To raise the energy yield in inertial confinement fusion, fuel needs to meet the requirement of a high-quality uniform layer, and demands sub-milliKelvin thermal management. In this paper, the coupled heat transfer within the cylindrical hohlraum is analyzed, and the dominant mechanism that governs the temperature uniformity of the capsule is identified. A simulation model incorporating the heater

This study investigates the impact of roughness elements on fluid flow and heat transfer characteristics in narrow rectangular channels. The results show that when the fluid flows over roughness elements, it induces vortices near the wall, disturbing the flow and heat transfer boundary layers. This enhances heat transfer while simultaneously increasing flow resistance. Among different roughness types

This article investigates the effects of dispersing hybrid nanoparticles and incorporating radiation effects on the solidification process using numerical simulations. The system is modeled with a circular adiabatic wall and rectangular fins attached to the cold wall. To improve the accuracy of the results, mesh adaptation based on the position of the solidification front was employed, and the simulations

Aluminum–water (Al-H2O) propellants are a novel class of solid propellants characterized by low cost and low signature observability. However, the inherently high aluminum content in these formulations often leads to severe agglomeration of aluminum (Al) particles during combustion, which in turn compromises combustion efficiency and results in substantial solid residue. Fluoropolymers such as pol

This study develops a high-efficiency semi-analytical model to predict the long-term thermal behavior of horizontal-well deep borehole heat exchangers (DBHEs). Model accuracy was validated against experimental data and 3-D numerical simulations. A Monte-Carlo uncertainty-propagation scheme combined with Pearson correlation analysis reveals that solid-phase thermal conductivities main dominate thermal

This study explores the performance and emissions characteristics of renewable dimethyl ether (DME) in comparison to three commonly used aliphatic hydrocarbons: diesel, decane, and dodecane. This research addresses a notable gap in the existing literature by integrating advanced numerical modelling with experimental validation to investigate the distinct combustion behaviours and emission profiles

Multi-generation systems, which allow us to take better advantage of renewable energy resources, facilitate the simultaneous production of multiple forms of energy. This study conducted theoretical energy and exergy analyses of a solar-driven trigeneration system that generates power, heating, and cooling. The examined trigeneration system consists of Parabolic Trough Collectors (PTC), a Storage Tank

A novel turbulence promoter comprising a V-shaped perforated rectangular winglet vortex generator integrated with a circular ring is introduced. The investigation delves into the heat transfer enhancement and pressure loss associated with its insertion within a tube, utilizing the artificial neural network approach, particularly the Multi-Layer Perceptron (MLP), for regression analysis. The outcomes

Cilia-driven flow plays a crucial role in biological transport, facilitating mucus clearance, development, and microfluidic applications. The integration of nanofluids and mixed convection further enhances heat and mass transfer unlocking new possibilities in biomedical and industrial fields. This study presents a comprehensive computational analysis of Powell-Eyring nanomaterial flow through a ciliated

Greenhouse cultivation plays a vital role in enhancing food security, particularly in arid and semi-arid regions. However, maintaining optimal microclimatic conditions for crop growth during the summer months poses significant challenges. These conditions often require intensive cooling, which is typically reliant on fossil fuel-based energy sources. This increases costs and environmental impact, highlighting

This study examines the impact of air jets, rotor-stator spacing, and rotational speeds on flow characteristics and heat transfer in cooling systems of rotating machines, such as wind turbines. Building on previous work that explored various flow and jet configurations, this research employs both experimental and numerical methods to analyze a device composed of an aluminum rotor and stator. The spacing

Plate heat exchangers (PHE) are essential for efficient heat transfer in biodiesel production, but the performance can decline due to silica scaling. In this paper, heat transfer in PHE before and after cleaning was experimentally investigated. The CIP process using 5 % citric acid was applied to fouled PHE from biodiesel plant at various cleaning durations of 2, 4, 6, and 8 h, targeting silica scale

