Article
Chemistry, Multidisciplinary
Ibrahim Al-Helal, Pietro Picuno, Abdullah A. Alsadon, Abdullah Ibrahim, Mohamed Shady, Ahmed M. Abdel-Ghany
Summary: The effect of greenhouse shape and orientation on the degradation rate of plastic cover optical properties was examined. Results show that different surfaces and orientations of the greenhouse can lead to a decrease in transmittance, but the overall degradation rate is similar.
APPLIED SCIENCES-BASEL
(2022)
Article
Engineering, Multidisciplinary
Hailong Huang, Shahab S. Band, Hojat Karami, Mohammad Ehteram, Kwok-wing Chau, Qian Zhang
Summary: This research predicts monthly solar radiation in different climates using various models and algorithms. The Grasshopper algorithm is applied to improve the performance of the models. The study explores the impact of different parameters on solar radiation and highlights the importance of selecting the most suitable input scenario for accurate predictions.
ALEXANDRIA ENGINEERING JOURNAL
(2022)
Article
Agronomy
I Tsafaras, J. B. Campen, C. Stanghellini, H. F. de Zwart, W. Voogt, K. Scheffers, A. Al Harbi, K. Al Assaf
Summary: This study investigated the water use for evaporative cooling in vegetable production in arid regions, focusing on greenhouse design and cooling system elements. Results showed that improving design can lead to higher productivity and significant water savings. The study also identified the impact of different design elements on water use for cooling, indicating potential for water efficiency improvements.
AGRICULTURAL WATER MANAGEMENT
(2021)
Article
Soil Science
Siyi Tan, Xiangyin Ni, Kai Yue, Shu Liao, Fuzhong Wu
Summary: The study assessed the effects of various durations and magnitudes of increased precipitation on soil CO2 efflux across different biomes. Results showed that increased precipitation stimulated soil CO2 efflux, especially in arid areas.
Article
Soil Science
Wenshuai Li, Xiao-Ming Liu, Yan Hu, Fang-Zhen Teng, Yong-Feng Hu, Oliver A. Chadwick
Summary: This study investigates potassium isotope fractionation within a soil-plant system in humid and arid environments on Kohala Mountain, Hawai‘i. The results show that within the same plant, different tissues have varying potassium isotopic compositions, and isotopic differences are observed between soils of different moisture levels. The study suggests that processes such as K redistribution during intra-plant circulation and K uptake at the root-soil interface contribute to potassium isotope fractionation.
Article
Ecology
Peter J. Golos, Luis Merino-Martin, Lucy E. Commander, Carole P. Elliott, Matthew R. Williams, Ben P. Miller, Kingsley Dixon, Jason Stevens
Summary: The study found that under low rainfall conditions, seedling emergence rates were low, but were higher under median and high rainfall conditions. Soil covers containing topsoil helped increase seedling emergence rates, and blended soil covers performed similarly to topsoil covers when rainfall was sufficient.
ECOLOGICAL ENGINEERING
(2021)
Article
Environmental Sciences
Ibrahim Al-Helal, Abdullah Alsadon, Samy Marey, Abdullah Ibrahim, Mohamed Shady, Ahmed Abdel-Ghany
Summary: This study measures the underground temperature profile and determines the optimal conditions for using geothermal effects in heating and cooling applications in arid regions. It also examines the possibility of water vapor condensation in the pipes and quantifies the maximum cooling/heating capacity. The results provide useful information for designers using geothermal effects for indoor space cooling and heating in arid regions.
Article
Food Science & Technology
Ikhlas Ghiat, Rajesh Govindan, Tareq Al-Ansari
Summary: Evapotranspiration is a crucial water movement process that involves evaporation from the soil and transpiration from plants. This study compares 20 different evapotranspiration models to estimate transpiration in cucumber crops grown in a high solar radiation region. The models are classified into temperature-based, radiation-based, mass transfer-based, and combination models. The results show that the combination-based FAO56 Penman Monteith model performs the best and is the most suitable method for estimating transpiration in CO2 enriched and HVAC cooled greenhouses in high solar radiation regions.
