Results 171 to 180 of about 843,024 (360)

Poppet valve control of throat stability bypass to increase stable airflow range of a Mach 2.5. inlet with 60 percent internal contraction [PDF]

open access: yes
The throat of a Mach 2.5 inlet with a coldpipe termination was fitted with a stability-bypass system. System variations included several stability bypass entrance configurations. Poppet valves controlled the bypass airflow. The inlet stable airflow range
Mitchell, G. A., Sanders, B. W.
core   +1 more source

Role of Crosslinking and Backbone Segmental Dynamics on Ion Transport in Hydrated Anion‐Conducting Polyelectrolytes

open access: yesAdvanced Functional Materials, EarlyView.
Thermally crosslinked poly(2‐vinylpyridine)‐based anion conducting polyelectrolytes have been synthesized. The segmental dynamics of these polyelectrolytes have been systematically modified by varying the degree of crosslinking. Both the experimental and simulation results indicate that segmental dynamics have a limited influence on ion transport in ...
Zhongyang Wang   +11 more
wiley   +1 more source

Effect of inlet disturbances on fan inlet noise during a static test [PDF]

open access: yes
Measurements of fan rotor inlet noise taken during static test situations are at variance with aircraft engine flight data. In particular, static tests generally yield a significantly higher tone at blade passage frequency than that measured during ...
Bekofske, K. L.   +2 more
core   +1 more source

Investigate How Inlet Geometry Affects Vortex Power [PDF]

open access: gold, 2023
Md. Mizanur Rahman   +5 more
openalex   +1 more source

Using In Situ TEM to Understand the Surfaces of Electrocatalysts at Reaction Conditions: Single‐Atoms to Nanoparticles

open access: yesAdvanced Functional Materials, EarlyView.
This review summarizes recent advances in closed‐cell in situ TEM strategies for accurate determination of the activity and stability of single‐atom catalyst systems during operation. Operando conditions causing dynamic changes of SAC systems are highlighted and we explain why ensemble average‐based optical techniques may benefit from the technological
Martin Ek   +4 more
wiley   +1 more source

Advanced inlet duct noise reduction concepts [PDF]

open access: yes
A progress report is given on the implications of inlet noise reduction on aircraft direct operating costs (DOC). It considers treated inlet rings, various other inlet noise reduction concepts, and forward-speed effects.
Chestnutt, D., Feiler, C. E.
core   +1 more source

Free‐Form Microfluidic Microneedle Array Patches

open access: yesAdvanced Functional Materials, EarlyView.
Microfluidic microneedle array patches (MAPs) integrate hollow microneedles with embedded microfluidic channels, fabricated using high‐resolution 3D printing, to enable controlled transdermal delivery of liquid, mixed, or reconstituted therapeutics.
Ian A. Coates   +11 more
wiley   +1 more source

Use of experimental separation limits in the theoretical design of V/STOL inlets [PDF]

open access: yes
Experimental data from several model inlets are used to generate two parameters which are related to the limit of operation for inlet flow separation. One parameter, called the diffusion ratio, is the ratio of the peak velocity on the inlet surface to ...
Boles, M. A., Stockman, N. O.
core   +1 more source

Home - About - Disclaimer - Privacy