Accurate forecasting of Air Conditioning (AC) energy demand is essential for mitigating economic and environmental challenges in energy planning, especially under extreme weather conditions. Despite advancements in prediction techniques, limited attention has been given to the real-world impacts of forecasting errors under different electricity tariff structures. This study quantifies these impacts

Microchannel heat sinks (MHSs) stand out as a promising solution for dissipating heat in high-performance systems. The development and optimization of these systems are vital to meeting the growing demands of modern, power-dense electronics. The present study introduces a novel approach to enhance heat dissipation in microchannel systems. The design incorporates two sets of fins with a distinctive

The gob-side entry retaining mining mode with roof cutting and pressure relief (GERRCPR) has improved coal mining efficiency but increases airflow leakage as the retaining roadway is exposed to the gob. During the withdrawal period, significant changes in the gob's flow field occur, and leftover coal becomes prone to prolonged oxidation and heat buildup, leading to potential coupled disasters of gas

Nanofluid fuels promise to improve energy density and combustion efficiency, but are still limited by incomplete energy release and post-combustion aggregation of nanoparticles in conventional aluminum additives. This study examines the impact of graphene oxide (GO) content in kerosene/n-Al/GO nanofluid fuels on the ignition and combustion characteristics of droplets. Thermal analysis of the nano-additive

The flow of non-Newtonian fluids under the effects of electro-osmotic phenomena has significantly been used in microfluidic systems and microdevices. Motivated by the applications of non-Newtonian fluids with electro-kinetic force, in this theoretical analysis, the research is conducted to examine the characteristics of thermal transport analysis of Williamson fluid with electro-kinetic force along

The demand for renewable fuels as alternatives to conventional diesel has intensified due to environmental concerns and energy security. However, biodiesel blends often exhibit increased nitrogen oxide emissions, necessitating innovative additive-based solutions. This study investigates the effect of 2-ethylhexyl nitrate (2-EHN) as an oxygenated additive in biodiesel blends on engine performance and

The scarcity of drinking water is one of the most important challenges worldwide. There are many methods for producing and purifying water. Given the large amounts of water vapor in the atmosphere, the potential for converting water vapor into useable water can be an important source of water harvesting. High energy consumption and low condensation rate are one of the biggest challenges in producing

As an exemplary representative of dome-shaped kilns, the ancient Ding kiln produced world-renowned ceramics and held a pivotal position in the history of ancient pottery. Starting from archaeological excavations, this study references existing re-firing experiments and replica kilns to establish a physical model of the Ding kiln and a coupled mathematical model integrating the thermal processes of

This research aims to understand the application of Casson nanofluids with diffusion and chemical reactions in accretion, ultimately contributing to the development of more efficient and resilient materials for high-temperature environments.

The present work aims to examine the potential of aloe vera liquid (AVL) and activated carbon (AC) as a phase-change material (PCM) for energy efficient cool thermal energy storage (CTES) applications. The low-viscosity and supercooling behavior of deionized water (DIW) limits its usage in the CTES system. Three variants of NEPCMs containing activated-carbon (AC) at concentrations of 1.5 wt%, 1.0 wt%

The closed helium Brayton cycle is essential for thermal and mechanical energy transfer in precooled combined cycle engines. However, the impact of heat exchanger parameter variations on engine performance and system matching remains unclear. Therefore, a mathematical simulation model of a precooled airbreathing combined engine (PATR engine) including a closed helium Brayton cycle is established using

The development characteristics of modern electronic devices with high integration and high heat flow density make their heat dissipation demand and difficulty increase continuously, and the traditional heat dissipation methods are difficult to meet the heat dissipation demand of high heat flow chips. In this study, based on the rectangular channel, we propose the optimized design of the minichannel

Solar absorbers efficiently convert solar radiation into thermal energy through photothermal conversion, and are widely used in seawater desalination, energy storage. Titanium nitride (TiN) possesses outstanding absorption and thermal conductivity, but its narrow-band absorption restricts its performance. Periodic micro-nano architectures can strengthen multi-resonance coupling, boosting solar energy