FRONTIERS IN SUSTAINABLE FOOD SYSTEMS
(2023)
Article
Environmental Sciences
Yanqing Zhou, Yaoming Li, Wei Li, Feng Li, Qinchuan Xin
Summary: Understanding the impacts of climate change and human activities on ecosystems is crucial. This study investigated the effects of climate variation and human activities on major indicators of ecosystem functions and conditions in Xinjiang, a typical arid and semi-arid region in China. The results show that human activities have a significant influence on ecosystem indicators in arid and semi-arid zones.
Review
Agronomy
Gareema Pandey, Sophie Parks, Richard G. Thomas
Summary: Growers are using protected cropping to ensure sustainability and continuous crop productivity amidst climate change. Polymer-based shade nets and structures with polymer sheets are being used for physical protection, modification of the environment, and increasing diffuse light. Innovative solutions like artificial illumination, colored films, and spectral-shifting covers are being explored to address concerns about blocked useful light. These methods have the potential to increase crop yield, improve fruit quality, and reduce susceptibility to pests and diseases. This review focuses on the benefits of passive covers in terms of shading, light transmittance, and their effects on vegetative growth and fruit development in different crops.
Article
Agronomy
Anwar Hegazy, Mohammed Farid, Alison Subiantoro, Stuart Norris
Summary: The closed greenhouse utilizes earth-air heat exchangers (EAHE) and fogging to control temperature and humidity efficiently. EAHE decreases water consumption by 50% and reduces maximum interior temperature to 35 degrees Celsius. Compared to a fan-pad system, the closed greenhouse has lower water and energy usage, as well as more stable relative humidity.
AGRICULTURAL WATER MANAGEMENT
(2022)
Article
Green & Sustainable Science & Technology
Cong Wang, Jiangtao Du, Yu Liu, David Chow
Summary: Photosynthetically Active Radiation (PAR) is crucial for plant growth, and a climate-based solar modelling method was found to be more practical in predicting PAR availability. The study showed that ray-tracing solar modelling can effectively predict PAR levels at specific positions, vertical farming activities can benefit from this. Additionally, the roof configuration in large-scale greenhouses has little impact on PAR availability, while the orientation of greenhouse affects the vertical arrangement of planting systems for vertical farming.
JOURNAL OF CLEANER PRODUCTION
(2021)
Article
Plant Sciences
Alexandre Manicoba da Rosa Ferraz Jardim, Jose Edson Florentino de Morais, Luciana Sandra Bastos de Souza, Carlos Andre Alves de Souza, George do Nascimento Araujo Junior, Cleber Pereira Alves, Gabriel italo Novaes da Silva, Renan Matheus Cordeiro Leite, Magna Soelma Beserra de Moura, Joao L. M. P. de Lima, Thieres George Freire da Silva
Summary: This study investigates the interannual and seasonal behavior of the surface energy balance, environmental conditions, morphophysiological parameters, biomass yield, and water relations of Nopalea cochenillifera in Brazil's semi-arid region. The results show that net radiation is significantly higher during the wet season. There is no significant difference in latent heat flux between the wet and dry seasons, but it is higher during the dry-wet transition. Soil heat flux decreases significantly during the wet season. Evapotranspiration does not differ between wet and dry seasons, but there is a 40% reduction during the dry-wet transition. The plants exhibit high cladode water content and biomass during the evaluation period.
Article
Ecology
Huihui Feng, Shihan Wang, Jian Xiong, Bin Zou, Wei Wang
Summary: This study used ground observations to estimate the variations of surface radiation budget in grassland and urban areas in a subtropical humid region. The results showed that grassland had higher shortwave radiation, while urban areas had higher longwave radiation. The surface radiation budget was higher in grassland compared to urban areas, mainly due to the difference in longwave radiation. Atmospheric pressure showed a strong correlation with radiation, while precipitation and relative humidity had relatively weak correlations. The correlations with climate were stronger in grassland than in urban areas, indicating complex interactions with anthropogenic factors during urbanization. The results of this study can help understand the characteristics and mechanisms of surface radiation budgets and support climate adaptation and ecological management.
FRONTIERS IN ECOLOGY AND EVOLUTION
(2023)
Article
Multidisciplinary Sciences
James L. France, Mark F. Lunt, Marcos Andrade, Isabel Moreno, Anita L. Ganesan, Thomas Lachlan-Cope, Rebecca E. Fisher, David Lowry, Robert J. Parker, Euan G. Nisbet, Anna E. Jones
Summary: This study measures the methane concentration in the Llanos de Moxos wetlands in northern Bolivia and finds that the daily methane flux in this area is very high, potentially contributing up to 8% of annual methane emissions in the Amazon Basin.
