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Wyszukujesz frazę "Chandra, Prakash" wg kryterium: Autor

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    Wyświetlanie 1-11 z 11
    Tytuł:
    Innovative method for heat transfer enhancement through shell and coil side fluid flow in shell and helical coil heat exchanger
    Autorzy:
    Kumar, Rajesh
    Chandra, Prakash
    -, Prabhansu
    Powiązania:
    https://bibliotekanauki.pl/articles/949948.pdf
    Data publikacji:
    2020
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    overall heat transfer coefficient
    effectiveness
    helical coil
    pressure drop
    Opis:
    The effect of shell side and coil side volume flow rate on overall heat transfer coefficient, effectiveness, pressure drop and exergy loss of shell and helical coil heat exchanger were studied experimentally under steady state conditions. The working fluid, i.e., water was allowed to flow at three different flow rates of 1, 2, and 3 l/min on shell side (cold water) and at 1, 1.5, 2, 2.5, and 3 l/min on coil side (hot water) for each shell side flow rate at the temperatures of 298±0.4 K and 323±0.4 K, respectively. The results found that the overall heat transfer coefficient increased with increasing both shell side and coil side volume flow rates. The inner Nusselt number significantly increased with the coil side Dean number.
    Źródło:
    Archives of Thermodynamics; 2020, 41, 2; 239-256
    1231-0956
    2083-6023
    Pojawia się w:
    Archives of Thermodynamics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Geometrical and optical analysis of small-sized parabolic trough collector using ray tracing tool SolTrace
    Autorzy:
    Singh, Raman Kumar
    Chandra, Prakash
    Powiązania:
    https://bibliotekanauki.pl/articles/27312206.pdf
    Data publikacji:
    2023
    Wydawca:
    Polska Akademia Nauk. Czasopisma i Monografie PAN
    Tematy:
    parabolic trough collector
    SolTrace
    Monte Carlo ray tracing method
    nonuniform heat flux distribution
    optical analysis
    geometrical analysis
    Opis:
    The present work is aimed at geometrical optimization and optical analysis of a small-sized parabolic trough collector (PTC). Improving the performance of parabolic trough collectors can greatly justify the use of solar energy. An optimized curvature geometry, the location of the absorber tube, and the heat flux distribution along the circumference of the absorber tube are major features in the geometric optimization and optical modelling of parabolic trough collectors. Rim angle, aperture width, the diameter of the absorber tube, receiver position, and the optimum value of heat flux are the major parameters considered in this work for geometrical and optical analysis. The Monte Carlo ray tracing method has been adopted for analysis. The non-uniform heat flux distribution profile obtained from optical analysis of the proposed parabolic trough collector has been compared with the profile available in the literature, and good agreement has been obtained, which proves the feasibility and reliability of the model and method used for this study. An experimental new small-sized parabolic trough collector has been fabricated for the optimized rim angle of 90 deg after a successful laser light feasibility test. The effect of the absorber tube position along the optical axis on the heat flux profile was analysed and found to be substantial. Furthermore, the sensitivity analysis of the parabolic trough collector using the software applied has been discussed separately.
    Źródło:
    Archives of Thermodynamics; 2023, 44, 3; 35--61
    1231-0956
    2083-6023
    Pojawia się w:
    Archives of Thermodynamics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Teacher freezingnes: does it make any differences in teaching and learning?
    Autorzy:
    Jena, Prakash Chandra
    Powiązania:
    https://bibliotekanauki.pl/articles/1157039.pdf
    Data publikacji:
    2018
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Secondary School Teachers
    Streams of Teaching
    Teacher Freezingness
    Opis:
    The purpose of the present study is to find out the difference in teacher freezingness of secondary school teachers with respect to gender and teaching in different streams. The investigator has taken 200 secondary teachers from the Jalandhar district of Punjab (India) as sample by using simple random sampling technique. For collection of data the investigator has used Teacher Freezingness Scale standardized by Mrs. Haseen Taj and result analysis t-test has used.
