Results 11 to 20 of about 273,928 (312)

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

open access: yesMATEC 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   +2 more
doaj   +3 more sources

Influence of gas outburst dynamic flow on mine ventilation system

open access: yesAIP Advances, 2021
This study was conducted to analyze the influence of outburst power from coal and gas on mine ventilation systems in order to avoid damage from secondary disasters to mine ventilation systems.
Jingxiao Yu, Zongxiang Li, Wenqing Wang
doaj   +1 more source

Performance of Rim-Seals in Upstream and Downstream Cavities over a Range of Flow Coefficients

open access: yesInternational Journal of Turbomachinery, Propulsion and Power, 2017
This paper presents measurements of CO2 concentration and pressure in a new, highly instrumented and versatile, 1.5-stage gas turbine facility. The rig, which has been specifically designed for investigations related to hot gas ingestion, features ...
Marios Patinios   +3 more
doaj   +1 more source

A Multifidelity Aero-Thermal Design Approach for Secondary Air Systems

open access: yesJournal of Engineering for Gas Turbines and Power, 2021
Abstract The paper presents a multidisciplinary approach for aero-thermal and heat transfer analysis for internal flows. The versatility and potential benefit offered by the approach are described through the application to a realistic low pressure turbine assembly.
Amirante, Dario   +2 more
openaire   +5 more sources

Environmental Impact Assessment, on the Operation of Conventional and More Electric Large Commercial Aircraft [PDF]

open access: yes, 2013
Global aviation is growing exponentially and there is a great emphasis on trajectory optimization to reduce the overall environmental impact caused by aircraft. Many optimization techniques exist and are being studied for this purpose.
Lawson, Craig P.   +2 more
core   +1 more source

The Effect of Break Edge Configuration on the Aerodynamics of Anti-Ice Jet Flow

open access: yesEPJ Web of Conferences, 2015
One of the components of a turboprop gas turbine engine is the Front Bearing Structure (FBS) which leads air into the compressor. FBS directly encounters with ambient air, as a consequence ice accretion may occur on its static vanes.
Tatar V., Yildizay H., Aras H.
doaj   +1 more source

Reducing mid-air collision risk in controlled airspace: lessons from hazardous incidents [PDF]

open access: yes, 2005
The collection and analysis data on hazardous air traffic management (ATM) incidents is an important task. Expert judgement about such incidents needs to be carried out within a systematic and consistent safety framework.
Peter Brooker, Brooker, Peter
core   +1 more source

Control optimisatlion of CO(2) cycles for medium temperature retail food refrigeration systems [PDF]

open access: yes, 2009
This is the post-print version of the final paper published in International Journal of Refrigeration. The published article is available from the link below.
Ge, YT, Tassou, SA
core   +1 more source

Closed-loop bulk air conditioning: A renewable energy-based system for deep mines in arctic regions

open access: yesInternational Journal of Mining Science and Technology, 2020
With depletion of shallow deposits, the number of underground mines expected to reach more than 3 km depth during their lifetime is growing. Although surface cooling plants are mostly effective in mine air-conditioning, usually secondary cooling units ...
Ali Fahrettin Kuyuk   +2 more
doaj   +1 more source

Studying Cybersecurity in Civil Aviation, Including Developing and Applying Aviation Cybersecurity Risk Assessment

open access: yesIEEE Access, 2021
In addition to the importance of safety in civil aviation, the significance of cybersecurity in the aviation sector cannot be ignored, and this fact has often been highlighted owing to frequent cyber-attacks that denigrate victim(s) and also lead to ...
Ahmed Abdelwahab Elmarady, Kamel Rahouma
doaj   +1 more source

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