Results 261 to 270 of about 134,037 (330)

Patient's Perspective and Change in Quality of Life After Stapes Surgery: A Multicenter Prospective Trial. [PDF]

Otolaryngol Head Neck Surg
Jellema M, Blijleven EE, Buwalda J, Hemler RJB, van Waegeningh HF, Stokroos RJ, Wegner I, Thomeer HGXM.   +7 more
europepmc   +1 more source

Effects of Particle Migration on the Relaxation of Shock Wave Collisions. [PDF]

Entropy (Basel)
Li H, Xu B, Yan Z, Zhang X, Mo C, Xue Q, Xiao X, Liu H.   +7 more
europepmc   +1 more source

Theoretical and Experimental Research Concerning the Friction Forces Developed in Hydraulic Cylinder Coaxial Sealing Systems Made from Polymers. [PDF]

Polymers (Basel)
Sârbu FA, Arnăuţ F, Deaconescu A, Deaconescu T.   +3 more
europepmc   +1 more source

Study on Friction and Wear Performance of Sliding Metal Seal Materials Under Reciprocating Motion. [PDF]

Materials (Basel)
Yao H, Liang X, Guo L, Wang X, Bai L, Wang C.   +5 more
europepmc   +1 more source

Hyphal growth determines spatial organization and coexistence in a pathogenic polymicrobial community within alveoli-like geometries

Mancini L, Saliekh L, Claydon R, Kotar J, Benyei E, Munro CA, Shendruk TN, Brown A, Welch M, Cicuta P.   +9 more
europepmc   +1 more source

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PISTON RINGS AND PISTONS

2023
General-These specifications are in general use and have been adopted as an SAE Standard primarily for conventional automotive type engines. This category includes passenger car and light or medium duty truck, tractor, and industrial engines, as well as some compressors. For heavy duty gasoline and diesel engine it may be necessary to depart from these
  +4 more sources

Theoretical and Simulation Investigations on Flow Ripple Reduction of Axial Piston Pumps Using Nonuniform Distribution of Pistons

Journal of Dynamic Systems Measurement, and Control, 2020
The output flow ripple of the axial piston pump is one of the excitation sources for the hydraulic system vibration. The amplitudes of its specific harmonics must be reduced to avoid the resonance with the hydraulic pipeline. In this paper, a method on
Fei Lyu, Shaogan Ye, Jun-hui Zhang, Bing Xu, Weidi Huang, Haogong Xu, Xiaochen Huang   +6 more
semanticscholar   +1 more source

A study of suspension plasma-sprayed insulated pistons evaluated in a heavy-duty diesel engine

International Journal of Engine Research, 2020
Thermal barrier coatings can be used to reduce the heat losses in heavy-duty diesel engines. A relatively new coating method for thermal barrier coatings is suspension plasma-spraying.
Anders Thibblin, U. Olofsson
semanticscholar   +1 more source

Suppressing ripple distortions and spurious pistons in phase-shifting interferometry.

Journal of The Optical Society of America A-optics Image Science and Vision, 2020
In this paper, we present new phase-shifting algorithms (PSAs) that suppress the ripple distortions and spurious pistons in phase-shifting interferometry.
Ivan Choque, M. Padilla, M. Servin, M. Asmad, Sotero Ordones   +4 more
semanticscholar   +1 more source

Piston Velocities and Piston Work

Aircraft Engineering and Aerospace Technology, 1950
WHEN evaluating engine efficiencies, mean effective pressures or the work done by the piston in internal combustion engines or compressors, it is generally assumed that the state of the working fluid is uniform throughout its mass. From this it follows that the expression for work where P denotes pressure and V, volume, holds.
J.S. Glass, J. Kestin
openaire   +1 more source