    Źródło:
    World Scientific News; 2018, 94, 2; 250-260
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Social competence among school going adolescents with respect to their gender and type of school
    Autorzy:
    Jena, Prakash Chandra
    Powiązania:
    https://bibliotekanauki.pl/articles/1166772.pdf
    Data publikacji:
    2018
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Educational Maturity
    School Going Adolescents
    Social Competence
    Opis:
    The purpose of the study is to explore social competence among going adolescents. It is descriptive in nature and survey method has been used. The investigation has taken 200 school going adolescents as sample studying in govt. secondary school by using simple random technique. For collection of data the investigator has used social competence scale standardized by Prof. V.P. Sharma, Dr. (Mrs.) Kiran Shukla, Dr. (Mrs.) Prabha Shukla and result analysis, t-test was also used.
    Źródło:
    World Scientific News; 2018, 105; 14-28
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Study habit of university foreign students in relation to gender and streams of education
    Autorzy:
    Jena, Prakash Chandra
    Powiązania:
    https://bibliotekanauki.pl/articles/1157585.pdf
    Data publikacji:
    2018
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Foreign Students
    Streams of Education
    Study Habit
    Opis:
    The objective of the present research is to explore the difference in study habit of university foreign students. The investigator has taken the sample of 200 foreign students studying in various streams of education in Lovely Professional University by using simple random sampling technique. For collection of data the investigator has used Study Habit Inventory standardized by M. Mukhopadhyay and result analysis t-test has used.
    Źródło:
    World Scientific News; 2018, 92, 2; 351-359
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Self-actualization and value orientation among primary school teachers in Bhutan
    Autorzy:
    Jena, Prakash Chandra
    Dorji, Rinzin
    Powiązania:
    https://bibliotekanauki.pl/articles/1191248.pdf
    Data publikacji:
    2016
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Self-actualization
    Value Orientation
    Primary School Teacher
    Opis:
    The purpose of this study was to find out the difference between self-actualization and value orientation among primary school teachers. The study was conducted on a sample of 100 primary school teachers of Dagana and Wangduephodrang districts in Bhutan. Equal distributions of 50 male and 50 female teachers were selected by using simple random sampling technique. Descriptive survey method was used by the investigator in the study. The tools applied by the investigators were Self-actualization scale and Value orientation scale and for analysis and interpretation of results, t-test and correlation were used.
    Źródło:
    World Scientific News; 2016, 54; 217-239
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Early childhood care and education in Bhutan: an evaluative study
    Autorzy:
    Jena, Prakash Chandra
    Wangmo, Dechen
    Powiązania:
    https://bibliotekanauki.pl/articles/1192097.pdf
    Data publikacji:
    2016
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Early Childhood Care and Education
    Royal Government of Bhutan
    Pre-School Education
    Opis:
    Emphasis in the need of ECCE programs for its high quality educational experiences to children and for the new trends in the family system is a growing concern throughout the countries in the world. One of the important factors contributing to the success of ECCE program is therefore in promoting an integrated approach to ECCE policy development and review. Bhutan is not exceptional in this global trend. The present survey is conducted in Sarpang of district of Bhutan and tries to explore existing policy practices and functioning of ECCE centers in promoting pre-school education in Bhutan.
    Źródło:
    World Scientific News; 2016, 37; 279-303
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Systematic analysis and review of video object retrieval techniques
    Autorzy:
    Ghuge, C. A.
    Prakash, V. Chandra
    Ruikar, Sachin D.
