Results 111 to 120 of about 4,884 (235)

Development and Applications of a Stage Stacking Procedure [PDF]

open access: yes, 2012
The preliminary design of multistage axial compressors in gas turbine engines is typically accomplished with mean-line methods. These methods, which rely on empirical correlations, estimate compressor performance well near the design point, but may ...
Adamczyk, John J.   +2 more
core   +1 more source

Fluid machines: Expanding the limits, past and future [PDF]

open access: yes
During the 40 yr period from 1940 to 1980, the capabilities and operating limits of fluid machines were greatly extended. This was due to a research program, carried out to meet the needs of aerospace programs. Some of the events are reviewed.
Hartmann, M. J., Sandercock, D. M.
core   +1 more source

Gas turbine engine with recirculating bleed [PDF]

open access: yes, 1978
Carbon monoxide and unburned hydrocarbon emissions in a gas turbine engine are reduced by bleeding hot air from the engine cycle and introducing it back into the engine upstream of the bleed location and upstream of the combustor inlet. As this hot inlet
Adamson, A. P.
core   +1 more source

Parametric study of advanced multistage axial-flow compressors [PDF]

open access: yes
Axial flow compressor study to increase pressure ratio and reduce overall ...
Bryans, A. C., Miller, M. L.
core   +1 more source

Piston ring assembly for a new natural gas vehicle symmetrical multistage wobble-plate compressor [PDF]

open access: yes, 2006
Natural gas is an alternative fuel of choice in the market today due to the increase in the price of petroleum, as well as out of environmental concerns. Pressure requirement for a natural gas vehicle (NGV) storage tank is 3000 psig (206 bars).
Abdul Latif, Ainullotfi   +6 more
core  

Numerical Simulation of Gas-Liquid Two-Phase Flow in a Downhole Multistage Axial Compressor Under Different Inlet Conditions

open access: yesEnergies
During natural gas field extraction, downhole compressors frequently encounter gas-liquid two-phase flow conditions, yet the internal flow characteristics and performance evolution mechanisms remain insufficiently understood.
Mingchen Cao   +5 more
doaj   +1 more source

Enhancing aeropropulsion research with high-speed interactive computing [PDF]

open access: yes
NASA-Lewis has committed to a long range goal of creating a numerical test cell for aeropropulsion research and development. Efforts are underway to develop a first generation Numerical Propulsion System Simulation (NPSS).
Arpasi, Dale J.   +2 more
core   +1 more source

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