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Article ; Online: Quantitative impact assessment of temperature on the economics of a rooftop solar photovoltaic system

Yadav, S. K. / Kumar, Nallapaneni Manoj / Bajpai, Usha

Environ Sci Pollut Res. 2023 Feb., v. 30, no. 8 p.21900-21913

2023

Abstract: This paper analyzes the economics of a grid-interactive rooftop solar photovoltaic (PV) system and the impact of the temperature on it. The analysis related to energy metrics, lifecycle costing, and environmental economics was performed considering the ... ...

Abstract	This paper analyzes the economics of a grid-interactive rooftop solar photovoltaic (PV) system and the impact of the temperature on it. The analysis related to energy metrics, lifecycle costing, and environmental economics was performed considering the PV system’s life as 30 years. The system economics is also compared at different conditions like theoretical, temperature-corrected, and real electricity generation data. The parameters like energy payback time (EPBT), energy return on energy invested (EROI), and lifecycle conversion efficiency are determined as 5.95 years, 5.04, and 0.078, respectively, based on actual generation. The unit electricity cost of the rooftop PV system was estimated as INR 5.37 at the 5% interest rate. The electricity cost varies with the interest rate variation and operation system life. The results show a reduction in overall economic performance on the increase in module temperature. The effect of temperature on the economics of the system is presented in terms of the per degree rise of module temperature. One degree increase of module temperature 8.5 days in EPBT of the PV system increases, and INR 0.021 increases in the unit cost of electricity considering a reference temperature 25 °C. A PV system has environmental benefits by reducing greenhouse gas emissions, which are also affected by the rise of module temperature. The system lost INR 355.93 in carbon credits at an increase of one-degree module temperature.
Keywords	carbon ; economic performance ; electricity ; electricity costs ; electricity generation ; environmental economics ; greenhouse gases ; solar collectors ; temperature
Language	English
Dates of publication	2023-02
Size	p. 21900-21913.
Publishing place	Springer Berlin Heidelberg
Document type	Article ; Online
ZDB-ID	1178791-0
ISSN	1614-7499 ; 0944-1344
ISSN (online)	1614-7499
ISSN	0944-1344
DOI	10.1007/s11356-022-23592-7
Database	NAL-Catalogue (AGRICOLA)

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Article: The Toxicity of Phosphine against Susceptible and Resistant Strains of Trogoderma granarium (Coleoptera: Dermestidae)

Yadav, S.K. / Srivastava, C.

African entomology. 2021 Sept. 28, v. 29, no. 2

2021

Abstract: The khapra beetle, Trogoderma granarium (Everts), is considered one of the most destructive insect pests of wheat storages worldwide, whereas phosphine fumigation is common to manage this pest. The efficacy of phosphine use largely depends on its ... ...

Abstract	The khapra beetle, Trogoderma granarium (Everts), is considered one of the most destructive insect pests of wheat storages worldwide, whereas phosphine fumigation is common to manage this pest. The efficacy of phosphine use largely depends on its concentration, exposure time and target species. However, building an effective relationship between phosphine concentration and exposure time for T. granarium is of great importance. This research was conducted to evaluate the effects of concentration and time on phosphine toxicity against susceptible or resistant strains of T. granarium. Both strains of T. granarium were exposed to phosphine gas at various concentrations and exposure times in a laboratory. Our results showed that the exposure time was the more important variable than the phosphine concentration against both T. granarium strains; in contrast, the concentration was comparatively more important against the resistant strain than the susceptible one. This study highlights the importance of concentration and exposure time in phosphine fumigation efficacy against T. granarium.
Keywords	Trogoderma granarium ; entomology ; exposure duration ; fumigation ; phosphine ; toxicity ; wheat
Language	English
Dates of publication	2021-0928
Size	p. 414-422.
Publishing place	Entomological Society of Southern Africa
Document type	Article
ZDB-ID	2114779-6
ISSN	1021-3589
ISSN	1021-3589
DOI	10.4001/003.029.0414
Database	NAL-Catalogue (AGRICOLA)

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Article ; Online: Detection of DDoS Vulnerability in Cloud Computing Using the Perplexed Bayes Classifier.

