
Aritra Ghosh- PhD, MSc, BTech
- Lecturer at University of Exeter
Aritra Ghosh
- PhD, MSc, BTech
- Lecturer at University of Exeter
About
178
Publications
112,782
Reads
How we measure 'reads'
A 'read' is counted each time someone views a publication summary (such as the title, abstract, and list of authors), clicks on a figure, or views or downloads the full-text. Learn more
8,772
Citations
Introduction
Aritra Ghosh (BTech, MSc, PhD) is a Lecturer currently works at the Department of Renewable Energy, University of Exeter. He has expertise in smart switchable material (electrochromic, suspended particle device, liquid crystal), advanced glazing technologies (vacuum, aerogel), BIPV, soiling of PV and anti soiling technology. He has a special interest in building physics including materials science, solar radiation, occupant's thermal and visual comfort, thermal radiation, solar powered EV
Current institution
Publications
Publications (178)
To address global energy challenges and reduce greenhouse gas emissions, renewable energy generation, particularly from solar power, is essential due to its environmentally friendly electricity production. However, traditional silicon-based solar PV systems face two key issues: reduced efficiency under high ambient temperatures and the large amount...
There have been several studies conducted on the economic viability of home battery systems paired with rooftop solar PV systems over the years; however, there have been far fewer studies looking into the economic viability of standalone home battery systems, which is the main area assessed in this study. Rather than being used to store excess sola...
The tendency towards solar energy is increasing daily due to the high increase in net energy demand and recent efforts to reduce high carbon emissions. This causes invasions of agricultural lands and forest areas. Photovoltaic (PV) systems combined with agricultural production (agrivoltaics) are being developed as a potential solution. In addition...
This review paper explores the integration of phase change materials (PCMs) in building insulation systems to enhance energy efficiency and thermal comfort. Through an extensive analysis of existing literature, the thermal performance of PCM-enhanced building envelopes is evaluated under diverse environmental conditions. This review highlights that...
This study focuses on the multi-objective optimization of a switchable Suspended Particle Device (SPD) vacuum glazing system to reduce energy use while ensuring thermal and visual comfort in schools located in arid desert environments. A detailed synergy analysis was performed on a representative floor from three school classroom typologies, compar...
The design of school building typologies, along with the use of advanced glazing systems such as suspended particle devices (SPD), is crucial for determining visual comfort for students. Recent research has focused on integrating SPD in architectural elements such as skylights, clerestories, and windows. In hot desert climates, minimizing window ar...
Green hydrogen production from renewable energy sources has emerged as a promising solution towards achieving the global target of net-zero emissions by 2050. The sultanate of Oman is among the countries that have a significant green hydrogen potential, as evident by the national target of producing one million tons of green hydrogen by 2030. This...
The text begins by discussing the sustainable buildings, energy efficient technologies, advanced materials, advances in renewable energy for building sector, green intelligent infrastructure, policies on sustainable infrastructure, and life cycle assessment. It further presents design considerations, challenges, and applications of net zero energy...
The introductory chapter serves as a comprehensive primer on the essential principles, concepts, and advancements in energy-efficient building design and technology. Beginning with a global perspective on the urgency of sustainable construction, the chapter navigates through fundamental principles, architectural considerations, insulation materials...
Agrivoltaics combines photovoltaic and agricultural systems to create a synergistic arrangement where land can be utilised more efficiently. The investment cost for the photovoltaic system remains higher for an agrivoltaic system than a traditional ground-mounted photovoltaic system due to the increased height above the ground, however, the revenue...
Windows have long been recognized as the weakest link in a building’s thermal envelope due to their inherently low thermal resistance and static transmittance, resulting in increased energy consumption. Integrating energy-efficient Smart Switchable Glazing Systems (SSGS) has become a critical consideration for sustainable building design. In this s...
Bifacial photovoltaics (bPV) provide an advantage over their traditional monofacial counterparts as they can utilise solar radiation incident on both the front and rear side of the module, allowing for increased energy production. While this is an advantage on the side of bPV, the amount of energy produced by the rear side of the bPV panel can vary...
