Results 11 to 20 of about 2,358,970 (54)

The acoustics of curved and lined cylindrical ducts with mean flow [PDF]

open access: yes, 2010
This thesis considers linear perturbations to the steady flow of a compressible inviscid perfect gas along a cylindrical or annular duct. Particular consideration is given to the model of the duct boundary, and to the effect of curvature of the duct ...

core   +2 more sources

Analytic mode-matching for acoustic scattering in three dimensional waveguides with flexible walls: Application to a triangular duct [PDF]

open access: yes, 2012
This is the post-print version of the Article. The official published version can be accessed from the links below - Copyright @ 2012 ElsevierAn analytic mode-matching method suitable for the solution of problems involving scattering in three-dimensional
Lawrie, JB
core   +1 more source

Effect of fan root flow on the low-pressure compressor transition duct for an ultra high bypass ratio turbofan engine

open access: yes, 2023
Effect of fan root flow on the low-pressure compressor transition duct for an ultra high bypass ratio turbofan ...
Dimitra Tsakmakidou (4690594)
core   +1 more source

Sound radiation from a generic bypass duct with bifurcations [PDF]

open access: yes, 2008
The influence of bifurcations in an aero-engine bypass duct on noise radiation was investigated through high-order accurate three-dimensional numerical simulations.
Chen, X., Zhang, X., Huang, X.
core   +2 more sources

Cost-Effectiveness Analysis of Endoscopic Ultrasound versus Magnetic Resonance Cholangiopancreatography in Patients with Suspected Common Bile Duct Stones. [PDF]

open access: yes, 2015
Patients with suspected common bile duct (CBD) stones are often diagnosed using endoscopic retrograde cholangiopancreatography (ERCP), an invasive procedure with risk of significant complications.
Morris, S   +15 more
core   +1 more source

ac duct cleaning in dubai

open access: yes, 2011
Are you looking for the best AC duct cleaning services? Well, you have hit the right place to get excellent services. Ideal Cleaning offers vent and AC duct cleaning services in Dubai to meet your requirements.
ac duct
core   +1 more source

AN ASSESSMAn assessment of a turbofan engine using catalytic interturbine combustionENT OF A TURBOFAN ENGINE USING CATALYTIC INTERTURBINE COMBUSTION

open access: yes, 2009
The potential for using catalytic combustion in aero engines is discussed. Some preliminaries relating to NOx formation and material capabilities are analyzed. Various means to integrate catalytic combustors in aero engines are described.
Avellan, Rickard,   +7 more
core   +1 more source

Patent arterial duct occlusion with two amplatzer duct occluder devices [PDF]

open access: yes, 2011
It is accepted practice to close large patent arterial ducts (PDA) with Amplatzer duct occluder devices, with extremely low rates of residual PDA. This article reports a child who required device closure of PDA with two Amplatzer PDA devices on two ...
DeGiovanni, Joseph V., Grech, Victor E.
core  

Ontogeny of purinergic receptor-regulated Ca2+ signaling in mouse cortical collecting duct epithelium [PDF]

open access: yes, 2002
Changes in ATP-induced increase in {[}Ca2+], during collecting duct ontogeny were studied in primary monolayer cultures of mouse ureteric bud (UB) and cortical collecting duct (CCD) cells by Fura-PE3 fluorescence ratio imaging.
Tschop, J.   +4 more
core   +1 more source

Analytical modelling of sound transmission in a lined duct

open access: yes, 2013
The focus of this thesis is on the prediction of sound attenuation through a lined duct, based on a mathematical model. Ducts with a single section as well as multi-segmented sections are discussed. The duct of interest has a rectangular cross-section as
Ramli, Nabilah binti
core   +1 more source

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