Thermoelectric cooling systems are suitable for small-scale thermal management in narrow spaces, particularly effective for electronic devices. Previous studies mainly focus on hybrid battery thermal systems with an emphasis on structure optimizations. Few of them report how the cold-end temperature of the thermoelectric cooler governs the thermal performance of battery packs. In this work, a simplified

This research investigates the performance and cost-efficiency of hybrid ground source heat pump systems integrated with photovoltaic-thermal collectors across Baghdad, Mosul, and Basra. Simulations conducted using TRNSYS demonstrated that PVT integration reduced borehole length requirements by up to 45 % and installation area by 53 %. Energy savings reached 25.7 %, while net present value increased

This research conducts a comprehensive numerical evaluation into an advanced heat dissipation system for low-concentrated photovoltaic systems, addressing the limitations of conventional minichannel heat sink designs. To overcome their inherent inefficiencies, a novel minichannel configuration with wavy surfaces and a trapezoidal inlet section (TWMC) is proposed, aiming to enhance convective heat transfer

As global awareness of climate change grows, innovative CO2 capture solutions are crucial for sustainability. This research explores the potential of supersonic condensation-based separation as an advanced method for CO2 capture, leveraging the principles of supersonic flow and rapid condensation. The study employs computational fluid dynamics (CFD) modeling to simulate the behavior of CO2 during the

Aiming at the problem that conventional exergy analysis cannot provide comprehensive insights into exergy destruction, advanced exergy analysis was conducted on the supercritical CO2 cycle. A more detailed breakdown of exergy destruction was revealed. In addition, the effects of ambient temperature on various exergy destruction under off-design conditions were innovatively discussed. The system's exergy

Photovoltaic (PV) performance is highly sensitive to temperature increase, which can lead to efficiency loss and accelerate degradation. Cooling solutions can help to improve the performance of the PV by reducing its temperature and increasing the output power. However, some PV cooling systems, like fins, are not suitable, especially for applications where ambient temperature and solar irradiance values

A synergistic dual-evaporator thermal management model integrating joint battery and cabin cooling is proposed for the problem of battery thermal safety and cabin thermal comfort in pure electric vehicles. The synergistic dual-evaporator system can dynamically adjust the evaporator operating state and refrigerant flow rate by innovating the refrigerant flow path and applying an intelligent control

The increase in performance of home heaters, accompanied by energy and environmental crises, becomes noticeable in the construction industry. Hence, this paper has investigated a solution to enhance the system's efficiency. For this purpose, a novel experimental set-up is provided to simulate the heater, exhaust heater, and indoor environment. This setup includes two boxes, a heat source controlled

To investigate the impact of liquid fuel characteristics on the stability of Alcohol-Resistant Aqueous Film Forming Foams (AFFF/AR), representative Class B fire fuels with distinct boiling points and polarities - ethyl alcohol, propanol, n-hexane, and heptane - were selected to evaluate AFFF/AR's fire suppression efficacy across temperature variations. The findings reveal that hydrophilic groups in

Enhancing photovoltaic (PV) efficiency is crucial for sustainable energy production, as elevated temperatures can decrease PV performance. This study evaluated a 300 W PV panel under Yazd city conditions, both with and without cooling. Numerical data from ANSYS Fluent simulations are used to train various regression models, with the most accurate model selected for predicting annual energy output and

The dry Roots vacuum pump (DRVP) is widely used in vacuum applications for its large pumping speed and high reliability. This paper proposed a simulation route to comprehensively evaluate its performance and energy consumption distribution characteristics under varying conditions. First, based on dynamic modeling, the variations in motor torque, gas torque, and mechanical losses were simulated. Then