Globally building sector consumes a significant amount of fossil fuel-generated grid energy which emits a considerable level of carbon emissions. These scenarios can be an obstacle to sustainable or smart city developments. In a building which consists of various components, windows are the most influential to contribute to this energy consumption....
Rapid urbanization across hot arid environments transforms local microclimates, yet linkages between density, layout, and outdoor thermal comfort remain inadequately characterized. This study investigates these correlations in the desert city of Biskra, Algeria. We conducted extensive in-situ measurement campaigns during peak summer and winter peri...
In green energy buildings, air conditioning charges can be lowered through careful planning of the building’s envelope. This article investigates several strategically designed phase change material (PCM) roof envelopes for savings on air conditioning prices, CO2 emission abatement, and payback timeframes in hot–arid and warm-temperate climates, ta...
Bifacial photovoltaics (BPVs) are a promising alternative to conventional monofacial photovoltaics given their ability to exploit solar irradiance from both the front and rear sides of the panel, allowing for a higher amount of energy production per unit area. The BPV industry is still emerging, and there is much work to be done until it is a fully...
Countless years have been spent researching the strategies necessary for improving the energy consumption of buildings globally. There have been numerous attempts at achieving both passive solutions and enhancing and optimising the existing active systems. This paper seeks to review, analyse and summarise the possibilities of using thermoelectricit...
The UK is planning to ban the sale of fuel vehicles entirely by 2035 and electric vehicles will be a potential alternative to fuel vehicles. The increase in electric vehicles will increase the charging demand. Standalone charging stations are a potential solution to alleviate the grid challenges of increased charging demand. In this work, the autho...
Electric vehicles (EVs) are inducing revolutionary developments to the transportation and power sectors. Their innumerable benefits are forcing nations to adopt this sustainable mode of transport. Governments are framing and implementing various green energy policies. Nonetheless, there exist several critical challenges and concerns to be resolved...
The well-documented potential of polymer dispersed liquid crystal (PDLC) glazing in building façade applications and the lack of detailed optical modelling represents a significant research gap. This work presents a detailed optical model of PDLC glazing, capable of accurately reproducing its characteristics, such as scattering in the translucent s...
To accomplish a completely sustainable environment and meet the United Nations' sustainable development goal, power generation from solar photovoltaics (PV) is indispensable. Nevertheless, because of the low power conversion, land-based PV (LPV) plant needs a substantial amount of land, which is an intricate issue. Because of the growth of the popu...
A common strategy for employing net zero energy buildings (NZEBs) in the United Kingdom (UK) to achieve the national target for 2050 is improving the thermal insulation in glazing units to reduce the space heating load. This study examines the impact of aerogel technologies as an effective strategy for window retrofits under the UK climate. Eleven...
The main objective of this article is to perform the turning operation on an EN36B steel work-billet with a tungsten carbide tool, to study the optimal cutting parameters and carry out an analysis of flank-wear. Experimental and simulation-based research methodology was opted in this study. Experimental results were obtained from the lab setup, and...
Two dimeric smectic molecules, namely α-ω-bis (4-n-pentylanilinebenzylidene-4′-oxy) butane (PABO4) and α-ω-bis (4-n-pentylanilinebenzylidene-4′-oxy) pentane (PABO5), have been considered for sensing UV light. The compounds’ optimization process has been performed through B3LYP hybrid functional together with basis set 6-31+G (d) using the input par...
This study explored the applications of liquid hydrogen (LH2) in aerospace projects, followed by an investigation into the efficiency of ramjets, scramjets, and turbojets for hypersonic flight and the impact of grey, blue, and green hydrogen as an alternative to JP-7 and JP-8 (kerosene fuel). The advantage of LH2 as a propellant in the space sector...
The presence of more than one transparency and controllable intermediate transmission between ON and OFF states make the switchable smart glazing more attractive for less energy-hungry building integration than a static transparent window. However, to enable this switchable glazing for cold climatic buildings, overall heat transfer through the glaz...
The window of a building is a pivotal constituent as it conserves the connection between the building's interior and exterior. High transmission is one of the foremost benchmarks for a window system however, this high transmission includes direct and diffuse. Except for the viewing obstacle, diffuse transmission has several other advantages such as...
