Results 71 to 80 of about 3,031,130 (395)

Control means for a gas turbine engine [PDF]

open access: yes, 1982
A means is provided for developing a signal representative of the actual compressor casing temperature, a second signal representative of compressor inlet gas temperature, and a third signal representative of compressor speed.
Beitler, R. S.   +2 more
core   +1 more source

DESIGN OF A CENTRIFUGAL COMPRESSOR FOR NATURAL GAS [PDF]

open access: yesRevista de Engenharia Térmica, 2013
This work presents the design of a centrifugal compressor for natural gas in three steps. The first step is the 1-D preliminary design heavily based on empirical data, only the design point was considered here. The second step is the flow analysis in the meridional plane.
S. K. Kurauchi, João Roberto Barbosa
openaire   +2 more sources

Wafer Bonding Technologies for Microelectromechanical Systems and 3D ICs: Advances, Challenges, and Trends

open access: yesAdvanced Engineering Materials, EarlyView.
This review explores wafer bonding technologies, covering wafer preparation, activation methods, and bonding mechanisms. It compares direct and indirect bonding, highlights recent advancements and future trends, and examines applications in 3D integration and packaging.
Abdul Ahad Khan   +5 more
wiley   +1 more source

Autotransformer starting mode study for large compressor motor

open access: yesYou-qi chuyun, 2023
Compressor is the core process equipment of the refining and chemical enterprises, long-distance natural gas pipeline compressor stations, gas injection stations of gas storage, etc.
CUI Wanji
doaj   +1 more source

Accommodating repair actions into gas turbine prognostics [PDF]

open access: yes, 2013
Elements of gas turbine degradation, such as compressor fouling, are recoverable through maintenance actions like compressor washing. These actions increase the usable engine life and optimise the performance of the gas turbine.
Harrison, Robert F.   +3 more
core  

Investigation of Iron‐Aluminide‐Like Phase Composition in Complex Concentrated Fe32Cu12Ni11Ti16Al29 Alloy

open access: yesAdvanced Engineering Materials, EarlyView.
This work reveals the phase composition and quantitative morphology analysis of precipitation‐hardened Fe32Cu12Ni11Ti16Al29 complex‐concentrated alloy. The precipitates are shown to have a high coherency. Morphology transition between sphere, cuboidal, and elongated morphology is observed. Finally, the overaging behavior is captured using microhardness.
Rostyslav Nizinkovskyi   +4 more
wiley   +1 more source

Investigation of the Carbon Dioxide Centrifugal Compressor Working Process using Computational Fluid Dynamics Methods [PDF]

open access: yesProblems of the Regional Energetics
The article investigates the carbon dioxide (CO₂) centrifugal compressor using computational fluid dynamics (CFD). CO₂ centrifugal compressors are used in refrigeration and cryogenic systems, power plants with subcritical and transcritical cycles ...
Fateeva E.S.   +3 more
doaj   +1 more source

Stress analysis and fatigue life prediction of a wobble-plate [PDF]

open access: yes, 2006
A five-stage compressor for compressing natural gas is being designed and evaluated. The compressor operates at 1500 rpm with natural gas pressure of 50 psi.
Osman Ali, Hassan
core  

Effect of Copper Content on the Microstructure and Mechanical Properties of As‐Cast Refractory MoNbTi Multiprincipal Element Alloys

open access: yesAdvanced Engineering Materials, EarlyView.
Copper addition profoundly impacts MoNbTi multiprincipal element alloys. This study reveals copper's dual role, promoting microstructural refinement and strengthening intermetallics at optimal concentrations. An ideal copper content significantly boosts hardness and compressive strength, achieving superior mechanical performance.
Eder Lopes Ortiz   +6 more
wiley   +1 more source

Independent power generator [PDF]

open access: yes, 1978
A gas turbine powered aircraft auxiliary power system is described which is capable of efficiently supplying all aircraft auxiliary services both in flight and on the ground and is further capable of operating independently of the aircraft main engines ...
Young, R. N.
core   +1 more source

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