    Powiązania:
    https://bibliotekanauki.pl/articles/2050246.pdf
    Data publikacji:
    2020
    Wydawca:
    Polska Akademia Nauk. Instytut Badań Systemowych PAN
    Tematy:
    video object retrieval
    computer vision
    deep learning
    fuzzy-based techniques
    machine learning
    query-based techniques
    graph-based techniques
    Opis:
    Video object retrieval is a promising research direction, developing in the recent years, and the current video object retrieval strategies are used for visualizing, digitizing, modeling, and retrieving the objects especially in graphics and in architectural design. The research performed led to the design of proficient video object retrieval techniques. Yet, although, a number of algorithms had been devised for tracking objects, the problems persist in enhancing the performance, for instance – with regard to non-rigid objects. In this review article we provide a detailed survey of 50 research papers presenting the suggested video object retrieval methodologies, based on approaches such as deep learning techniques, graph-based techniques, query-based techniques, feature-based techniques, fuzzybased techniques, machine learning-based techniques, distance metric learning-based technique, and also other ones. Moreover, analysis and discussion are presented concerning the year of publication, employed methodology, evaluation metrics, accuracy range, adopted framework, datasets utilized, and the implementation tool. Finally, the research gaps and issues related to various proposed video object retrieval schemes are presented for guiding the researchers towards improved contributions to the video object retrieval methods.
    Źródło:
    Control and Cybernetics; 2020, 49, 4; 471-498
    0324-8569
    Pojawia się w:
    Control and Cybernetics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Habitat preference and resource utilization of avifauna in Kuldiha Wildlife Sanctuary, Odisha, India: Role of eco-ethological gradients
    Autorzy:
    Ghosh, Srinjana
    Paria, Santu
    Mardaraj, Prakash Chandra
    Chakraborty, Susanta Kumar
    Powiązania:
    https://bibliotekanauki.pl/articles/1177424.pdf
    Data publikacji:
    2018
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Avifaunal diversity
    Conservation
    Foraging guilds
    Kuldiha Wildlife Sanctuary (KWS)
    Tropical deciduous forest
    Opis:
    The present study has attempted to highlight the avifaunal diversity in two contrasting seasons (pre and post monsoons) from a protected tropical mixed deciduous forest (Kuldiha Wildlife Sanctuary, KWS) in the state of Odisha, India. Through modified line transect method, a total of 107 species of birds belonging to 49 families under 15 orders have been reported. Among them, 12 are winter visitors, 3 are summer visitors, 1 is near threatened and 1 is vulnerable species. Insectivores and frugivores constitute major foraging guilds. Closed canopy forests, forest edges, woodland areas and wetlands provide suitable habitats to all those avifauna. Lower canopy level was found to act as the major microhabitat for several species for meeting major ecobiological attributes of avifauna. The pre-monsoon and monsoon periods have appeared to be the ideal nesting seasons for most of the avian members. Canopy foliage and tree holes were seen to offer the most suitable nesting sites. Significant differences in respect of species richness have been observed among different habitats in different seasons (F5.91 ,p ≤ 0 in premonsoon, F6.53, p ≤ 0 in post monsoon). The highest Shannon Weiner diversity index (H′) was recorded from the forest edge (3.8) during premonsoon and that of lowest in orchard or plantation areas (2.96) during post monsoon. Species Dominance value (D) was observed to be highest both for grassland and orchards and plantation areas (0.06). The field based study attempts to assess avian diversity (qualitative and quantitative) in the light of global conservation programme. Though this area is prone to varying levels of anthropogenic interventions particularly the tourism activities, an overall healthy bird diversity has been found to exist, the knowledge on which is expected to be utilized for the holistic eco-management of forest ecosystem in general and Kuldiha wildlife sanctuary in particular. A number of hypothesis have been proposed in respect of avifaunal habitat selection, diversity and acclimation with wildlife friendly human association for their successful coexistence.