The scientific literature extensively mentions the use of a solar air heater (SAH) by utilizing solar energy for heating purposes. The poor heat-transfer rate of an SAH with a flat plate is caused by developing a laminar sub-layer near the heated base plate. The plate temperatures improve significantly, resulting in losses and a decrease in perform...
The rapidly increasing demand for energy storage has been consistently driving the exploration of different materials for Li-ion batteries, where the olivine lithium-metal phosphates (LiMPO4) are considered one of the most potential candidates for cathode-electrode design. In this context, the work presents an extensive comparative theoretical stud...
As more nations move towards net-zero emission goals by 2050, research into the coupling of photovoltaics (PV) and agriculture has increased into a new sector of agrivoltaics (AV). Measurement of the Land Equivalent Ratio (LER) has allowed researchers to develop methods for optimizing the agrivoltaic system. Studies on innovative engineering techno...
The world is transitioning towards a net zero emissions future and solar energy is at the forefront of the transition. The land use requirements to install solar farms present a barrier for the industry as population density increases and land prices rise. Floating photovoltaics (FPV) addresses this issue by installing solar photovoltaics (PV) on b...
Boiling is considered an important mode of heat transfer (HT) enhancement and has several industrial cooling applications. Boiling has the potential to minimize energy losses from HT devices, compared with other convection or conduction modes of HT enhancement. The purpose of this review article was to analyze, discuss, and compare existing researc...
The objective of the present work is to carry out analytical and finite element analysis for commonly used coating materials for micro-milling applications on high-speed steel substrate and evaluate the effects of different parameters. Four different coating materials were selected for micro-milling applications: titanium nitride (TiN), diamond-lik...
Green hydrogen production is one of the most desirable sustainable goals of the United Nations. Thus, for that purpose, we developed hematite (α-Fe2O3), an n-type semiconductor, a desirable candidate for photoelectrochemical (PEC) water splitting, enabling hydrogen evolution. High recombination losses, low efficiency, and large-scale production hin...
As one of the pioneers in solar photovoltaic (SPV) installations, India has witnessed several challenges related to performance; dust accumulation is one among them which needs attention. On the other side, most installers and SPV system owners do not have informed knowledge of dust accumulation rates (DAR) and optimum cleaning frequencies (OCF). I...
Soiling consists of the accumulation of dust on the solar panel's surface and has a deleterious effect on solar photovoltaic devices' performance, which varies with location. However, soiling losses and rates are significantly under-reported or underestimated since regional differences and seasonal variations are overlooked. Accurate prediction of...
Smart switchable glazing windows have become an alternative energy-saving solution for achieving visual comfort and reducing energy consumption. In Saudi Arabia, significant amounts of energy are lost through external envelope façades due to the integration of conventional glazing systems. Thus, in this work, experimental characterisation and numer...
Perovskite solar cells (PSC) have been identified as a game-changer in the world of pho-tovoltaics. This is owing to their rapid development in performance efficiency, increasing from 3.5% to 25.8% in a decade. Further advantages of PSCs include low fabrication costs and high tunability compared to conventional silicon-based solar cells. This paper...
To attain a comfortable building interior, building windows play a crucial role. Because of the transparent nature of the window, it allows heat loss and gain and daylight. Thus, they are one of the most crucial parts of the building envelope that have a significant contribution to the overall building energy consumption. The presence of dust parti...
This article explores optical and thermal characteristics of different colored stained glasses extensively found in historic religious architectures. Solar-optical and color rendering properties of glass samples were explored with spectrophotometry experimentally. Thermal analyses in cardinal and intercardinal orientations were performed to calcula...
Engineers use double-skin façades (DSF) to lower the energy consumption of buildings as they can potentially control incoming wind speeds and the amount of solar heat gain. The purpose of this present study was to (1) evaluate the use of DSFs, (2) its efficacy in improving the energy performance of high-rise office buildings in the hot, dry summer...
The thermal performance of window glazing requires improvement for a sustainable built environment at an acceptable cost. This work has attempted to develop a smart composite coating that combines photosensitive metal oxide and phase change materials and investigate their thermal comfort performance as a glazed window. Current work demonstrates a m...