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
(2022)
Article
Management
Guilherme F. Frederico, Vikas Kumar, Jose Arturo Garza-Reyes, Anil Kumar, Rohit Agrawal
Summary: This study investigates the impact of I4.0 technologies and their interoperability on supply chain performance and explores how the integration of such technologies and their interoperability can create pathways for supply chain resilience post-COVID-19. The findings indicate that the integration of I4.0 technologies and their interoperability have a positive impact on supply chain performance and profitability, but do not improve efficiency.
INTERNATIONAL JOURNAL OF LOGISTICS MANAGEMENT
(2023)
Article
Computer Science, Artificial Intelligence
Sathishkumar Karupusamy, J. Refonaa, Sakthidasan Sankaran, Priyanka Dahiya, Mohd Anul Haq, Anil Kumar
Summary: The development of IoT systems has created higher demands for processing and storage environment, as well as raised issues such as energy consumption and data compression. This article proposes an approach that utilizes data mining to optimize energy usage and compress data, validated through the analysis of driving behavior.
Article
Computer Science, Artificial Intelligence
Selvin Shabu Lilly Pushpam Jany Shabu, Kusum Yadav, Elham Kariri, Kamal Kumar Gola, Mohd AnulHaq, Anil Kumar
Summary: This paper investigates trajectory data query processing and similarity measurement methods in a cloud environment. By extending traditional data processing techniques and leveraging the highly parallel processing capabilities of large clusters in the cloud, a two-phase trajectory similarity measure is proposed. Additionally, new methods for trajectory clustering and query processing are developed, which involve trajectory analysis and evaluation to reduce computational difficulty and workload compared to existing methods.
Article
Automation & Control Systems
J. Refonaa, Dinh Tran Ngoc Huy, Nguyen Dinh Trung, Hoang Van Thuc, Roop Raj, Mohd Anul Haq, Anil Kumar
Summary: Structural engineering is a specialized field that deals with the stability of structures and buildings. Optimization of cost and time is crucial in construction processes. Artificial neural network (ANN) has been developed to handle issues related to cost estimation and optimization, enhancing construction procedures and methodologies using deep learning techniques.
INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY
(2023)
Article
Engineering, Electrical & Electronic
P. Saini, L. K. Balyan, A. Kumar, G. K. Singh
Summary: This paper presents a comparison scenario of adaptive spectral filtering for resolution of the Gibbs phenomenon. Several spectral filter functions are compared using Chebyshev collocation and Legendre collocation spectral methods, in terms of pointwise and L-2 normed-wise convergence analysis of computed filtered approximations.
SIGNAL IMAGE AND VIDEO PROCESSING
(2023)
Article
Pharmacology & Pharmacy
Radhika T. Krishnakumar, Amrita Asok, Zubair U. Mohamed, Uma D. Padma, Dipu T. Sathyapalan, Merlin Moni, Sabarish Balachandran, Anil Kumar, Rajesh Nair, Surendran Sudhindran, Sanjeev K. Singh
JOURNAL OF PHARMACY PRACTICE
(2023)
Article
Food Science & Technology
Shimpy, Mahesh Kumar, Anil Kumar
Summary: This article provides an overview of solar drying technologies for small rural agricultural farms, focusing on domestic applications. A significant amount of perishable items are wasted annually at the household level due to various reasons. The article reviews and presents natural and forced convection solar dryers, highlighting their temperature and thermal efficiency. Natural convection solar dryers are suitable for rural areas due to their simple design and lower requirements, while forced convection solar dryers offer better performance and faster drying time for high moisture content products. The designs of indirect and mixed-mode solar dryers in domestic applications are rare. Solar dryers have the potential to reduce drying costs by 50% and improve returns by 30%.
FOOD ENGINEERING REVIEWS
(2023)
Review
Food Science & Technology
Shimpy, Mahesh Kumar, Anil Kumar
Summary: This article provides an overview of performance indicators and modeling techniques used for evaluating and analyzing solar dryers. It emphasizes the importance of environmental impact and product quality and suggests the establishment of a comprehensive assessment criterion for domestic solar dryers.
