiolitis as identified by parents persists for at least one week after hospital discharge in most infants

    Remote Monitoring of the Heart Condition of Athletes by Measuring the Cardiac Action Potential Propagation Time Using a Wireless Sensor Network

    Get PDF
    Highly performing athletes are susceptible to cardiac damage of several kinds which may be irreversible. The monitoring of heart rate and ECG waveforms from such subjects by wireless sensor networks has been reported in health and sports care documents. However, a more decisive parameter for instant to instant changes would be the time of Cardiac Action Potential Propagation. This time, which can be between 15-20 ms would shoot suddenly in acute stress in highly performing athletes for short durations. Repeated incidents of such rising values will tend to cause irreversible damage to the heart. We developed the technique of measuring this time and reporting it through a wireless sensor network to monitoring station

    COMPARISON OF BACTERIAL FORAGING OPTIMIZATION AND ARTIFICIAL BEE COLONY OPTIMIZATION TECHNIQUE FOR DISTRIBUTED GENERATION SIZING AND PLACEMENT IN AN ELECTRICAL DISTRIBUTION SYSTEM

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    Integration of Distributed Generation (DG) in an electrical distribution system has increased recently due to voltage improvement, line loss reduction, environmental advantages, and postponement of system upgrading, and increasing reliability. Improper location and capacity of DG may affect the voltage stability on the Distribution System (DS). Optimization techniques are tools used to predict size and locate the DG units in the system, so as to utilize these units optimally within certain limits and constraints. The DG units’ sizing and placement is formulated using mixed-integer nonlinear programming, with an objective function of improving the system stability margin; the constraints are the system voltage profile, feeders’ capacity, power factor and the DG penetration level. In this paper the optimal sizing and DG placement in distribution systems is presented using Bacterial Foraging Optimization (BFO) and compared with Artificial Bee Colony Optimization (ABCO) algorithm. Two scenarios of DG are considered with some test cases indicate that BFO method can obtain better results than the BCO search method on the 69-bus radial distribution systems
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