Energy generation from conventional energy sources, such as oil, coal, and gas, produces adverse environmental pollutants, e [...]
Building’s energy conservation signifies a lowering in building energy consumption without sacrificing thermal comfort. Window glazing is the most suitable approach to the built environment that can be controlled through its sustainable development for global energy consumption. In this work, for the first time, paraffin incorporated SnO2-Al2O3 com...
Building fenestrations are the key components maintaining the connection between building exterior and interior. However, they are also the weakest allowing heat loss, gain and light. To tackle the enhanced building energy demand, active and passive both ways must be included. Benign energy-generating components and passive energy-saving are both c...
Worldwide energy consumption and CO2 emissions increase yearly and the building industry contributes the most out of all the other sectors. The residential building sector of the building industry provides the largest portion of energy consumption. Reducing energy gains through elements of the building envelope such as windows is a way to combat in...
Five different rare‐earth‐based nanocrystalline high entropy oxides (HEOs) with fluorite structure and average crystallite sizes between 6 and 8 nm are prepared and their photocatalytic behavior toward azo dye degradation and photoelectrochemical water splitting for hydrogen generation is examined. The cationic site in the fluorite lattice consists...
In Nigeria, the rapid population increase and the overreliance on fossil fuel have created significant environmental, health, political, and economic consequences leading to severe socio-economic drawbacks. These factors have developed a wide gap between energy demand and supply due to insufficient local production, necessitating a clean energy sup...
In this study, the overall energy consumption and visual comfort of a switchable suspended particle device (SPD) smart window were investigated as part of the glazing integration of an adaptive building designed to consume less energy in a hot desert climate. A typical floor of a commercial office building in Riyadh was chosen for the energy and vi...
Smart switchable glazing provides better thermal control and daylighting performance in building compared to conventional glazing. The polymer dispersed liquid crystals (PDLC) glazing can switch translucent to transparent when an active electric field is applied. Solar and visible light properties were measured experimentally for four different col...
Limited reserves of fossil fuels, rising environmental concerns, and a remarkable increase in electricity demand have led to the necessity of harnessing solar energy on a large scale. For this purpose, there has been a noticeable stimulation into photovoltaic power plants (PVPPs) over the last three decades, but the land requirement for PVPPs is st...
Sustainable building with smart windows is a promising technology. Due to their nanostructured and composite materials, perovskite devices can play a crucial role as tunable transparent or semi-transparent photovoltaics managing the buildings' energy health for harvesting, storage and utilization. Here, the temperature profile of different properti...
The performance of solar photovoltaic (SPV) power plants is adversely affected by soiling losses caused by natural dust deposition on the module surface. The size and density of dust particles vary depending on the location. Thus, it is essential to investigate the impact of dust collection on SPV module performance. This work investigates the effe...
This work aims at the preparation of oxidation-resistant copper (Cu) nanoparticles using biocompatible and naturally available polymers such as polyacrylamide and xanthan gum for their possible application in nanofluid and nanohydrogels. Cu nanoparticles as powder were successfully synthesized using a simple chemical reduction technique followed by...
Electric vehicles have zero tailpipe emissions and can reduce greenhouse gas emissions by up to 90% compared to internal combustion engine (ICE) vehicles. Electric retrofits involve converting an ICE vehicle to an electric drivetrain, aiding the transition to zero emission vehicles by adapting current vehicles and, thus, reducing the transport sect...
Internal combustion engine (ICE)-based vehicles have contributed considerably to air pollution [...]
Strategic selection of glazing, its window-to-wall ratio, and wall thickness of building reduce the energy consumption in the built environment. This paper presents the experimental results of solar optical properties of five glasses: clear, tinted bronze, tinted green, bronze reflective, and polymer dispersed liquid crystal glasses. Laterite room...
The role of energy is cardinal for achieving the Sustainable Development Goals (SDGs) through the enhancement and modernization of energy generation and management practices. The smart grid enables efficient communication between utilities and the end- users, and enhances the user experience by monitoring and controlling the energy transmission. Th...
