Results 41 to 50 of about 34,356 (208)

Off-design considerations through the properties of some pressure-ratio line of radial inflow turbines [PDF]

, 2008
Radial turbines are commonly used in applications involving operation through severe off-design conditions. The emergence of variable-geometry systems leads to the distinction between two off-design concepts: operational and geometric off-designs.
Binder, Nicolas, Carbonneau, Xavier, Chassaing, Patrick   +2 more
core   +3 more sources

A Shock‐Tube Study of the HCl + M →$\to $ H + Cl + M (M = Ar) Rate Constant Using HCl Laser Absorption Near 3.3 µm

International Journal of Chemical Kinetics, EarlyView.
ABSTRACT Hydrogen chlorine (HCl) is an important combustion intermediate during plastic (municipal waste) and composite propellant (aerospace) combustion, but the understanding of its high‐temperature chemistry is still evolving. In this study, the pyrolysis of 0.5% HCl in Ar was investigated behind reflected shock waves in a shock tube at temperatures
Claire M. Grégoire, Olivier Mathieu, Eric L. Petersen   +2 more
wiley   +1 more source

Heat transfer and film cooling measurements on aerodynamic geometries relevant for turbomachinery

SN Applied Sciences, 2021
A measurement technique for recording convective heat transfer coefficient and adiabatic film cooling effectiveness in demanding environments with highly curved surfaces and limited optical access, such as turbomachinery, is presented.
Patrick Jagerhofer, Jakob Woisetschläger, Gerhard Erlacher, Emil Göttlich   +3 more
doaj   +1 more source

Forces on Centrifugal Pump Impellers [PDF]

, 1985
Forces are exerted on a centrifugal pump impeller, due to the asymmetry of the flow caused by the volute of diffuser, and to the motion of the center of the impeller whenever the shaft whirls. Recent work in the measurement of these forces as a function
Acosta, Allan, Brennen, Christopher E., Caughey, Thomas K., Jery, Belgacem   +3 more
core   +1 more source

Numerical Investigation of Transonic Axial Compressor Rotor With Leading‐Edge Tubercles

Engineering Reports, Volume 8, Issue 3, March 2026.
Amplitude, wavelength, and span‐wise location of the leading‐edge tubercles on a transonic NASA Rotor 37 compressor are numerically optimized. An increase in efficiency by 0.52% compared to the corresponding baseline rotor is observed. The location of the shockwave moves downstream of the rotor with 1.91% higher pressure.
Muhammad Hamza, Tariq Talha, Shahid Aziz, Syed Osama Safdar Bukhari, Abdur Rehman Mazhar, Rehan Khan, Dong‐Won Jung   +6 more
wiley   +1 more source

Energy Storage System in Microgrids: Challenges and Opportunities

Energy Science &Engineering, Volume 14, Issue 3, Page 1601-1625, March 2026.
Hybrid integration of multiple Energy Storage Systems (ESSs) within renewable‐powered microgrids enhances reliability, flexibility, and economic sustainability. Lithium‐ion batteries, flow batteries, hydrogen storage, and thermal systems complement each other through coordinated control via Energy Management Systems.
Mohamed G. Moh Almihat, Josiah L. Munda
wiley   +1 more source

Forced Response Analysis of Dynamic Systems With Inertia Nonlinearity by Applying the Multiharmonic Balance Method

Proceedings in Applied Mathematics and Mechanics, Volume 26, Issue 1, March 2026.
ABSTRACT Nonlinear mechanical vibrations under harmonic forcing can be well approximated by Fourier series. For a finite number of harmonics, the error is minimized over one period of vibration. This technique, known as multiharmonic balance method (MHBM), is today widely used in academics as well as industrial applications, e.g., for friction‐damped ...
Sebastian Tatzko, Sebastian Neumann, Tido Kubatschek   +2 more
wiley   +1 more source

Opportunities to Enhance sCO2 Power Cycle Turbomachinery with Bearingless Motor/Generators

Solar Compass
Thermal power cycles using sCO2 as a working fluid place extreme demands on their turbomachinery components and their electric motors/generators.
Takahiro Noguchi, WaiYan Chan, Nathan Petersen, Logan Rapp, Eric Severson   +4 more
doaj   +1 more source

Damping seal for turbomachinery [PDF]

, 1985
A damping seal between a high speed rotor member and stator member that separates pressurized fluid compartments is described. It is characterized by the rotor member having a smooth outer surface and the stator member having its bore surface roughened ...
Vonpragenau, G. L.
core   +1 more source

A Jacobian‐Free Newton‐Krylov Method for Cell‐Centred Finite Volume Solid Mechanics

International Journal for Numerical Methods in Engineering, Volume 127, Issue 3, 15 February 2026.
ABSTRACT This study proposes a Jacobian‐free Newton‐Krylov approach for finite‐volume solid mechanics. Traditional Newton‐based approaches require explicit Jacobian matrix formation and storage, which can be computationally expensive and memory‐intensive.
Philip Cardiff, Dylan Armfield, Željko Tuković, Ivan Batistić   +3 more
wiley   +1 more source