Recently, the accuracy and efficiency of solving complex fluid problems have benefited greatly from these latest advances in AI-integrated fluid mechanics. Deep-learning neural networks optimized with the Levenberg-Marquardt algorithm (DLNNs-LMA) is a supervised AI-based approach that is used to analyze the Eyring Powell fluid in a two-phase flow (EPFM-TPF) with dust particles and at temperature-dependent

This study presents a numerical investigation of the thermal-hydraulic performance and entropy generation characteristics of a flat plate solar collector enhanced by a novel hybrid nanofluid (GO-SiO2/Therminol VP-1) and an innovative vortex generator (VG) configuration. The effects of the Reynolds number (Re = 19,000–76,000), hybrid nanofluid volume concentration (φ = 0–3.25 %), and VG geometric configuration

Uniform temperature distribution is crucial for maintaining the structural integrity and expanding the life span of the solid oxide fuel cells (SOFCs) due to its continuous high operation temperature. Though the maximum temperature gradient is lowered in prior studies, the performance (i.e., output power density) is also substantially suppressed due to the temperature reduction. Thus, maintaining the

Due to the high-thermal density of chips, traditional air-cooling systems cannot meet the cooling demands of intelligent computing data centers. Efficient liquid cooling technology, especially single-phase immersion cooling technology, has received widespread attention. However, local hotspots and high consumption of the expensive and high global warming potential coolant limit the practical application

This study presents a high-fidelity finite element method (FEM) framework for modelling the thermal performance of phase change material (PCM)-integrated building materials, validated against experimental data. The model accurately captures transient thermal dynamics, including latent heat storage and release, subcooling effects, natural convection, and the influence of embedded aluminum fins. Through

This article presents a comparative study of the Jeffrey fluid and Newtonian fluid flow over an electrically conducting sheet undergoing thermo-diffusion and Brownian diffusion. Temperature gradients and random motion of particles drive thermo-diffusion and Brownian diffusion. At the same time, the flow is induced by the Hall effect and thermal radiation. The sheet stretches along the x-axis and remains

Phase Change Materials (PCMs) efficiently store and release latent heat during phase transitions, with Solid-Liquid PCMs being widely used in industries such as renewable energy and battery thermal management due to their ability to maintain a nearly constant temperature. However, challenges like low density, low thermal conductivity, and high viscosity necessitate customized solutions for specific

This study introduces a fractal gradient honeycomb-reverse Tesla valve configuration (HC-RTV-GD) to enhance heat transfer and temperature uniformity in high-flux thermal management systems. Through comparative analysis with conventional Tesla valves and honeycomb structures, the HC-RTV-GD leverages hierarchical bifurcation and controlled turbulence generation to achieve superior heat transfer performance

This research introduces an innovative thermal energy system that combines solar and wind energy to produce electricity, generate hydrogen, and facilitate liquefaction. This system includes a parabolic trough solar collector (PTSC) that heats nitrate salts, transferring the thermal energy to a supercritical carbon dioxide Brayton cycle (SCO2-BC). Furthermore, thermoelectric generators (TEG) are integrated

The purpose of this research was to the flow behavior, heat transfer rate, and entropy generation by the hybrid nanofluid flow (Al2O3+Cu + H2O) inside a square finned cavity containing a cylindrical barrier in its upper half in a time interval of 20 seconds. Al2O3 and Cu nanoparticles have concentrations of 5 % and 3 %, respectively, and water is chosen as the base fluid. In this research, Reynolds

This paper proposes a novel double-layered microchannel heat sink (TMC-ORTC), specifically, the upper layer consisted of a truncated rectangular microchannel, while the lower layer features a microchannel that combines trapezoidal cavity with oval rib. The flow and heat transfer characteristics of 8 distinct configurations of double-layer microchannel heat sinks (DL-MCHSs) are investigated through

The reverse-flow pulse detonation combustor (PDC) exhibits a shorter axial length in contrast to the straight-tube PDC, thereby enhancing its suitability for engineering applications. In order to investigate the influence of the blockage ratio of the mixing section on the detonation characteristics of the reverse-flow PDC, a combined approach of numerical calculation and experiment was adopted. The