The UK government has set a ban on the sale of new petrol and diesel cars and vans by 2030. This will create a shift to electric vehicles. which will present a substantial impact on the grid. Therefore, methods to reduce the charging station’s impact on the grid have to be developed. This paper’s objective is to evaluate how integrating solar and s...
The photovoltaic (PV) system's performance suffers from intensifying external factors such as soiling, particularly in arid and semi-arid regions with massive solar energy potential. Mitigation techniques are one of the crucial factors to prevent and restore PV performance. Therefore, in this study, five cost-effective mitigation techniques such as...
Photovoltaic performance is significantly affected by soiling on its covering surface, which is strongly influenced by its tilt angle. This raises concern for the potential investor, policymakers, engineers, and local populace in regions where the soiling rate and its potential threats remain relatively unexplored. This study investigated the effec...
The photovoltaic device's economic and environmental merits have made it the most suitable clean energy alternative to help developing countries achieve the SDG-7. However, the low efficiency of the device, which is undergoing massive study across the globe, there is another omnipresent factor, such as surface soiling that has a deleterious effect...
Solar energy is going to be a major component of global energy generation. Loss due to dust deposition has raised a great concern to the investors in this field. Pre-estimation of this reduced generation and hence the economic loss will help the operators’ readiness for efficient and enhanced economic energy management of the system. In an earlier...
Due to depleting fossil fuel reserves coupled with a climate crisis, sustainability is gaining ground, and electric vehicles (EVs) are emerging to be the new face of this field. However, the idea of EVs will be genuinely sustainable only if they are charged using renewable energy. This paper presents results from the design of a solar-powered EV ch...
Polymer dispersed liquid crystal (PDLC) is an electrically switchable smart window, that can provide privacy and control solar radiation, resulting in a potential energy saving. The optical properties of the PDLC window can be altered from translucent to transparent when an alternating current power supply is applied. However, little attention has...
Increasing energy demand in buildings with a 40% global share and 30% greenhouse gas emissions has accounted for climate change and a consequent crisis encouraging improvement of building energy efficiency to achieve the combined benefit of energy, economy, and environment. For an efficient system, the optimization of different design control strat...
In this paper, a novel cost-effective demand side management and peak power shaving have been demonstrated by optimized scheduling of renewable energy source integrated grid connected hybrid microgrid and vanadium redox flow battery (VRFB) storage. To promote the waste to energy for the rural and urban communities, the biogas energy source is integ...
3D porous, thin sheet-like rGO aerogel was fabricated to explore its antimony (Sb) removal potential from wastewater. Langmuir isothermal and pseudo-second-order kinetic model best-suited the adsorption process. The maximum adsorption capacities were 168.59 and 206.72 mg/g for Sb (III and V) at pH 6.0 respectively. The thermodynamic parameters desi...
The use of solar energy in water heating applications, such as in solar-assisted heat pump systems, has great benefits, such as reductions in heat transfer losses, control over incident solar heat, and generation of environmentally benign water heat. In the present study, we performed parametric optimization based on an experimental model of a sola...
Over 50% of the total energy consumed by buildings in a hot and dry climate goes toward the cooling regime during the harsh months. Non-residential buildings, especially houses of worship, need a tremendous amount of energy to create a comfortable environment for worshipers. Today, mosques are regarded as energy-hungry buildings, whereas in the pas...
The United Nation's Sustainable Development Goals (SDGs) want to have a peaceful world where human life will be in a safe, healthy, sustainable environment without any inequalities. However, the year 2020 experienced a global pandemic due to COVID-19. This COVID-19 created an adverse impact on human life, economic, environment , and energy and tran...
In this work, temperature regulation and electrical output of a concentrated photovoltaic system coupled with a phase change material (CPVPCM) system is investigated and compared with a single sun crystalline photovoltaic (PV) system. A fully coupled thermal-optical-electrical model has been developed in-house to conduct the simulation studies for...
Among the different kinds of renewable energy sources, solar energy plays a major
role because it is safe and inexpensive at all times. Several techniques are developed
for steam and electricity generation by solar energy, in which the parabolic trough
collector is an advantageous method for generating steam and electricity. Different
types of coll...