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Showing papers in "Sustainable Energy Technologies and Assessments in 2021"


Journal ArticleDOI
TL;DR: In this article, the authors present the outlook of work conducted worldwide on the different types of concentrated photovoltaics and the effect of various performance affecting parameters, challenges, and recent progress.

116 citations


Journal ArticleDOI
TL;DR: Biodiesel has been emerging as a potential and promising biofuel for the strategy of reducing toxic emissions and improving engine performance, and the development of a novel approach like the ANN model to anticipate engine performance and exhaust emissions with high accuracy was believed to be the best choice.

111 citations


Journal ArticleDOI
TL;DR: This paper introduces an advanced approach for CH selection using a modified Rider Optimization Algorithm (ROA) on the intra-distance inter-distance between the CH and nodes in the IoT and wireless sensor networks.

97 citations


Journal ArticleDOI
TL;DR: In this article, a numerical analysis on the thermo-natural convection as well as entropy generation of Al2O3-H2O nanofluid enclosed by two circular cylinders in the presence of magnetic fields was performed.

96 citations


Journal ArticleDOI
TL;DR: In this article, the optimal size of a photovoltaic (PV)/wind/biomass hybrid system with and without energy storage built on the base of boosting the demand-supply fraction (DSF) and the renewable energy fraction (FR) with a net present value larger than or equals to zero.

94 citations


Journal ArticleDOI
TL;DR: In this article, the key advantages and disadvantages of hybrid nanofluids as heat transfer agents in solar energy collectors are identified. And the limitations of the presented studies, relating to stability and pumping power requirements, as well as recommendations for future investigation are addressed.

88 citations


Journal ArticleDOI
TL;DR: In this article, the authors investigated how structural changes and economic activities impact on the environment in Japan and used economic complexity and ecological footprint as key factors instead of using traditional economic and environmental factors.

88 citations


Journal ArticleDOI
TL;DR: In this paper, a one-year dynamic simulation was performed using TSOL 5.5 software and Meteonorm 7.1 to obtain the climatic data and the main purpose of the study is to provide the heating power for space heating and sanitary hot water for a residential house in sixteen stations located in Belgium using evacuated tube solar water (ETSW).

80 citations


Journal ArticleDOI
TL;DR: In this article, the suitability of chitosan as an adsorbent for heavy metal removal was analyzed and the effect of modifications on the adsorption performance was discussed.

75 citations


Journal ArticleDOI
TL;DR: In this paper, the performance of a low cost, economically viable and a novel forced convection solar drying system was examined. And the performance evaluation of each element of the dehydrating system was carried out on the basis of energy and exergy analyses.

71 citations


Journal ArticleDOI
TL;DR: In this article, a combined heat and power system based on biomass gasification, compressed air energy storage (CAES), and gas turbine power plant is introduced and analyzed by using ASPEN PLUS.

Journal ArticleDOI
TL;DR: In this paper, the performance of a single basin solar still using two different augmentation approaches was investigated, namely, reduced graphene oxide (RGO) coated absorber plate in solar still and RGO coated absorbber plate along with activated carbon pellet as sensible heat energy storage medium.

Journal ArticleDOI
TL;DR: A Deep Belief Network (DBN) with Recurrent LSTM Neural Network (R-LSTM-NN) is proposed for prediction of big data that are collected from smart cities based on IoT, mainly concentrates in predicting the fire hazard values that gathered fromsmart cities using IoT devices.

Journal ArticleDOI
TL;DR: In this article, the battery composition is investigated in detail as a factor for the final impacts, by comparing two types of cathodes for the lithium-ion battery and the use of recycled electrolyte for the vanadium flow battery.

Journal ArticleDOI
TL;DR: Present review focused on scaling-up barriers and realistic status of MFC technology towards practical use as well as techno-economic assessment of the system.

Journal ArticleDOI
TL;DR: An energy hub management model for residential, commercial, and industrial hubs, considering demand response programs (DRPs), is proposed and results show that the coordinated operation would lead to reducing the operating cost, power losses, and emission.