Mishra, Narendra / Singh, R K / Yadav, S K

Computational intelligence and neuroscience

2022 Volume 2022, Page(s) 9151847

Abstract: Cloud computing security has been a critical issue with its increase in demand. One of the most challenging problems in cloud computing is detecting distributed denial-of-service (DDoS) attacks. The attack detection framework for the DDoS attack is ... ...

Abstract	Cloud computing security has been a critical issue with its increase in demand. One of the most challenging problems in cloud computing is detecting distributed denial-of-service (DDoS) attacks. The attack detection framework for the DDoS attack is tricky because of its nonlinear nature of interruption activities, atypical system traffic behaviour, and many features in the problem space. As a result, creating defensive solutions against these attacks is critical for mainstream cloud computing adoption. In this novel research, by using performance parameters, perplexed-based classifiers with and without feature selection will be compared with the existing machine learning algorithms such as naïve Bayes and random forest to prove the efficacy of the perplexed-based classification algorithm. Comparing the performance parameters like accuracy, sensitivity, and specificity, the proposed algorithm has an accuracy of 99%, which is higher than the existing algorithms, proving that the proposed algorithm is highly efficient in detecting the DDoS attacks in cloud computing systems. To extend our research in the area of nature-inspired computing, we compared our perplexed Bayes classifier feature selection with nature-inspired feature selection like genetic algorithm (GA) and particle swarm optimization (PSO) and found that our classifier is highly efficient in comparison with GA and PSO and their accuracies are 2% and 8%, respectively, less than those of perplexed Bayes classifier.
MeSH term(s)	Algorithms ; Bayes Theorem ; Cloud Computing ; Machine Learning
Language	English
Publishing date	2022-07-19
Publishing country	United States
Document type	Journal Article
ZDB-ID	2388208-6
ISSN	1687-5273 ; 1687-5273
ISSN (online)	1687-5273
ISSN	1687-5273
DOI	10.1155/2022/9151847
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article ; Online: Oral Cancer Care and Oromaxillofacial Surgery.

Yadav, S K

Journal of Nepal Health Research Council

2015 Volume 13, Issue 30, Page(s) 169–174

Abstract: Oral cancers are one of the most common cancers affecting people of Nepal and it the sixth most common cancer in the world. Unlike other cancers the early detection of the disease is possible through a routine examination of the oral cavity which is ... ...

Abstract	Oral cancers are one of the most common cancers affecting people of Nepal and it the sixth most common cancer in the world. Unlike other cancers the early detection of the disease is possible through a routine examination of the oral cavity which is usually done by a dental practitioner. Through a series of phases like prevention, screening, early intervention, diagnosis and staging, management with tumor ablative surgeries, and rehabilitation to restore the function and esthetic part for better clinical outcome, the role of the specialty of dentistry is immensified. From a patient perspective, having a direct referral line within the dental community between dentists and oral and maxillofacial surgeons will contribute to cost reduction and improvement in outcomes. Trained oral and maxillofacial surgeon especially in the head and neck oncology plays a vital role in exploring functional multidisciplinary efforts to enhance patient care, academic excellence and research initiatives and evaluate for gaps in patient care. This article highlights the role of such professionals in a multidisciplinary team approach for the proper management of head and neck cancers which have significantly and logically additive effect for a better outcome.
MeSH term(s)	Dentists/organization & administration ; Humans ; Mouth Neoplasms/diagnosis ; Mouth Neoplasms/prevention & control ; Mouth Neoplasms/surgery ; Mouth Neoplasms/therapy ; Nepal ; Oral and Maxillofacial Surgeons/organization & administration ; Patient Care Management/organization & administration ; Physician's Role ; Practice Guidelines as Topic ; Prosthodontics
Language	English
Publishing date	2015-05
Publishing country	Nepal
Document type	Journal Article
ZDB-ID	2551251-1
ISSN	1999-6217 ; 1727-5482
ISSN (online)	1999-6217
ISSN	1727-5482
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article: Optimization of thermodynamic and surface properties of ternary Ti-Al-Si alloy and its sub-binary alloys in molten state.

