Jayeeta Saha

Techno India University

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Co-Authors

Shilpi Naskar

Jadavpur University

Pinaki Patra

University of Kalyani

Prasanta Kumar Das

Bose Institute

Rahul Sinha

New York University

Pulok K. Mukherjee

Government of India

Himadri Nath Saha

University of Calcutta

Arpitam Chatterjee

Jadavpur University

Kalpana Biswas

University of Kalyani

B. K. Nandi

Indian Institute of Technology Bombay

R. Vaidya

ICMR-National Institute of Virology

Cooperative Institutions

Jadavpur University

University of Engineering & Management

Harish-Chandra Research Institute

University of Calcutta

Saha Institute of Nuclear Physics

Tata Institute of Fundamental Research

A. Alikhanyan National Laboratory

European Organization for Nuclear Research

Physical Research Laboratory

Tata Consultancy Services (India)

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Research Field

Link Adaptation Using Dynamically Allocated Thresholds and Power Control

Wireless Personal Communications (2018)

Jayeeta Saha Suvra Sekhar Das S. K. Mukherjee

Link (geometry)

10.1007/s11277-018-5908-x

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Citations (8)

Production of poly-3-(hydroxybutyrate-co-hydroxyvalerate) by Haloferax mediterranei using rice-based ethanol stillage with simultaneous recovery and re-use of medium salts

Extremophiles (2014)

Anirban Bhattacharyya Jayeeta Saha Saubhik Haldar Asit Bhowmic Ujjal Kumar Mukhopadhyay

Stillage

Corn steep liquor

10.1007/s00792-013-0622-9

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Citations (91)

Exploring the Scope of HSV Color Channels Towards Simple Shadow Contour Detection

Lecture notes in computer science (2017)

Jayeeta Saha Arpitam Chatterjee

HSL and HSV

RGB color space

RGB color model

Feature (linguistics)

10.1007/978-3-319-69900-4_14

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Magnetic Field Driven Dynamic Reorganization of Electrocatalytic Interface for Sustainable Enhancement in Oxygen Evolution

Meeting abstracts/Meeting abstracts (Electrochemical Society. CD-ROM) (2024)

Jayeeta Saha

Hydrogen with high calorific content (150 MJ/kg) and environment-friendly combustion product (H 2 O) becomes the alternative fossil fuel. Catalytic electrolysis of water is one of the attractive routes for generating H 2 . Energy-efficient and cost-effective electrolytic production of H 2 has predominantly focused on lowering the overpotential for water splitting process by developing newer non-Pt group-based catalysts. This work demonstrates a new direction towards sustainable oxygen evolution reaction (OER) by exploiting the fundamental interplay of electromagnetic forces. Introducing an external magnetic field (H ext = 100 mT) perpendicular to the heterogeneous electrocatalytic interface produces an unprecedented increase in rate of electrocatalytic OER in phosphate buffer with pH=7. Such electromagnetic catalysis is achieved with metal phosphides (NiCoP and NiCoFeP) with different morphology, leading 2.5 fold increase in the OER current density and concomitant lowering of overpotential by 10% (H ext = 100 mT). Thereby, 50% lowering of charge transfer resistance (R ct ) is achieved. This is substantiated by the lowering of the Tafel slope (by 5%) in the presence of H ext . Thus, we report two important observations influenced by the magnetic field: (a) direct effect of magnetic field on the catalyst surface to reduce the charge-transfer resistance, (b) spin-dependant OER process to get influenced under magnetic field and (c) indirect effect of magnetic field to sustain the magneto-electrocatalytic enhancement even after removing the magnetic field. The time-scale of magnetic relaxation is million times higher than conventional spin-lattice relaxation events in para/ferromagnetic systems. Such long-term stability of magnetized states is predominantly proposed to be originating from the NiCoP and NiCoFeP interface. So, we attribute the long-lived states to be additionally contributed from the volumetric expansion and active site expansion of the catalyst upon magnetization. Catalyst interface is arising due to the dendritic structure of catalyst. Such synergism of magnetization, is expected to increase the applicability of magneto-electrocatalysis as a more sustainable electrocatalytic approach towards a hydrogen-driven economy. Figure 1

Interface (matter)

Oxygen evolution

10.1149/ma2024-01472639mtgabs

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Water quality analysis, treatment, and economic feasibility of water services of the Neora River in the fringe area of Neora-Valley National Park, India

Water Science & Technology Water Supply (2024)

