1,262 research outputs found

    Characteristic features of winter precipitation and its variability over northwest India

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    Northwestern parts of India receive considerable amount of precipitation during the winter months of December-March. Although, it is only about 15 of the annual precipitation, the precipitation is very important for rabi crops and to maintain the glaciers extend in the Himalaya, which melt and supply water to the rivers during other seasons. The precipitation is mainly associated with the sequence of synoptic systems known as 'western disturbances'. The precipitation has considerable spatial and temporal variability, with maximum precipitation occurring particularly over northern hilly regions, with decreasing influence southwards. The spatially coherent winter precipitation series has been prepared for the largest possible area comprising nine meteorological subdivisions of northwest India, which constitute about 32 of the total area of the country, having similar precipitation characteristics. The precipitation series has been statistically analysed to understand its characteristics and variability. The seasonal precipitation series is found to be homogeneous, Gaussian (normal) distributed and free from persistence. The precipitation variability has increased during the most recent three decades with more excess and deficient years

    TUNING OF COMPONENT CHARACTERISTICS MAPS IN OFF DESIGN SIMULATION OF GAS TURBINES

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    A reliable simulation model is an essential component of health monitoring system for gas turbine engines. Hence a thermodynamic simulation model of a twin spool gas turbine engine is being developed for use in an engine health monitoring (EHM) system. This model is based on mass and energy conservation principles across each component of the gas turbine engine. The model is being developed with limited design point information and measured gas path parameters available from the test bed. Both on-design and off-design models are being developed in Matlab® programming environment. Component characteristics maps available in the open literature are being scaled and used in the off design simulation. The scaling parameters used in the maps are tuned to improve the agreement between simulation model and data collected from engine test bed. Both tuned and un-tuned results of the simulation along with their respective errors are presented. The scheme to incorporate the model in the physics based health monitoring module is also briefly presented. Conf Name: ISSS International Conference on Smart Materials, Structures and System

    Biochemical composition of potato biowaste of popular North Indian cultivars

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    Potato is among the top processed vegetables, and its demand is continuously on the rise. Moreover, by the unit that peels are produced, significant issues associated with managing substantial volumes of solvents, impractical astounding scale drying out functions, in addition to lowering capital expenses render these remedies unfeasible. Additionally, isolation of helpful metabolites from potato are bound on the usage authorized as food quality applications. The current study's objective was to estimate the peel biochemical composition of potato cultivars suitable for cultivation in the Ranch district of Jharkhand state in India. The highest amount of chlorogenic acid (1.13 mg/g FW) and dry matter (17.90%) was determined in the variety Kufri Sindhuri. The chlorogenic acid content and the peel dry matter were determined to be significantly correlated with each other. The highest value for the phenolic content of the potato peel was determined for the variety Kufri Lalima. Simultaneously, the reducing sugars were most elevated in the peel of variety Kufri Pukhraj and starch content in the peel of variety Kufri Purkhraj. Overall, our work highlights the biochemical composition of potato peel and this information can be targeted on the potential usage of potato peel usage for industrial products formulation

    Prevalence of cardiovascular health risk behaviors in a remote rural community of Sindhuli district, Nepal

