Results 31 to 40 of about 461,778 (311)

Airborne Separation Assurance Systems: towards a work programme to prove safety [PDF]

, 2004
With Full Delegation Airborne Separation Assurance System (ASAS), separation control would be delegated to the (properly equipped) aircraft, i.e. aircraft pilots are responsible for aircraft separation.
Peter Brooker, Brooker, Peter
core   +1 more source

Secondary PM2.5 dominates aerosol pollution in the Yangtze River Delta region: Environmental and health effects of the Clean air Plan

, 2023
The Clean Air Plan has been active in China since 2013 to mitigate severe PM2.5 pollution. In this study, we applied the air quality model WRF-Chem to simulate PM2.5 in the Yangtze River Delta (YRD) region of China in 2017, with the aim of assessing the ...
Ruhan Zhang, Lei Chen, Liao, Hong, Nan Li, Zhu, Shuhan, Li, Jiandong, Weihang Feng, Chen, Lei, Li, Nan, Zhang, Ruhan, Jiandong Li, Shuhan Zhu, Chong Shi, Hong Liao, Zhang, Haoran, Hu, Jianlin, Feng, Weihang, Jianlin Hu, Haoran Zhang, Hongmei Xu, Keqin Tang, Shi, Chong, Tang, Keqin, Xu, Hongmei   +23 more
core   +1 more source

Flow Characteristics and Mass Flow Distribution Mechanism Within Multi-Inlet and Multi-Outlet Corotating Disc Cavities

Energies
This study reveals the governing mechanism of mass flow distribution within a multi-inlet, multi-outlet corotating disc cavity, providing critical insights for designing advanced gas turbine secondary air systems.
Clarence Jia Cheng Chai, Xueying Li, Jing Ren   +2 more
doaj   +1 more source

Improvement of Solid-Gas Interaction in Fluidized Bed Systems via Secondary Air- Injection

MATEC Web of Conferences, 2017
Since the invention of fluidized bed systems to augment chemical reactions, numerous innovations were introduced to the system. These innovations result-in substantial improvement to the overall efficiency apart from resulting the fluidized bed system to
Mohideen Batcha Mohd Faizal, Sabudin Sulastri, Zakaria Jamal Hazri   +2 more
doaj   +1 more source

Experimental and Numerical Investigation on Finned Vortex Reducer in a Rotating Cavity with a Radial Inflow

Aerospace, 2023
In aero-engines, a secondary air system is used to cool the rotor discs and seal cavities between rotor and stator parts. The pressure loss caused by bleed air can be effectively reduced by setting the finned vortex reducer. Thus, the bleed system design
Jian He, Xiang Luo, Yang Bai, An Song, Tao Yang   +4 more
doaj   +1 more source

Experimental investigation of solid holdup in twin-cyclone combustor [PDF]

Research & Knowledge, 2016
In this study, the hydrodynamics behaviors and solid holdup in a twin-cyclone combustor with a swirling fl uidized bed were investigated under a wide range of cold–air operating conditions. Silica sand of three different particle size ranges: 600–710 μm,
Kasama Sirisomboon, Nuttachai Kummun
doaj   +1 more source

A survey on the modelling of air springs–secondary suspension in railway vehicles

, 2022
The air spring is the main part of the secondary suspension of passenger railway vehicles. The aim of this paper is to review existing modelling techniques for air springs in order to check if challenges set in the past decade for available models have ...
Mendia-Garcia, I., Gil-Negrete Laborda, N., Berg, Mats,, Pradera-Mallabiabarrena, A.   +3 more
core   +1 more source

Influence of Inlet Temperature Differentials on Aerothermal Characteristics and Mass Flow Distribution in Multi-Inlet and Multi-Outlet Corotating-Disc Cavities

Energies
To facilitate the development of next-generation gas turbine cooling systems, the present study systematically investigates the influence of inlet temperature differentials on the aerothermal characteristics and mass flow distribution within multi-inlet,
Clarence Jia Cheng Chai, Xueying Li, Jing Ren   +2 more
doaj   +1 more source

Using morphological analysis to tackle uncertainty at the design phase for a safety critical application

Propulsion and Power Research, 2015
The gas turbine engine internal air system provides cooling and sealing air to a series of critical subsystems and components such as high pressure gas turbine blades, as well as controlling the thrust load on the turbine and compressor spool assembly ...
P.R.N. Childs, B. Garvey
doaj   +1 more source

Design of secondary air system and thermal models for triple spool jet engines

, 2012
This master thesis deals with the understanding of the secondary air system of athree spool turbofan. The main purpose is the creation of secondary air systemand thermal models to evaluate the behavior of this kind of engine architectureand estimate the pros and cons in comparison with a typical two spool turbofan.
CATY, Fabien
openaire   +3 more sources