Results 181 to 190 of about 1,722,550 (287)

Effects of Camber of S‐Series Airfoils on Aerodynamic Performance, Entropy Generation Rate, Irreversibility, and Second Law Efficiency of Horizontal Axis Wind Turbines

Energy Science &Engineering, EarlyView.
Due to the depletion of fossil fuels, enhancing wind turbine efficiency is crucial. Utilizing airfoils with high lift‐to‐drag ratios significantly improves power generation by optimizing aerodynamic parameters. Furthermore, entropy generation analysis serves as an effective method for design optimization by minimizing energy losses and exergy ...
Mitra Yadegari
wiley   +1 more source

Simulation and experimental study of shell-kernel separation device for household sunflower based on CFD-DEM coupling. [PDF]

Sci Rep
Guan R, Gu J, Li Y, Yang C, Zhang B, Yao X, Zhu R, Wang Q, Dong W, Huang Y.   +9 more
europepmc   +1 more source

A Numerical Investigation of the Effects of Piston Bowl Geometry and Spray Angle on Combustion, Performance and Emission of a Diesel Engine

Energy Science &Engineering, EarlyView.
A piston bowl's design and spray angle improve air‐fuel mixing, resulting in more complete combustion and higher efficiency. Ansys Forte 2023 R1 a CFD software was used to analyze the effects of five combustion chamber geometries of cylinder, modified re‐entrant, re‐entrant, double‐stepped, and stepped on engine performance, combustion, and emission ...
Md. Nazmul Haque, Abdullah Al Rifat, Tafsirul Hassan, Md. Ifthaker Alam, Mohammad Mehedi Hasan Kazol, Md. Ashraful Islam, Abidur Rahman Adib, Mizanur Rahman   +7 more
wiley   +1 more source

CFD-DEM simulation of the motion law of magnetic flocs during waste slurry disposal in shield tunnel. [PDF]

Sci Rep
Ying K, Xing Y, Zhang W, Chen X, Yao Z, Fang Y, Cui J, Wei L.   +7 more
europepmc   +1 more source

Glazing Effects on Dynamic‐Insulation TSC Façades: A CFD‐Supported Experimental Study of Flow, Heat Transfer, and Ventilation Preheating

Energy Science &Engineering, EarlyView.
Glazed transpired solar collectors achieve 48–75% efficiency and 11% more seasonal heat than unglazed designs by cutting convective losses, while both offer complementary benefits for ventilation preheating and dynamic wall insulation, with paybacks of 5.5–6.8 years.
Mohammad Fawaier, Nabeel Abushaban, Omar Alharasees, Safwan Al‐Qawabah, Ahmad Al Aboushi, Haitham A. Al Hasanat, Mohammad K. S. Ma'aitah, Laith Al‐Hyari   +7 more
wiley   +1 more source

CFD-DEM coupling analysis of the negative pressure inlet structural parameters on the performance of integrated positive-negative pressure seed-metering device. [PDF]

Front Plant Sci
Han D, Li W, Wang Y, Wang Q, Wu Z, Wang Y, Xu Y, Xu L.   +7 more
europepmc   +1 more source

Comparative Analysis of Al2O3/Water–TiO2/Chlorophyll Hybrid Nanofluids in a Photovoltaic–Thermal Solar Water Heating System

Energy Science &Engineering, EarlyView.
TiO2/chlorophyll bio‐hybrid nanofluid achieved the highest PVT performance, increasing thermal efficiency to 38.74% and overall efficiency to 51.35%, compared with 35.96% and 48.45% for Al2O3/water and 27.77% and 40.18% for water. The results demonstrate the potential of bio‐hybrid nanofluids for high‐efficiency solar thermal energy conversion ...
Oluwaseyi Omotayo Alabi, Oluwatoyin Joseph Gbadeyan, Oludolapo Akanni Olanrewaju   +2 more
wiley   +1 more source

Turbulence‐Intensity Effects on the Aerodynamic Performance of an H‐Type Darrieus Wind Turbine: A URANS Parametric Study

Energy Science &Engineering, EarlyView.
Turbulence intensity from 1% to 25% was parametrically tested on a three‐bladed H‐type Darrieus rotor across five tip speed ratios (TSRs) using two‐dimensional URANS. The optimal TSR proved the most efficient and most robust operating point simultaneously, with Cp losses capped at 5.8% even at TI = 25%. ABSTRACT The effect of inlet turbulence intensity
Aydin Ulus
wiley   +1 more source

Numerical Simulation of Proppant Transport in Major and Branching Fractures Based on CFD-DEM. [PDF]

ACS Omega
Zuo L, Li X, Han Z, You Q, Liu X.
europepmc   +1 more source

Forced Draught Impact on Externally Venting Flames: An Experimental and Numerical Investigation

Fire and Materials, EarlyView.
ABSTRACT Wind can significantly influence fire development and spread in urban and forest environments causing fatal consequences for the public, the first responders, and the environment. Wind‐driven fires can have a significant impact on structural fires as wind can increase the fire's intensity, development, and flame spread.
Anoop Subramania Warrier, Jan Smolka, Kamila Kempna, Meet Panchal, Tony Graham, Eleni Asimakopoulou   +5 more
wiley   +1 more source