[HTML][HTML] 船舶动力装置智能故障诊断技术的应用与展望

蒋佳炜, 胡以怀, 方云虎, 李方玉 - 中国舰船研究, 2020 - zgjcyj.xml-journal.net
动力系统作为整个船舶最核心的系统, 其安全性和可靠性将直接影响船舶的安全航行,
而有效的故障监测与诊断技术是保障航行安全的重要手段. 首先, 通过分析国内外学者在智能 …

Late fuel post-injection influence on the dynamics and efficiency of wall-flow particulate filters regeneration

JR Serrano, P Piqueras, J De la Morena, EJ Sanchis - Applied Sciences, 2019 - mdpi.com
Late fuel post-injections are the most usual strategy to reach high exhaust temperature for
the active regeneration of diesel particulate filters. However, it is important to optimise these …

Aeroacoustic two-port characterisation technique for ventilation valves

O Van Dessel, H Denayer, W De Roeck - Journal of Sound and Vibration, 2024 - Elsevier
This paper describes a measurement method to characterise the low-frequency
aeroacoustic properties of ventilation extraction and supply valves based on an active two …

On the Applicability of Cold Acoustic Measurements to High-Amplitude Hot Pulsating Flows

AJ Torregrosa, P Piqueras, EJ Sanchis, Á Redondo - Acoustics Australia, 2023 - Springer
The experimental characterization of the acoustic characteristics of engine exhaust devices
is usually carried out through measurements in cold conditions, due to the intrinsic …

Application of reciprocity to calculating the scattering matrix of a complex muffler without and with nonuniform meanflow

L Liu, X Zheng, Z Hao, Y Qiu - Acoustics Australia, 2022 - Springer
The internal meanflow with nonuniform distributions of velocity and temperature is a major
challenge for acoustic analysis of a muffler in the frequency domain. On the other hand, the …

Assessment of the fluid-dynamic and acoustic behaviour of a swirl static mixer for after-treatment systems

AJ Torregrosa, A Broatch, P Quintero, Á Redondo… - Applied Acoustics, 2022 - Elsevier
An investigation on the acoustic transmission loss and the pressure drop caused by a mixer
inducing element located downstream of a Diesel Exhaust Fluid (DEF) injection port was …

[HTML][HTML] A modified reciprocal equation to predict the complex transmission coefficient of a flow duct

L Liu, X Zheng, Z Hao, Y Qiu - AIP Advances, 2021 - pubs.aip.org
Reciprocity is a basic property existing in wave phenomena characterized by complex
transmission coefficients. Reciprocity in a duct describes the relationship between the direct …