Yadav, S K / Mehta, U / Adhikari, D

Heliyon

2021 Volume 7, Issue 3, Page(s) e06511

Abstract: Thermodynamic and surface properties of the ternary system were studied at different higher temperatures (1973 K, 2073 K, 2173 K and 2273 K). The thermodynamic properties were studied using the Chou, Kohler and Toop models. Meanwhile, the surface ... ...

Abstract	Thermodynamic and surface properties of the ternary system were studied at different higher temperatures (1973 K, 2073 K, 2173 K and 2273 K). The thermodynamic properties were studied using the Chou, Kohler and Toop models. Meanwhile, the surface properties were investigated using the same models plus the Butler model. The thermodynamic and surface properties of the ternary alloys computed from different models were compared with one another. The surface concentration of the components of the ternary Ti-Al-Si alloy was computed using Butler's equation.
Language	English
Publishing date	2021-03-16
Publishing country	England
Document type	Journal Article
ZDB-ID	2835763-2
ISSN	2405-8440
ISSN	2405-8440
DOI	10.1016/j.heliyon.2021.e06511
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article ; Online: Design of a CH3NH3PbI3/CsPbI3-based bilayer solar cell using device simulation

Khatoon, Sidra / Yadav, S. K. / Singh, Jyotsna / Singh, Rajendra Bahadur

Heliyon. 2022 July, v. 8, no. 7 p.e09941-

2022

Abstract: With lead-based light harvesters, perovskite solar cells (PSCs) have an efficiency of approximately 25.5%, making them a viable photovoltaic technology. The selection of the absorber materials for PSC in this work are (i) Cesium lead iodide (CsPbI₃) with ...

Abstract	With lead-based light harvesters, perovskite solar cells (PSCs) have an efficiency of approximately 25.5%, making them a viable photovoltaic technology. The selection of the absorber materials for PSC in this work are (i) Cesium lead iodide (CsPbI₃) with a 1.73eV bandgap as the first absorber layer, this halide imparts higher stability to perovskite solar cells (ii) CH₃NH₃PbI₃ (MAPbI₃) with a bandgap of 1.55eV is selected as the second absorber layer as this material provides better efficiency to the perovskite solar cells. SCAPS-1D simulation software is used to perform an efficiency analysis of perovskite-perovskite CsPbI₃/MAPbI₃ bilayer solar cell. For efficiency optimization of the perovskite-perovskite bilayer solar cell, we have tried to calibrate seven parameters of the cell. These parameters are (i & ii) selection of the electron and hole transport material (iii, iv & v) variation in the: defect density of bulk material, doping concentration and the thickness of absorber layers, (vi) variation in work function of front electrode (vii) varying interface defect density. After optimization, the efficiency (η) of bilayer PSC is estimated to be 33.54%. The other PV parameters observed in optimal efficiency condition are open-circuit voltage (VOC) = 1.34V, short-circuit current density (JSC) = 27.45 mA/cm² and fill factor (FF) = 90.49%. The CsPbI₃/MAPbI₃ bilayer perovskite solar cell efficiency is roughly double the efficiency of single junction CsPbI₃ or MAPbI₃ PSC. Our analysis observed that the variation in the doping and defect density of narrow bandgap material profoundly impacts the efficiency of perovskite-perovskite bilayer solar cells compared to the wide bandgap material.
Keywords	cesium ; computer simulation ; electric potential difference ; electrodes ; iodides ; lead ; solar cells ; Bilayer solar cell ; Efficiency ; Photovoltaic performance ; Thickness
Language	English
Dates of publication	2022-07
Publishing place	Elsevier Ltd
Document type	Article ; Online
Note	Use and reproduction
ZDB-ID	2835763-2
ISSN	2405-8440
ISSN	2405-8440
DOI	10.1016/j.heliyon.2022.e09941
Database	NAL-Catalogue (AGRICOLA)

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Article: Variation in concentrations of particulate matter with various sizes in different weather conditions in mining zone

Yadav, S. K / Jain, M. K

International journal of environmental science and technology. 2020 Feb., v. 17, no. 2

2020

Abstract: The present study was undertaken to investigate particulate matter (PMs) (PM10, PM2.5 and PM1) mass and number concentration (0.265–10 μm) along a road network in the Jharia coalfields, Dhanbad, Jharkhand, India, using a GRIMM aerosol spectrometer during ...

