Results 81 to 90 of about 1,516 (245)

Experimental Investigation and ANN‐Based Prediction of CI Engine Performance Fueled With Waste Plastic Oil–Diesel Blends Containing Al2O3 Nanoparticles

open access: yesEnergy Science &Engineering, EarlyView.
Waste plastic oil–diesel blends enhanced with Al2O3 nanoparticles were experimentally evaluated in a compression ignition engine under varying injection timings and modeled using artificial neural networks (ANNs). The optimized WP20PD + 1000 ppm blend improved brake thermal efficiency and reduced fuel consumption, while ANN prediction achieved high ...
Dudekula Jamal Basha   +6 more
wiley   +1 more source

Synergistic Regulation of Common Rail Pressure and Injection Angle on Heavy‐Duty Diesel Engine Performance

open access: yesEnergy Science &Engineering, EarlyView.
Synergistically optimizing the common rail pressure and injection timing of a heavy‐duty diesel engine while focusing on both engine performance and NVH characteristics. Consideration of unregulated pollutant NH3 emissions from heavy‐duty diesel engines.
Tao Zhou   +6 more
wiley   +1 more source

Photocurable Smart Materials for Femtosecond Laser Micro/Nano‐3D/4D Printing: Toward Interdisciplinary Applications

open access: yesInterdisciplinary Materials, EarlyView.
This review examines intelligent microsystems fabricated via Fs‐laser two‐photon polymerization, covering design, fabrication compatibility, and actuation methods. It highlights applications in actuators, sensors, micromachines, and soft microrobots, while stressing advances in materials, structures, and system integration.
Chang‐Xu Li   +4 more
wiley   +1 more source

Physics-informed thermodynamic state reconstruction for cycle-to-cycle variability analysis of a free-piston engine generator

open access: yesNext Energy
Free-piston engine generators (FPEGs) are developing as viable linear energy conversion systems for distributed power production because of their high thermal efficiency, fuel flexibility, and compatibility with low-carbon fuels.
Dao Huu Huy   +3 more
doaj   +1 more source

Obstetrics and gynecology devices designed for low‐ and middle‐income countries: A narrative review

open access: yesInternational Journal of Gynecology &Obstetrics, Volume 169, Issue 1, Page 71-80, April 2025.
Abstract There are many barriers contributing to poor health outcomes for women in low‐ and middle‐income countries (LMICs), one of which is the lack of necessary medical devices. Presently, the development of various kinds of devices intended to improve women's health outcomes specifically in LMICs remains underrepresented in the literature; therefore,
Dhanalakshmi Thiyagarajan   +2 more
wiley   +1 more source

Characterization and Repetition Rate Locking of a 1 GHz Erbium‐Doped ZBLAN Waveguide‐Chip Comb Laser

open access: yesLaser &Photonics Reviews, EarlyView.
A compact, erbium‐doped ZBLAN waveguide chip mode‐locked laser that self‐starts, delivers stable ultrashort pulses, and repetition rate locked to a 1 GHz radio‐frequency reference. The laser produces near transform‐limited 324 fs pulses and 12 nm bandwidth with low noise and long‐term stability, with potential applications in optical frequency ...
Wen Qi Zhang   +4 more
wiley   +1 more source

Real‐Time Fractional Control of an Electrohydraulic System Using Low‐Cost Technology

open access: yesInternational Journal of Mechanical System Dynamics, EarlyView.
ABSTRACT Advances in control methods for electrohydraulic systems (EHS) improve performance by addressing nonlinearities and unknown parameters, although most studies are limited to numerical simulations. Furthermore, research with experimental validation often relies on high‐performance computing equipment, specialized data acquisition cards, and ...
Edgar H. Robles‐Sauceda   +5 more
wiley   +1 more source

Analysis of Mechanical‐Electrical‐Hydraulic Coupled Vibration Response Characteristics of Thermal Control Circulating Pumps Supported by Water‐Lubricated Bearings

open access: yesInternational Journal of Mechanical System Dynamics, EarlyView.
ABSTRACT The operational reliability of thermal control circulation pumps is significantly restricted by the multi‐physics coupled environment. To reveal the vibration transmission mechanisms and dynamic response characteristics under multi‐field coupled excitations, a multi‐DOF coupled dynamic representation of the overall system, incorporating the ...
Jianfeng Luo   +4 more
wiley   +1 more source

Continuous Respiratory Oscillometry in Pediatric Laparoscopic Surgery—The COMET Study

open access: yesPediatric Anesthesia, EarlyView.
ABSTRACT Background Laparoscopic appendectomy is the accepted surgical approach for appendicitis in centers worldwide. Laparoscopic surgery requires the creation of a pneumoperitoneum to facilitate surgical access. Laparoscopic surgery affects the respiratory mechanics of patients under general anesthesia.
Neil Hauser   +9 more
wiley   +1 more source

Solids Conveying in Injection Molding Machines—Analytical Model for Smooth and Grooved Feed Sections Derived From DEM Simulations

open access: yesPolymer Engineering &Science, EarlyView.
Understanding Solids Conveying in Injection Molding Machines – Dimensions. ABSTRACT Solids conveying is a key aspect for the design of polymer processing machines, especially for processes with high screw speeds, grooved feed sections, and material with low bulk density.
Jan Landgraeber   +4 more
wiley   +1 more source

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