Recent advancement in energy storage technologies and their applications

Journal of Energy Storage, Journal Year: 2024, Volume and Issue: 92, P. 112112 - 112112

Published: May 25, 2024

Language: Английский

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Technical Review of Radiative-Property Modeling Approaches for Gray and Nongray Radiation, and a Recommended Optimized WSGGM for CO2/H2O-Enriched Gases

Results in Engineering, Journal Year: 2025, Volume and Issue: unknown, P. 103923 - 103923

Published: Jan. 1, 2025

Language: Английский

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Aerial e-mobility perspective: Anticipated designs and operational capabilities of eVTOL urban air mobility (UAM) aircraft

Edelweiss Applied Science and Technology, Journal Year: 2025, Volume and Issue: 9(1), P. 413 - 442

Published: Jan. 4, 2025

We collected data about 13 urban air mobility (UAM) electric vertical take-off and landing (eVTOL) aircraft from 12 UAM companies in the world. While none of these models has yet reached a large-scale commercial operation (particularly as taxis), some them progressed well certification process may have their widely operated within few years. This article focuses on variability configurations eVTOL for aerial e-mobility; such single-fixed-wing, tandem-tilt-wing, canard wing, fixed-rotor fixed-wing, full tilt-rotor, partial V-shaped tail, tailless, twin conventional tail assembly, distributed propulsion, multicopter, rear forward thrust propeller, ducted fans, hybrid airplane-helicopter design. The covered here are: (1) EH216-S (by EHang), (2) VoloCity Volocopter), (3) Lilium Jet Lilium), (4) VoloRegion (5) CityAirbus NextGen Airbus), (6) Passenger Air Vehicle - PAV Boeing), (7) S-A2 Hyundai), (8) Joby Aviation), (9) VX4 Vertical Aerospace Group), (10) Midnight Archer (11) Eve Mobility), (12) Jaunt (13) Generation 6 Wisk Aero). Out e-mobility and/or taxis, we found that 11 utilize wing configuration, while only two use wingless multirotor concept (as hobbyist drones). A fixed-wing design is associated with faster travel speed, at expense added restrictions maneuvering low-speed (or hovering). Six are intended to an onboard human pilot, remaining seven designed be pilotless. One model demonstrated ability hydrogen clean source energy through fuel cell system.

Language: Английский

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Harnessing nuclear power for sustainable electricity generation and achieving zero emissions

Energy Exploration & Exploitation, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 23, 2025

Nuclear power plays a pivotal role in sustainable electricity generation and global net zero emissions, contributing significantly to this secure pathway. capacity is expected double, escalating from 413 gigawatts (GW) early 2022 812 GW by 2050 within the emissions (NZE) paradigm. The energy landscape undergoing significant transformation as nations strive transition more systems. Amidst shift, nuclear has emerged crucial component pursuit of transition. This study examines power's multifaceted shaping It delves into energy's contributions toward decarbonization efforts, highlighting its provide low-carbon potential mitigating climate change. Furthermore, explores challenges opportunities associated with integrating strategies, addressing issues such safety, waste management, public perception. In conclusion, anticipated reach approximately 530 2050, representing substantial shortfall 35% compared trajectory outlined NZE Under scenario, demonstrates exceptional expansion, nearly doubling 2050. Concurrently, highlights transformative shift renewable investments, annual expenditures surging an average US$325 billion during 2016–2020 impressive US$1.3 trillion between 2031 2035. These projections underscore critical investments achieving sustainability emission reduction goals.

Language: Английский

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Summary of the 2023 (1st edition) Report of TCEP (Tracking Clean Energy Progress) by the International Energy Agency (IEA), and Proposed Process for Computing a Single Aggregate Rating

E3S Web of Conferences, Journal Year: 2025, Volume and Issue: 601, P. 00048 - 00048

Published: Jan. 1, 2025

We provide a summary of the progress all 53 assessed components describing global alignment with Net Zero Emissions by 2050 Scenario (NZE) International Energy Agency (IEA), an intermediate trajectory scope 2030. The (grouped in eight categories) cover sectors (such as Transport, and Buildings), subsectors Aviation, Building Envelopes), technologies Biofuels, Electrification), infrastructure cross-cutting strategies CO2 Transport Storage, Electrolyzers). For each component, IEA assigned one three qualitative levels; namely “On track”, “More efforts needed”, or “Not on track”. IEA’s assessment results were made publicly available form online web-based report, titled “Tracking Clean Progress”, TCEP, which was published 12/July/2023. Out TCEP’s components, only rated these are (1) Solar Photovoltaic (PV), (2) Electric Vehicles (EV), (3) Lighting. remaining 50 TCEP; 28 22 propose quantitative aggregate numerical score to describe overall clean energy transition reflected TCEP we compute it 2.23/4 (or 55.7%). Finally, present selected historical records (based data) about satisfactory for transition.