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    BACKGROUND: Cardiovascular disease (CVD) is emerging as a public health menace among low and middle income countries. It has particularly affected the poorest. However, there is paucity of information about CVD risk factors profile among Nepalese rural communities where the majority of people live in poverty. Therefore, this study aimed to identify the prevalence of cardiovascular health risk behaviors in an outback community of Nepal. METHODS: We conducted a descriptive cross-sectional study in Tinkanya Village Development Committee (VDC), Sindhuli between January and March, 2014. Total 406 participants of age 20 to 50 years were selected randomly. Data were collected using WHO-NCD STEPwise approach questionnaires and analyzed with SPSS V.16.0 and R i386 2.15.3 software. RESULT: The mean age of participants was 36.2 ± 9 years. Majority of participants (76.3%) were from lower socio-economic class, Adibasi/Janajati (63.1%), and without formal schooling (46.3%). Smoking was present in 28.6%, alcohol consumption in 47.8%, insufficient fruits and vegetables intake in 96.6%, insufficient physical activity in 48.8%; 25.6% had high waist circumference, 37.4% had overweight and obesity. Average daily salt intake per capita was 14.4 grams ±4.89 grams. Hypertension was detected in 12.3%. It had an inverse relationship with education and socio-economic status. In binary logistic regression analysis, age, smoking, body mass index (BMI) and daily salt intake were identified as significant predictors of hypertension. CONCLUSION: Present study showed high prevalence of smoking, alcohol consumption, insufficient fruit and vegetable intake, daily salt intake, overweight and obesity and hypertension among remote rural population suggesting higher risk for developing CVD in future. Nepalese rural communities, therefore, are in need of population-wide comprehensive intervention approaches for reducing CVD health risk behaviors

    Iliopsoas abscess: Analysis and perspectives from an endemic region of Eastern Nepal

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    Abstract Objective: To evaluate the clinical profile and outcome in patients with iliopsoas abscess. Methods: A descriptive study was carried out in B.P. Koirala Institute of Health Science, Dharan, Nepal from February 2005 to March 2006. The medical records of all thirty six patients admitted in surgery ward with diagnosis of iliopsoas abscess during the study period were analyzed. Results: Thirty six patients were included the study. There were 22 (61.1%) males and 14 (38.9%) females with a mean age of 24.33 ±19.19 years. Demographic distribution of the patients revealed the highest number 13 (36.1%) from Sunsari district, eastern part of the country. Right sided unilateral involvement was the most common presentation and only 2 cases had bilateral involvement. In none of our patients the dorsolumbar spine radiograph revealed any involvement of the bone. The most common complaints were pain in lower abdomen and lump in iliac fossa with flexion deformity at hip joint. All the patients underwent open surgical drainage and their outcomes were analyzed in term of cure, morbidity and mortality. Staphylococcus aureus was the most common organism 24 (61.5%) isolated. Twenty two (91.66%) of Staphylococcus aureus samples were sensitive to ciprofloxacin. There was one mortality in the group who died of septicaemia secondary to necrotizing fascitis. Six patients had wound infection, which were cured by regular dressing. Conclusion: On the basis of our experience and review of available relevant literature, we can conclude that a high index of suspicion and awareness of the varying clinical picture are required to diagnose this condition properly. Ultrasonography should still be the preferred imaging modality as it is cheap, safe, cost effective and readily available. Ciprofloxacin should be used as a first line drug. Image guided aspiration may be practical in selected cases having little pus and traditional open drainage should be considered without hesitation

    Seasonal prediction skill of winter temperature over North India

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    This document is the Accepted Manuscript version of the following article: Tiwari, P.R., Kar, S.C., Mohanty, U.C. et al. Theor Appl Climatol (2016) 124: 15. The final publication is available at Springer via https://doi.org/10.1007/s00704-015-1397-y. © Springer-Verlag Wien 2015.The climatology, amplitude error, phase error, and mean square skill score (MSSS) of temperature predictions from five different state-of-the-art general circulation models (GCMs) have been examined for the winter (December–January– February) seasons over North India. In this region, temperature variability affects the phenological development processes of wheat crops and the grain yield. The GCM forecasts of temperature for a whole season issued in November from various organizations are compared with observed gridded temperature data obtained from the India Meteorological Department (IMD) for the period 1982–2009. The MSSS indicates that the models have skills of varying degrees. Predictions of maximum and minimum temperature obtained from the National Centers for Environmental Prediction (NCEP) climate forecast system model (NCEP_CFSv2) are compared with station level observations from the Snow and Avalanche Study Establishment (SASE). It has been found that when the model temperatures are corrected to account the bias in the model and actual orography, the predictions are able to delineate the observed trend compared to the trend without orography correction.Peer reviewedFinal Accepted Versio
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