CFD Analysis of Natural Convection Flow through Inclined Pipe

Abstract-The present work is aimed at studying the effect of different system parameters on the heat transfer and buoyancy induced flow inside circular tubes using CFD. They include tube length, tube diameter, tube inclination and heat supplied. Constant heat flux boundary condition is created on the tube surface. The heat transfer coefficient and the induced flow rate both were found increasing with increase in the heat supplied and the angle of inclination with the horizontal. The flow rate of water is found to be independent of the tube length if the tube length is more than 1m.The Experimental results is to be Compare with the CFD results. Boundary condition, Geometry is created in GAMBIT and Solver; Boundary conditions are provided to the pipe in fluent software

Formulation and Evaluation of Tooth Gel From Aloe Vera Leaves Extract

The aimed of current research to formulate tooth gel utilizing leaf extract of Aloe vera. In multiple clinical studies, Aloe vera has used in dentistry for wound-healing effect, gingivitis, plaque control and curing oral mucosal lesions. Aloe vera is natural, ancient ingredient. The formulated Aloe vera tooth gel evaluated by physical examination: Colour-yellowish brown, Appearance-Homogeneous, smooth nature, Transparency-translucent and Relative density-10.5, No microbial growth in sample plate, pH-7.5, Viscosity-3100cp, Extrudability amount percent-91.33, Spreadability-6.5cm/sec and obsereved good stability. The anti-microbial evaluation against Staphylococcus aureus reveal that formulated aloe vera tooth gel exhibited notable activity with ZOI of 19.5 mm at MIC of 25?g/mL. The outcome from this research evidently signified that the natural plant Aloe vera using to formulate tooth gel may be a new approach to formulate tooth gel economically and minimum side effect than synthetic formulation and good scope in future about dental research in natural remedies

Implimentation of Intelligent Cap with Drowsy Detec Tion and Vehicle Monitoring

Drowsiness”, a state which is often seen in drivers now-a-days has become a serious issue in road mishaps. Driver fatigue resulting from sleep deprivation or s leep disorders is an important factor in the increasing number of accidents. The development of technology for preve nting drowsiness at the wheel is a major challenge in the field of accident avoidance system. . Sleepy drivers often do not take correct action prior to a collision

A Review of Natural Antioxidants in Medicinal Plants

Natural antioxidants are widely distributed in medicinal plants. These natural antioxidants, especially polyphenols and carotenoids, exhibit a wide range of biological effects, including anti-inflammatory, anti-aging, anti-atherosclerosis and anticancer. The medicinal plants are crucial to explore the potential antioxidant sources and promote the application in functional foods. The present paper provides comprehensive information on the green extraction technologies of natural antioxidants, assessment of antioxidant activity at chemical and cellular based levels and their main resources from food and medicinal plants   Oxygen free radicals induce damage due to peroxidation to biomembranes and also to DNA, which lead to tissue damage, thus cause occurrence of a number of diseases. Antioxidants neutralise the effect of free radicals through different ways and may prevent the body from various diseases. Antioxidants may be synthetic or natural. Synthetic antioxidants such as butylated hydroxytoluene (BHT) and butylated hydroxyanisole (BHA) have recently been reported to be dangerous for human health. Thus, the search for effective, non-toxic natural compounds with antioxidative activity has been intensified in recent years. The present review includes a brief account of research reports on plants with antioxidant potential

Differential Spectrophotometric Method for Estimation and Validation of Verapamil in Tablet Dosage Form

The aimed of current research to development of the simple, rapid and sensitive Differential spectrophotometric method for the estimation of Verapamil in tablet dosage form. In this method two medium was use acid and alkaline and the difference spectrum was calculated. 0.1N HCL and 0.1N NaOH was used in this differential method. The ?max 278, Beers law limits 5-25µg/ml, regression equation Y= 0.024x-0.009, slope 0.024, intercept 0.09, correlation coefficient (r2) 0.998, %RSD <1.5, % Recovery (Tablet) 100.46% was shows the good efficacy and results. This method future scope in quality control of the verapamil in simple, precise and economically and it recommended for the routine drug quality analysis investigation

Development and Validation of RP-HPLC Method for Simultaneous De-termination of Rosuvastatin and Clopidogrel in Tablet Dosage Form

The aimed of research the method development and validation by RP-HPLC method of the Rosuvastatin calcium and Clopidogrel bisulphate. The method is a simple, accurate, specific, precise, reproducible and sensitive. The ? max of ROSU and CLOP was found to be 240nm. Coefficient correlation 0.999, Beer's Law limit 50-150 µg/ml, from the four trial of different concentration of mobile phase was selected Methanol:Water 80:20 v/v, pH 3.0 at 240nm, flow rate 1ml/min, sample inlet 20 µL, C 18 Prontosil, %RSD of ROSU 1.017 and CLOP 0.173, theoretical plates ROSU 7797.53 and ROSU 8257.53, Retention time ROSU 3.483min and CLOP 4.983min, Tailing factor ROSU 1.1787 and CLOP 1.074, limits 2 NMT, Accuracy ROSU 0.37 %RSD, Recovery 99.59% and CLOP 0.18 %RSD, recovery 100.41% was show good efficacy and results. The methods indicate Future scope in analysis quality control of the estimation of ROSU and CLOP for routine drug quality analysis investigation

Bombax Ceiba Thorn Extract Mediated Synthesis of Silver Nanoparticles: Evaluation of Anti - Staphylococcus Aureus Activity

The current research aimed at fabricating plant extract mediated biosynthesized silver nanoparticles (AgNPs) utilizing thorn extract of Bombax ceiba (TEBC). The synthesized AgNPs was characterized by UV spectroscopy where the surface plasmonic resonance peak (SPR) was located at 222 nm. The scanning electron microscopy (SEM) studies demonstrated that the morphology of fabricated nanomaterials was primarily cylindrical of average size of 20-30 nm with some spindles of size >50 nm. The anti-microbial evaluation against Staphylococcus aureus revealed that AgNPs exhibited notable activity with ZOI of 27.2 mm at MIC of 25 ?g/mL. The outcome of this research evidently signified that the biofabricated AgNPs using TEBC may be a new greener approach or technology to formulate anti-bacterial nanodrugs in future. &nbsp