Language: Английский

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Dataset of total emissivity for CO2, H2O, and H2O-CO2 mixtures; over a temperature range of 300-2900 K and a pressure-pathlength range of 0.01-50 atm.m

Data in Brief, Journal Year: 2025, Volume and Issue: 59, P. 111428 - 111428

Published: Feb. 26, 2025

Language: Английский

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Wind Speed Weibull Model Identification in Oman, and Computed Normalized Annual Energy Production (NAEP) From Wind Turbines Based on Data From Weather Stations

Engineering Reports, Journal Year: 2025, Volume and Issue: 7(3)

Published: March 1, 2025

ABSTRACT Using observation records of wind speeds from weather stations in the Sultanate Oman between 2000 and 2023, we compute estimators two Weibull distribution parameters (namely, distribution's shape parameter scale parameter) 10 station locations within eight Omani governorates. The their corresponding governorates are Seeb (in Muscat), Salalah Dhofar), Buraimi Al Buraimi), Masirah Ash Sharqiyah South), Thumrait Sur Khasab Musandam), Sohar Sohar), Fahud Az Zahirah), Saiq Ad Dakhiliyah). obtained speed distributions at these then used to predict annual energy production (AEP) for a proposed reference amount 1 MWp turbine capacity, this specific AEP is designated here by term “normalized (NAEP).” direction also analyzed statistically over same period identify more probable directions. Four were clearly distinguishable as being windy compared others. simulated probability exceeding feasible 6 m/s (21.6 km/h) 41.71% Thumrait, 37.77% Masirah, 29.53% Sur, 17.03% Fahud. NAEP values four estimated 1.727 GWh/MWp/year, 1.419 1.038 0.602 GWh/MWp/year; respectively. location not only fastest (on average) among selected locations, but most unidirectional, blowing almost always south–south‐east (SSE) direction; both features make non‐coastal southern Oman, with an altitude about 467 m, attractive site utility‐scale farms. We analyze data port city Duqm; show that there 24.04%, 0.927 approximately south–south‐west (SSW) time. When photovoltaic (PV) solar systems, onshore systems installed capacity appear be less effective Oman. This study closes gap field where no similar standardized one propose present.

Language: Английский

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Benchmarks for the Omani higher education students-faculty ratio (SFR) based on World Bank data, QS rankings, and THE rankings

Cogent Education, Journal Year: 2024, Volume and Issue: 11(1)

Published: March 28, 2024

The main objective of the current study is to establish a justifiable data-driven students-faculty ratio (SFR) benchmark for higher education institutions (HEIs) in Sultanate Oman. This established based on analyzing selected secondary data from three sources using purposive sampling. reflects quantitative research adopting descriptive analysis (frequency and percentage). used arrive at this national are: (1) World Bank Open Data, (2) Quacquarelli Symonds (QS) University Rankings, (3) THE (Times Higher Education) Rankings. Based 13 points, simple (unweighted) average SFR Oman 19.04. recommends an upper limit 30 students per academic full time faculty member Omani HEIs. When most-recent records Data portal 22 Arab League countries were averaged, regional 24.82 was obtained (which decreases 17.00 if subset six Gulf Cooperation Council, or GCC, considered). seven HEIs (all are universities) that received rank latest edition (2024 edition) QS Region Rankings (QS-AUR) among points considered analysis. These ranking results published online 18/October/2023, with total 223 ranked five (four universities one standalone university college) either (only Sultan Qaboos University, SQU) recognized as reporter without being qualified enough officially receive (THE-WUR) also 27/September/2023, 1,904 worldwide. As objective, assesses level mismatch value four appeared 2024 both QS-AUR THE-WUR. percentage between values (with respect two values) each these ranged 0.68% 25.30%. tertiary gives overview about popular services, which QS, THE, ARWU (Academic Ranking Universities, known Shanghai Ranking). (SQU) only HEI global through service their respective (edition 2024, released 2023), it ever by since its first June 2003 (but not '2023' edition). enrollment version rankings has grown faster than counterpart when 3 editions types rankings, where number 2023 (released 15/November/2023) (having 207 HEIs) notably earlier 2021 27/July/2021 125 HEIs).

Language: Английский

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Estimated electric conductivities of thermal plasma for air-fuel combustion and oxy-fuel combustion with potassium or cesium seeding

Heliyon, Journal Year: 2024, Volume and Issue: 10(11), P. e31697 - e31697

Published: May 22, 2024

A complete model for estimating the electric conductivity of combustion product gases, with added cesium (Cs) or potassium (K) vapor ionization, is presented. Neutral carrier gases serve as bulk fluid that carries seed material, well electrons generated by partial thermal (equilibrium) ionization alkali metal. The accounts electron-neutral scattering, electron-ion and electron-electron scattering. tested through comparison published data. aimed at being utilized plasma within magnetohydrodynamic (MHD) channels, where direct power extraction from passing electrically conducting gas enables generation. then used to estimate seeded under three selected fuels, namely: hydrogen (H2), methane (CH4), carbon (C). For each these two options oxidizer were applied, air (21 % molecular oxygen, 79 nitrogen mole), pure oxygen (oxy-combustion). Two types seeds (with 1 mole fraction, based on composition before ionization) also applied six combinations (fuel-oxidizer), leading a total 12 different MHD cases. cases, was computed range temperatures 2000 K 3000 K. smallest estimated 0.35 S/m oxy-hydrogen K, seeding. largest 180.30 oxy-carbon At replacing causes gain in multiplicative factor about 3.6 regardless fuel oxidizer. This declines between 1.77 2.07

Language: Английский

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Life cycle cost assessment of geothermal energy assisted hydrogen liquefaction for sustainable and renewable energy applications: Case study and adaptation for Afyon geothermal power plant

International Journal of Hydrogen Energy, Journal Year: 2024, Volume and Issue: 72, P. 772 - 788

Published: May 31, 2024

Language: Английский

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