Abstract	The present study was undertaken to investigate particulate matter (PMs) (PM10, PM2.5 and PM1) mass and number concentration (0.265–10 μm) along a road network in the Jharia coalfields, Dhanbad, Jharkhand, India, using a GRIMM aerosol spectrometer during different weather conditions representing dry weather (DW) and wet weather (WW). The study area was divided into 9 locations representing mining and non-mining areas. The observed values were compared with applicable standards of India (NAAQS) and the World Health Organizations (WHO). Air quality was also determined using an Air Quality Index (AQI) as per new guidelines of the Central Pollution Control Board, India. A detailed comparison between the mining and non-mining areas for the two weather conditions is presented. The PM10 and PM2.5 mass concentrations were a maximum at Godhar (GDR) (mining area) (332; 151 μg/m3, respectively) and higher as compared to the NAAQS (100; 60 μg/m3), WHO (50; 25 μg/m3) and in the non-mining area (125; 42 μg/m3, respectively) during DW; they were reduced significantly because of precipitation by 46% and 18%, respectively, during WW. PM1 and PM1–2.5 were dominant during WW and PM2.5–10 during DW. PM number concentrations (≤ 2.5 μm) were observed almost 1.5–2.5 times lower during WW while compared to DW for all sites. The values of AQI values were significantly reduced during WW compared to DW. The study revealed that concentrations of PMs and AQI values were found lower during WW compared to DW due to light precipitation.
Keywords	aerosols ; air quality ; guidelines ; mining ; particulates ; pollution control ; roads ; spectrometers ; weather ; India
Language	English
Dates of publication	2020-02
Size	p. 695-708.
Publishing place	Springer Berlin Heidelberg
Document type	Article
ZDB-ID	2230399-6
ISSN	1735-2630 ; 1735-1472
ISSN (online)	1735-2630
ISSN	1735-1472
DOI	10.1007/s13762-019-02313-7
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Article: Study of artifacts in thermodynamic and structural properties of Li-Mg alloy in liquid state using linear and exponential models.

Gohivar, R K / Yadav, S K / Koirala, R P / Adhikari, D

Heliyon

2021 Volume 7, Issue 3, Page(s) e06613

Abstract: Temperature-dependent interaction parameters of Redlich-Kister (R-K) polynomials for Li-Mg alloy in liquid phase have been optimized using experimental data in the framework of linear and exponential models. These parameters have then been used to ... ...

Abstract	Temperature-dependent interaction parameters of Redlich-Kister (R-K) polynomials for Li-Mg alloy in liquid phase have been optimized using experimental data in the framework of linear and exponential models. These parameters have then been used to compute the thermodynamic properties (excess Gibbs free energy of mixing, enthalpy of mixing and activity) and structural property (concentration fluctuations in the long-wavelength limit) of the alloy at temperatures 1000 K, 1300 K, 1600 K, 1900 K, and 2200 K. The negative values of excess Gibbs free energy of mixing computed using linear T-dependent parameters increases with the rise in the temperature of the system beyond 1000 K while the same physical quantity computed using the exponential T-dependent interaction parameters decreases with the rise in temperatures and does not show any unusual trends up to 2200 K. Similar behavior has been found in the case of other thermodynamic and structural functions. The unusual behavior that appears in the thermodynamic and structural functions computed using linear T-dependent parameters can be eliminated if these functions are computed using exponential T-dependent parameters.
Language	English
Publishing date	2021-03-30
Publishing country	England
Document type	Journal Article
ZDB-ID	2835763-2
ISSN	2405-8440
ISSN	2405-8440
DOI	10.1016/j.heliyon.2021.e06613
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Article ; Online: Elevated CO

Vanaja, M / Sarkar, B / Sathish, P / Jyothi Lakshmi, N / Yadav, S K / Mohan, Ch / Sushma, A / Yashavanth, B S / Srinivasa Rao, M / Prabhakar, M / Singh, V K

Scientific reports

2024 Volume 14, Issue 1, Page(s) 2928

Abstract: The rising temperatures and levels of carbon dioxide in the atmosphere are anticipated to have a significant impact on the productivity of agricultural crops. Although, the individual effects of elevated ... ...