    Źródło:
    World Scientific News; 2018, 103; 32-64
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Morbidity profile and outcome of new-born admitted in sick newborn care units of Uttar Pradesh, India
    Autorzy:
    Prakash Singh, Satya
    Chandra Paliwal, Harish
    Shekhar, Saket
    Kushwaha, Poonam
    Powiązania:
    https://bibliotekanauki.pl/articles/29519439.pdf
    Data publikacji:
    2023-09-30
    Wydawca:
    Uniwersytet Rzeszowski. Wydawnictwo Uniwersytetu Rzeszowskiego
    Tematy:
    low birth weight
    morbidity profile
    mortality profile
    respiratory distress
    Opis:
    Introduction and aim. Reduction in child morbidity and mortality is result of upgradation of infrastructure and quality of public health care services. India alone accounts for 30% of the global neonatal deaths occur in India that occurs due to preventable cause. So, the aim of this study was to assess the pattern and status of neonatal mortality observed in SNCUs of Uttar Pradesh, India. Material and methods. Descriptive study was conducted based on secondary data obtained from sick new born care units (SNCU) online database from 89 Government-supported SNCUs of Uttar Pradesh, from April 2014 to March 2016. Data obtained included age, weight, sex, diagnosis, and outcome. Results. 22933 neonates admitted in SNCU were included in study with 14269 (62.2%) were males and 8664 (37.8%) females. Majority of the subject (20070; 87%) were in 0-5 days old age group. Most (72.5%) of admitted new-born improved and discharged. Low birth weight was significantly (χ2 = 1334.2, p<0.001) related with outcome. Birth asphyxia contributed to maximum (36.11%) numberof deaths, followed by respiratory distress syndrome (25.21%), sepsis (15.38%), prematurity and extremely low birth weight (5.8%). Conclusion. Improved antenatal care, improved access to health facility, timely referral of high-risk cases, capacity building, intensive interventional management can reduce neonatal mortality and its complications. Study also warrants, in-depth community-based qualitative study to identify gender-specific, equity issues.
    Źródło:
    European Journal of Clinical and Experimental Medicine; 2023, 3; 590-594
    2544-2406
    2544-1361
    Pojawia się w:
    European Journal of Clinical and Experimental Medicine
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Effect of application of some organic amendments on soil properties, extractable micronutrients and their chemical fractions in a sandy loam soil
    Autorzy:
    Dey, Ahana
    Srivastava, Prakash Chandra
    Pachauri, Satya Pratap
    Shukla, Arvind Kumar
    Powiązania:
    https://bibliotekanauki.pl/articles/2088187.pdf
    Data publikacji:
    2020
    Wydawca:
    Uniwersytet Marii Curie-Skłodowskiej. Wydawnictwo Uniwersytetu Marii Curie-Skłodowskiej
    Tematy:
    chemical fractions
    micronutrients
    organic amendments
    soil properties
    Opis:
    In a 120-day incubation study, farmyard manure (FYM), mushroom compost (MC), poultry manure (PM), vermi-compost (VC), biogas slurry (BS) and biochar from Lantana sp.; a common weed (BC) each added at 15 t ha-1 significantly increased soil electrical conductivity and organic C content, however, only VC failed to increase soil organic C content significantly but increased soil pH when compared with the control sample. Among organic amendments, FYM, MC, VC and BS increased DTPA-extractable Zn and Mn in soil significantly when compared with the control sample, while BC was significantly effective in regard to increasing both DTPA-extractable Mn and hot water soluble B when compared with the control sample. Application of FYM and MC significantly increased DTPA-extractable Cu and Fe, respectively when compared with the control sample. Simple correlation and path coefficient analysis were performed to identify key chemical fractions of micronutrients in soil having the direct and indirect effects on availability of micronutrients in organically amended soils. Based on soil extractable concentrations of micronutrients in organically amended soils, FYM appeared to be the best source of Zn, Cu and Mn, while MC could serve as the best source of Fe. Biochar from Lantana sp. may serve as a good source of B.
    Źródło:
    Polish Journal of Soil Science; 2020, 53, 2; 181-198
    0079-2985
    Pojawia się w:
    Polish Journal of Soil Science
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-11 z 11

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