FOOD ENGINEERING REVIEWS
(2023)
Article
Thermodynamics
Asim Ahmad, Om Prakash, Anil Kumar, Md Shahnawaz Hussain
Summary: This study focuses on an experimental investigation of a mixed heat storage-based hybrid greenhouse dryer. The system combines a solar air heater and a greenhouse dryer, with a mixed heat storage material applied on the bed of the dryer. Tomato flakes were dried in both the hybrid system and natural sun drying, with higher rehydration rates and drying efficiency observed in the hybrid mode. The solar drying process improved the physicochemical properties of the tomato flakes, extending their shelf life.
JOURNAL OF THERMAL SCIENCE AND ENGINEERING APPLICATIONS
(2023)
Review
Energy & Fuels
Anisha, Anil Kumar
Summary: Electric vehicles (EVs) have become a viable solution to the global climate crisis, with rechargeable battery packs serving as the energy storage system. The battery thermal management system (BTMS) plays a crucial role in regulating the performance of these vehicles. This paper focuses on the efficiency of liquid cooling-based BTMS for actual drive cycles and discusses various techniques to optimize its performance.
Review
Energy & Fuels
Sanjeev Kumar Bhukesh, Suresh Kumar Gawre, Anil Kumar
Summary: This paper reviews the principle, development, and applications of thermoelectric power generation, including solar concentrators, heat recovery systems, and the potential of TEG in various fields. It provides deep insights for academia, researchers, and industrialists in customizing TEG projects before actual realization.
ENERGY SOURCES PART A-RECOVERY UTILIZATION AND ENVIRONMENTAL EFFECTS
(2023)
Article
Energy & Fuels
Djamel Mennouche, Tarik Hadibi, Abdelghani Boubekri, Amina Boudouaya, Abdellouahab Benseddik, Muesluem Arici, Anil Kumar, Yunfeng Wang
Summary: This study investigated the hot air drying (HAD) of tomato waste through experimental investigation and mathematical modeling. The effects of drying temperature and air velocity on drying kinetics, biological properties, and optimization were examined. The results showed that increasing the drying temperature from 50 to 60 degrees C reduced the drying time by 5 and 20 minutes for air velocities of 1 and 2 m/s, respectively. The proposed mathematical model had a high correlation coefficient of 0.9997, accurately describing the moisture variation of tomato waste. The analysis also revealed changes in polyphenol (PPT), flavonoid (TFC), lycopene content (LYC), and ascorbic acid (AA).
ENERGY SOURCES PART A-RECOVERY UTILIZATION AND ENVIRONMENTAL EFFECTS
(2023)
Article
Computer Science, Hardware & Architecture
Neelam Baghel, K. Manjunath, Anil Kumar
Summary: This research focuses on SDG7 of the UN, which is affordable and clean energy. It analyzes the performance of solar photovoltaic systems under composite climatic conditions using PVsyst and RSM. The study investigates the impact of tilt angle and albedo, finding that specific production increases with higher tilt angles and albedo. The optimal tilt angle is 25° at 0.54 albedo, with a maximum specific production of 1643.3 kWh/kWp/year.
COMPUTERS & ELECTRICAL ENGINEERING
(2023)
Article
Thermodynamics
Sanjeev Kumar Bhukesh, Anil Kumar
Summary: This paper presents a numerical simulation and experimental validation of a Giant Water Lens Solar Thermoelectric Generator (GWLSTEG) system. The results show that the system can significantly increase heat flux intensity and achieve a maximum overall system efficiency of 12.04%. Furthermore, the system performs better during the daytime.
ENERGY CONVERSION AND MANAGEMENT
(2023)
Article
Thermodynamics
Mukul Sharma, Deepali Atheaya, Anil Kumar
Summary: This study evaluated the performance of an indirect type domestic hybrid solar dryer (ITDHSD) for drying tomato flakes in terms of thermal, environmental, economical, and quality parameters. The dryer achieved a final moisture content of 9% (wb) in 10 h during November 2021. The results showed that the ITDHSD system can provide an economical, efficient, and environmentally friendly alternative to traditional drying methods, reducing energy consumption, greenhouse gas emissions, and improving the quality of dried products. These findings can provide useful insights for designing and implementing sustainable and cost-effective drying systems for other food products.
THERMAL SCIENCE AND ENGINEERING PROGRESS
(2023)
