On discharge from poppet valves: effects of pressure and system dynamics
Sign Up to like & getrecommendations! Published in 2018 at "Experiments in Fluids"
DOI: 10.1007/s00348-017-2478-8
Abstract: Simplified flow models are commonly used to design and optimize internal combustion engine systems. The exhaust valves and ports are modelled as straight pipe flows with a corresponding discharge coefficient. The discharge coefficient is usually… read more here.
Keywords: valves effects; discharge poppet; poppet valves; discharge coefficient ... See more keywords
Experimental Study of the Hydraulic Performance of D-Type Triangular Piano Key Weirs
Sign Up to like & getrecommendations! Published in 2021 at "International Journal of Civil Engineering"
DOI: 10.1007/s40999-021-00630-y
Abstract: Piano key weirs are a new type of weir designed to enhance the discharge capacity of dams. The present study is aimed at experimentally evaluating the hydraulic characteristics of a D-type triangular piano key weir.… read more here.
Keywords: type triangular; triangular piano; piano; discharge coefficient ... See more keywords
Development of an adaptive discharge coefficient to improve the accuracy of cross-ventilation airflow calculation in building energy simulation tools
Sign Up to like & getrecommendations! Published in 2018 at "Building and Environment"
DOI: 10.1016/j.buildenv.2017.10.019
Abstract: Airflow network (AFN) model embedded in building energy simulation (BES) tools such as EnergyPlus is extensively used for prediction of cross-ventilation in buildings. The noticeable uncertainty in the measurement of the surface pressure, discharge coefficient,… read more here.
Keywords: building; discharge coefficient; cross ventilation;
Laboratory investigation of the Discharge Coefficient of flow in arced labyrinth weirs with triangular plans
Sign Up to like & getrecommendations! Published in 2018 at "Flow Measurement and Instrumentation"
DOI: 10.1016/j.flowmeasinst.2018.10.011
Abstract: Abstract Weirs play a decisive role in the safety of dams. There are different types of weirs including labyrinth, linear, arced, piano key, etc. Arced weir is an arc of a circle which makes possible… read more here.
Keywords: hydraulic load; arced weirs; discharge; weir ... See more keywords
Experimental study of trapezoidal piano key side weirs in a curved channel
Sign Up to like & getrecommendations! Published in 2019 at "Flow Measurement and Instrumentation"
DOI: 10.1016/j.flowmeasinst.2019.101640
Abstract: Abstract Side weirs are hydraulic structures usually used for flow diversion in irrigation, drainage and sewer networks. The piano key weir (PKW) is the newest form of labyrinth weir. It is more efficient and needs… read more here.
Keywords: piano key; curved channel; coefficient; side weirs ... See more keywords
Effective force area and discharge coefficient for reed type valves: A comprehensive data set from a numerical study
Sign Up to like & getrecommendations! Published in 2019 at "International Journal of Refrigeration"
DOI: 10.1016/j.ijrefrig.2019.04.017
Abstract: Abstract Radial diffusers have been used as valve model to determine effective force area and discharge coefficient of the flow. A comprehensive data set of these parameters is lacking in the literature. Here, we present… read more here.
Keywords: force area; discharge coefficient; effective force;
Application of optimized Artificial and Radial Basis neural networks by using modified Genetic Algorithm on discharge coefficient prediction of modified labyrinth side weir with two and four cycles
Sign Up to like & getrecommendations! Published in 2020 at "Measurement"
DOI: 10.1016/j.measurement.2019.107291
Abstract: Abstract Determining the discharge coefficient is one of the most important processes in designing side weirs. In this study, the structure of Artificial Neural Network (ANN) and Radial Basis Neural Network (RBNN) methods are optimized… read more here.
Keywords: radial basis; discharge coefficient; genetic algorithm; basis neural ... See more keywords
Discharge coefficient of side weirs on converging channels using extreme learning machine modeling method
Sign Up to like & getrecommendations! Published in 2020 at "Measurement"
DOI: 10.1016/j.measurement.2019.107321
Abstract: Abstract Generally, side weirs are utilized in main flumes to control and adjust the flow. In this study, for the first time, the discharge coefficient of side weirs installed on converging channels is simulated using… read more here.
Keywords: coefficient side; discharge; model; side weirs ... See more keywords
Effect of downstream apron elevation and downstream submergence in discharge coefficient of ogee weir
Sign Up to like & getrecommendations! Published in 2018 at "ISH Journal of Hydraulic Engineering"
DOI: 10.1080/09715010.2018.1556125
Abstract: Discharge coefficient in ogee spillways is essential factor for producing discharge–head relationship. Discharge coefficient is relevant to the downstream water level submergence and downstream apr... read more here.
Keywords: coefficient ogee; downstream; discharge coefficient; submergence ... See more keywords
Fuzzy logic for discharge coefficient interpolation in hydraulic transients: experimental analysis
Sign Up to like & getrecommendations! Published in 2020 at "ISH Journal of Hydraulic Engineering"
DOI: 10.1080/09715010.2020.1747556
Abstract: Understanding hydraulic transients in real sanitation systems is extremely important, especially when developing expansion and/or adequacy projects in facilities that operate in a transitory regime... read more here.
Keywords: coefficient interpolation; interpolation hydraulic; fuzzy logic; logic discharge ... See more keywords
Effect of geometric and operating parameters on the spray characteristics of an open-end swirl injector
Sign Up to like & getrecommendations! Published in 2019 at "Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering"
DOI: 10.1177/0954410018824519
Abstract: To study the influence of geometric and operating parameters on the spray characteristics of an open-end swirl injector, seven injectors with different tangential inlet diameters (D p ) and injector length to injector orifice diameter… read more here.
Keywords: angle; geometric operating; discharge coefficient; operating parameters ... See more keywords