The Role of Backpressure on Mixing Performance in Injection Molding: Polypropylene/Polystyrene Blends
Sign Up to like & getrecommendations! Published in 2025 at "Polymers for Advanced Technologies"
DOI: 10.1002/pat.70330
Abstract: In conventional thermoplastic processing, polymer blending is typically performed using a two‐step method involving co‐rotating twin‐screw extrusion followed by injection molding. This study explores a novel single‐step approach by utilizing backpressure within the injection molding… read more here.
Keywords: backpressure; step; injection molding; polypropylene polystyrene ... See more keywords
Mass spectrometry coupling of chip-based supercritical fluid chromatography enabled by make-up flow-assisted backpressure regulation
Sign Up to like & getrecommendations! Published in 2024 at "Analytical and Bioanalytical Chemistry"
DOI: 10.1007/s00216-024-05381-y
Abstract: This work introduces a novel microfluidic backpressure pressure control developed for chip-based supercritical fluid chromatography (chipSFC). The presented on-chip pressure control mechanism involves the post-column addition of a viscous make-up stream, which enables pressure regulation… read more here.
Keywords: pressure; backpressure; chip; regulation ... See more keywords
Numerical investigation on the forced oscillation of shock train in hypersonic inlet with translating cowl
Sign Up to like & getrecommendations! Published in 2019 at "Aerospace Science and Technology"
DOI: 10.1016/j.ast.2019.02.022
Abstract: Abstract To investigate the forced oscillations of shock train caused by sinusoidal backpressure perturbations with different amplitudes and frequencies in a hypersonic inlet equipped with translating cowl, numerical simulations have been conducted with the application… read more here.
Keywords: backpressure; shock train; train; forced oscillation ... See more keywords
Adaptive control mechanism of shock wave/boundary layer interaction induced by the secondary recirculation jet with outlet backpressure
Sign Up to like & getrecommendations! Published in 2023 at "AIP Advances"
DOI: 10.1063/5.0147657
Abstract: The increased and unstable flow field backpressure will cause problems such as the non-starting of the inlet tract, and the widespread shock wave/boundary layer interaction (SWBLI) phenomena in the supersonic flow field exacerbates these problems.… read more here.
Keywords: flow field; backpressure; control; adaptive control ... See more keywords
Flow and spray characteristics of a gas–liquid pintle injector under backpressure environment
Sign Up to like & getrecommendations! Published in 2024 at "Physics of Fluids"
DOI: 10.1063/5.0201668
Abstract: Both the flow and spray characteristics of a gas–liquid pintle injector element under the backpressure environment were investigated experimentally and numerically. The cold atomization tests were conducted with the backpressure range from 0.50 to 1.54 MPa.… read more here.
Keywords: gas liquid; liquid; backpressure; flow spray ... See more keywords
Numerical investigation on response characteristics of bi-swirl coaxial injector under oscillating backpressure
Sign Up to like & getrecommendations! Published in 2024 at "Physics of Fluids"
DOI: 10.1063/5.0218346
Abstract: The response characteristics of the bi-swirl coaxial injector under oscillating backpressure were investigated numerically based on coupled level-set and volume of fluid model. The backpressure oscillation frequency was set ranging from 1000 to 5000 Hz. The… read more here.
Keywords: injector; backpressure; response; characteristics swirl ... See more keywords
Lifetime-Aware Backpressure—A New Delay-Enhanced Backpressure-Based Routing Protocol
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Systems Journal"
DOI: 10.1109/jsyst.2017.2789288
Abstract: Dynamic backpressure is a highly desirable family of routing protocols known for their attractive mathematical properties. However, these protocols suffer from a high end-to-end delay making them inefficient for real-time traffic with strict end-to-end delay… read more here.
Keywords: backpressure based; end end; backpressure; end delay ... See more keywords
Loop-Free Backpressure Routing Using Link-Reversal Algorithms
Sign Up to like & getrecommendations! Published in 2017 at "IEEE/ACM Transactions on Networking"
DOI: 10.1109/tnet.2017.2715807
Abstract: The backpressure routing policy is known to be a throughput optimal policy that supports any feasible traffic demand, but may have poor delay performance when packets traverse loops in the network. In this paper, we… read more here.
Keywords: backpressure routing; backpressure; loop free; link reversal ... See more keywords
Modular and Asynchronous Backpressure in Multihop Networks: Model and Optimization
Sign Up to like & getrecommendations! Published in 2017 at "IEEE Transactions on Vehicular Technology"
DOI: 10.1109/tvt.2016.2603534
Abstract: It is well known that backpressure routing and scheduling can achieve optimal operation in multihop networks. However, the joint routing and scheduling nature of backpressure imposes challenges for practical implementation since many off-the-shelf network nodes… read more here.
Keywords: multihop networks; modular asynchronous; asynchronous backpressure; optimization ... See more keywords
Machine Learning-Based Backpressure Unstart Prediction and Warning Method for Combined Cycle Engine Hypersonic Inlet-Oriented Wide Speed Range
Sign Up to like & getrecommendations! Published in 2024 at "International Journal of Aerospace Engineering"
DOI: 10.1155/2024/2284914
Abstract: Inlet unstart prediction and warning are strictly crucial to the operation of hypersonic engines, especially for combined cycle engines where implementation across a wide speed range poses significant challenges. This paper proposes a realization method… read more here.
Keywords: backpressure; wide speed; speed range; prediction ... See more keywords
Unstart Sensitivity of Hypersonic Streamtraced Inlets During Angle-of-Attack Operation
Sign Up to like & getrecommendations! Published in 2025 at "AIAA Journal"
DOI: 10.2514/1.j064532
Abstract: The propensity of a streamtraced hypersonic Busemann or “sugar scoop” inlet to unstart is experimentally and computationally investigated at positive and negative angles of attack. The backpressure was applied at the isolator exit in the… read more here.
Keywords: backpressure; response; operation; sensitivity ... See more keywords