Solar radiant heat gain reduces air conditioning energy consumption and improves the thermal environment in winter, but the opposite is true in summer. Conventional building skin materials, with constant solar reflectance, fail to address the varying heat demands between seasons. This study investigates thermochromic materials (TCMs), which dynamically adjust their color and solar reflectance in response

Cruise ships are densely populated places, once a fire occurs, it is difficult for people to escape and can easily cause casualties. In this paper, the changes in smoke, temperature, CO concentration, and visibility in cruise ship under different fire conditions are studied. The results show that when fires occur in different locations, the highest temperature on the burning deck exceeds 60 °C, the

This research investigates the feasibility of using Garcinia gummi-gutta methyl ester (GGME) blends in conjunction with hydrogen (H2) as an induction gaseous fuel in a dual-fuel diesel engine. GGME was blended with conventional diesel in varying proportions (10 %, 15 %, 20 %, 25 %, and 30 % v/v) to evaluate their performance and emission characteristics. Hydrogen gas, stored in a cylinder, was inducted

In this work, the green and efficient organic-inorganic hybrid flame retardant materials (PA-Si-PPO-LDHs) were prepared by introducing phenyl phosphoric acid (PPO) and phytic acid (PA) between layers and surface of hydrotalcites, and characterized. With the addition of 10 wt% PA-Si-PPO-LDHs, the EP composites achieved UL-94 V-1 rating and a limiting oxygen index of 30.0 %, and obtained 46.4 %, 37.0 %

The 2 K heat exchanger is a critical component of the superfluid helium cryogenic system. In this paper, to further reduce the volume and manufacturing cost, a plate heat exchanger (PHE) with herringbone corrugation was innovatively used as a 2 K heat exchanger. The CFD numerical method was used to simulate the single flow channel of the PHE with chevron-type corrugation pattern. It got correlations

Inverse Diffusion Flame (IDF) is a flame with a central oxidizer jet surrounded by an annular fuel jet. In this study, a swirler was inserted into the oxidizer nozzle to increase the mixing intensity. The combustion and emission characteristics of the swirl-induced IDF (S-IDF) were investigated and compared with those of non-swirl IDF (N-IDF). The flame behavior, mixing, and radical distribution were

The transient heat transfer of an outdoor water pool for aquaculture is presented in this paper. The location of the pool is in a mountainous region in Arequipa, Peru. An hourly temperature history of a fishpond has been investigated throughout the whole year based on a novel energy equation which considers the freezing property of water near the freezing temperature, as the ambient temperature of

This investigation presents a numerical exploration of magnetohydrodynamic (MHD) natural convection within a differentially heated square cavity containing Cu-water nanofluid (NF) that has a Prandtl number of 6.2, considering variable thermophysical properties. The impacts of Rayleigh number between 103 and 107, nanoparticle volume fraction between 0 and 9 %, and Hartmann number Ha between 0 and 100

One commonly used method to improve the rate of energy storage in phase change material (PCM) is the addition of fins. The literature employs various fin designs to facilitate the melting of PCM in horizontal cylindrical containers. This study experimentally introduces the potential of using a Y-shaped fin to melt and solidify PCM filled in a horizontal cylinder. The study mainly focuses on capturing

This study explores the design of efficient heat and mass transfer systems in sinusoidal channels with corrugated walls, focusing on the influence of wall corrugation and nanofluids. The magnetohydrodynamic behavior of nanofluids is analyzed using the finite element method (FEM) under an angular magnetic field, buoyancy force, and the Buongiorno nanofluid model. Entropy generation analysis is employed

The increasing reliance on solar energy has underscored the need for precise forecasting of photovoltaic power outputs, with solar radiation forecasting being a critical factor. This study proposes a novel model for solar radiation forecasting using meteorological and solar radiation data. The performance of several machine learning and deep learning models, including Long Short-Term Memory, Autoregressive