Journal ArticleDOI
TL;DR: In this article, a parabolic trough collector equipped with a turbulator is introduced and its hydrothermal performance is evaluated through simulation, which revealed that the ribbed absorber tube and the concentric rod insert are the most optimum turbulators.

Journal ArticleDOI
TL;DR: In this paper, the authors reviewed the application of concentrated solar power in thermolysis, thermochemical cycle, hydrocarbon cracking, reforming, and solar gasification, and outlined the key challenges and prospects of concentrating solar power technologies.

Journal ArticleDOI
TL;DR: In this paper, the challenges of building-integrated photovoltaic (BIPVT) required for various applications from techno-economic and environmental points of view are evaluated, and efforts and advances achieved in enhancing the BIPVT thermal and electrical performance are explored.

Journal ArticleDOI
TL;DR: An optimization method to automate the procedure of finding the best combination of measures minimizing the building energy use and achieving the nZEB target while enhancing both thermal and visual comfort conditions was presented.

Journal ArticleDOI
TL;DR: In this paper, a brainchild setup based on solar energy and scrutinized from exergy and exergoeconomic perspectives is proposed for simultaneous production of electricity (semi-finished product), freshwater, and hydrogen uprooted from seawater.

Journal ArticleDOI
TL;DR: In this article, an assessment of a flat plate double pass (DP) solar air heater (SAH) having V-corrugated absorber (C_SAH), and corrugated-perforated absorbers (CP_PAH) via energy, exergy, economic and environmental approaches (4E) is presented experimentally.

Journal ArticleDOI
TL;DR: A broad spectrum on the role of thermal energy storage techniques with their specific nature and role is summarized in this paper, where critical focus has been given to PCM composites, control strategies and PCM based Photo-voltaic Thermal (PV/T) systems which have emerged out as a promising and feasible future solution to be used in building material.

Journal ArticleDOI
TL;DR: In this paper, the advantages of the ORC were used to improve overall performance of a simple gas turbine (GT) located in a wood production facility, where a steam boiler was also coupled with the GT to increase overall performance and to produce needed steam.

Journal ArticleDOI
TL;DR: In this article, the authors present a comprehensive literature survey on the recent advancements in solar PV cooling technologies, the role of nanofluids on the performance of PV thermal systems, the available analyses of PV cooling techniques, the usage of Nanofluid as coolant and optical filter, and the effect of combined nano-fluid and nano-PCM on the overall performance of the photovoltaic systems.

Journal ArticleDOI
TL;DR: In this paper, a comprehensive analysis of a hybrid energy system (HES) when satisfying the load demand of an off-grid, rural and hilly community in Bangladesh is described, and different combinations of HES, such as PV/Pump-hydro storage (PHS), Diesel/PHS, and PV/Diesel/Battery, are formulated, analyzed, and compared using hybrid optimization of multiple energy resources (HOMER) software.

Journal ArticleDOI
TL;DR: In this article, different numerical models to calculate its energy and exergy performance as well as economic and environmental impacts of the Evacuated tube solar collector are summarized in this review, and future scope and recommendation part of this paper will help the researchers and practice engineers who want to work on the evacuated tube solar collectors to improve its thermal performance.

Journal ArticleDOI
TL;DR: In this paper, the authors presented the technoeconomic potential of two different photovoltaic power plants (PPP) (i.e. PV-only and PV-Battery) under three different climatic conditions in Ghana were presented.

Journal ArticleDOI
TL;DR: In this article, the authors investigated the asymmetric causality between agricultural carbon emissions, energy consumption, fertilizer consumption, and cereal food production in Pakistan and concluded that it is essential for Pakistani farmers to switch from chemical fertilizer, burning non-renewable energy to organic fertilizer, and renewable energy in order to reduce carbon emission and increase rice production.

Journal ArticleDOI
TL;DR: The proposed compensation for PI controller managed hybrid energy storage systems (HESSs) provides for improved DC bus regulation with minimal battery stress levels and redirections of unwaged battery currents to SCs for fast compensations in the proposed PMS enhances battery life span.