Abstract	The rising temperatures and levels of carbon dioxide in the atmosphere are anticipated to have a significant impact on the productivity of agricultural crops. Although, the individual effects of elevated CO
MeSH term(s)	Carbon Dioxide/metabolism ; Temperature ; Zea mays ; Photosynthesis/physiology ; Edible Grain/metabolism ; Crops, Agricultural/metabolism
Chemical Substances	Carbon Dioxide (142M471B3J)
Language	English
Publishing date	2024-02-05
Publishing country	England
Document type	Journal Article
ZDB-ID	2615211-3
ISSN	2045-2322 ; 2045-2322
ISSN (online)	2045-2322
ISSN	2045-2322
DOI	10.1038/s41598-024-53343-2
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Article: Diversification Options in Sugarcane-Based Cropping Systems for Doubling Farmers’ Income in Subtropical India

Shukla, S. K. / Sharma, Lalan / Jaiswal, V. P. / Dwivedi, A. P. / Yadav, S. K. / Pathak, A. D.

Sugar tech. 2022 Aug., v. 24, no. 4

2022

Abstract: Crop diversification provides an opportunity for farmers to maximize their profits, fulfilling multiple needs, avoid monsoon threats, and make the crop production system sustainable. Inclusion of various pulse/oilseed/vegetables/cereals/medicinal/ ... ...

Abstract	Crop diversification provides an opportunity for farmers to maximize their profits, fulfilling multiple needs, avoid monsoon threats, and make the crop production system sustainable. Inclusion of various pulse/oilseed/vegetables/cereals/medicinal/aromatic crops with sugarcane brings forth cultivation of these crops in irrigated agro-system and improves the yields of component crops. Besides, the component crops improve soil fertility and create a favorable environment for the further growth of sugarcane crops. Sprouting in winter-initiated sugarcane ratoon could be enhanced by adopting fodder legumes such as Indian clover and Egyptian clover. Intercropping vegetables provides an ample opportunity for mid-season income generation and improves profitability. Besides, high-value medicinal and aromatic crops such as tulsi (holy basil), mentha could also be included in the sugarcane-based system. Crop residue management has been recognized as a critical issue in managing the crops in the various cropping systems. Including multiple bio-agents for fast decomposition of crop residues provides scope for managing soil organic carbon through crop residue recycling in the system. Resource use efficiencies, nutrient use, water use, and weed control could be increased by adopting suitable crops in intercropping systems. An integrated farming system involving crop, livestock, and fisheries options could improve farmers’ profit besides employment generation in rural India. Recycling of bye products and co-products of other enterprises influences the viability and farmer’s profitability of the system. Trash, press mud cake, vinasse, composted bagasse, rhizodeposition of stubble play a significant role in sustaining soil fertility and increasing crop productivity. New emerging crop diversification options, viz., intercropping of rajmash, winter maize, and garlic in autumn cane generate mid-season income and enhance the system's profitability for small and marginal cane growers. Dual-purpose legumes, viz., cowpea, and green gram as intercrops with spring-planted cane increase the pool of soil microbial biomass nitrogen capitalize allelopathic effects and sustain soil health. In the present paper, these issues have been discussed. Due to the adoption of location-specific and farmers-centric systems, farmers’ profitability could be increased, providing sustainability to the sugarcane-based systems.
Keywords	Mentha ; Ocimum tenuiflorum ; Trifolium alexandrinum ; Zea mays ; autumn ; bagasse ; coproducts ; cowpeas ; crop diversification ; crop residue management ; employment ; forage ; garlic ; irrigation ; livestock ; microbial nitrogen ; monsoon season ; mung beans ; oilseeds ; profitability ; rhizodeposition ; soil ; soil fertility ; soil organic carbon ; soil quality ; stubble ; sugarcane ; sugars ; viability ; vinasse ; weed control ; India
Language	English
Dates of publication	2022-08
Size	p. 1212-1229.
Publishing place	Springer India
Document type	Article
ZDB-ID	2433394-3
ISSN	0974-0740 ; 0972-1525
ISSN (online)	0974-0740
ISSN	0972-1525
DOI	10.1007/s12355-022-01127-1
Database	NAL-Catalogue (AGRICOLA)

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