Sahana Mukherjee Jayeeta Saha Neha Sharma Sovik Das S. S. Chaturvedi

ABSTRACT Surface water assessment is essential for an accurate water management plan. The present investigation was focused on quality analysis, treatment, and economic feasibility of the River Neora, a raw water source in the fringe area of the Neora-Valley National Park, India. Pearson's correlations showed a positive correlation (0.629) between temperature and total solids (TS), whereas a negative correlation (−0.23) for dissolved oxygen with other parameters. In ANOVA, F-value (>1) was obtained for all parameters except BOD5. The water quality index (WQI) was determined to find out whether the river water meets the drinking water requirements for local inhabitants in the lower fringe. A high coliform count (approximately 4.5/100 mL) downstream further warranted the design of an advanced treatment, the electrochemical oxidation batch reactor. To maintain the water quality grade, the estimation of water benefits was mandatory. The water consumption for domestic and non-domestic purposes was calculated at 5,314,400 and 1,470,000,000 L/yr, respectively. Obtainability and no tax coverage might have led to the overexploitation of water, which paved the way for monetary evaluation (US$695.29). This study provided an overview of the potential of River Neora, which can be restored in the long run by adopting the water development policies by the government.

Economic Analysis

10.2166/ws.2024.168

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Basis and Dimension of Exponential Vector Space

arXiv (Cornell University) (2020)

Jayeeta Saha Sandip Jana

Exponential vector space [shortly \emph{evs}] is an algebraic order extension of vector space in the sense that every evs contains a vector space and conversely every vector space can be embedded into such a structure. This evs structure consists of a semigroup structure, a scalar multiplication and a partial order. In this paper we have developed the concepts of basis and dimension of an evs by introducing the ideas of orderly independent set and generating set with the help of partial order and algebraic operations. We have found that like vector space, an evs does not contain basis always. We have established a necessary and sufficient condition for an evs to have a basis. It was shown that equality of dimension is an evs property but the converse is not true. We have studied the dimension of subevs and found that every evs contains a subevs with all possible lower dimensions. Lastly we have computed basis and dimension of some evs which help us to explore the theory of basis by creating counter examples in different aspects.

Basis (linear algebra)

Converse

Scalar multiplication

10.48550/arxiv.2006.06554

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Comparison of Rain Fade Mitigation Techniques Using CRC and Embedded Pilot Methods in Ka-Band Satellite Links

Suvra Sekhar Das Santanu Mondal Jayeeta Saha Kalyan Kumar Bandyopadhyay

The large bandwidth available in Ka-band of the satellite channel is one of the prime motivations for broadband communication via satellite. In tropical regions where there are heavy rains, the link availability due to rain fade is a major concern in the Ka-band. Rain fade mitigation techniques are required to address the problem. Methods for Adaptive Modulation and Coding (AMC) controlled from the application layer, which can be applied to any typical modem which supports multiple data rates, in order to maintain link availability is presented in this work. Algorithms for estimating the link quality, from the application layer, which is essential for successful implementation of AMC is also detailed in this work.

Fade

Ka band

Communications satellite

Ku band

Link adaptation

Adaptive coding

10.1109/vetecs.2011.5956607

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Citations (5)

An Approach Toward Detection of Doubling Print Defect Using SSIM Algorithm

Algorithms for intelligent systems (2023)

Jayeeta Saha Shilpi Naskar

Similarity (geometry)

Feature (linguistics)

Impression

10.1007/978-981-99-1509-5_15

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Monte-Carlo Simulation of the Cholesteric Phase in Liquid Crystals

Molecular crystals and liquid crystals science technology. Section A, Molecular crystals and liquid crystals/Molecular crystals and liquid crystals science and technology. Section A, Molecular crystals and liquid crystals (1994)

Jayeeta Saha B. K. Nandi Pulok K. Mukherjee M. Saha

Abstract Starting from a simple pair interaction potential between chiral molecules, a cholesteric configuration of molecules is generated in a 15 × 15 × 15 system. The effect of temperature on the cholesteric structures is also studied. Unlike the results under the mean field approximation with the same pair potential, the present Monte-Carlo simulation shows a temperature dependence of the pitch.

10.1080/10587259408028205

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Citations (6)

IOT-based drone for improvement of crop quality in agricultural field

2022 IEEE 12th Annual Computing and Communication Workshop and Conference (CCWC) (2018)

Arnab Saha Jayeeta Saha Radhika Ray Sachet Sircar Subhojit Dutta

Unmanned Aerial Vehicles are becoming more and more popular to meet the demands of increased population and agriculture. Drones equipped with appropriate cameras, sensors and integrating modules will help in achieving easy, efficient, precision agriculture. The proposed solutions related to these drones, if integrated with various Machine Learning and Internet of Things concepts, can help in increasing the scope of further improvement. In this paper, the related work in this field has been highlighted along with proposed solutions that can be integrated into the drone using Raspberry Pi 3 B module.

Drone

Scope (computer science)

Precision Agriculture

Raspberry Pi

10.1109/ccwc.2018.8301662

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Citations (134)