Results 51 to 60 of about 13,962 (229)

Oxide‐Based Ceramic Matrix Composites for High‐Temperature Environments: A Review

open access: yesAdvanced Engineering Materials, Volume 27, Issue 7, April 2025.
This review examines oxide‐based ceramic matrix composites, focusing on their processing, composition, and mechanical properties for high‐temperature applications. Key topics include oxidation resistance, failure mechanisms, and corrosion behavior, with insights into their potential use in aerospace, nuclear power, and other high‐performance industries.
Karthikeyan Ramachandran   +2 more
wiley   +1 more source

Gas turbine exhaust nozzle [PDF]

open access: yes, 1973
An elongated hollow string is disposed in an exhaust nozzle combustion chamber and communicates with an air source through hollow struts at one end. The other end of the string is bell-mouth shaped and extends over the front portion of a nozzle plug. The
Straight, D. M.
core   +1 more source

Performance Assessment of a Centrifugal Pump With Varying Blade Counts and Fluid Viscosities Through Euler Head and Entropy Production Analysis

open access: yesEngineering Reports, Volume 7, Issue 4, April 2025.
The centrifugal pump achieved optimal performance at lower viscosity with a minimal number of blades, as evidenced by reduced turbulent kinetic energy, leading to minimal energy loss and maximum efficiency, with the best operation observed using water and five blades.
Abubaker A. M. Mohammedali   +4 more
wiley   +1 more source

Recycled tire rubber as reinforcement for erosion‐resistant epoxy composites

open access: yesPolymer Engineering &Science, Volume 65, Issue 3, Page 1386-1403, March 2025.
Recycled tire rubber as reinforcement for erosion‐resistant epoxy composites. Abstract The aim of the study was to develop environmentally friendly, low‐cost, and highly erosion‐resistant composites using rubber particles recycled from waste tires as reinforcement.
Orkan Baran Korkusuz   +2 more
wiley   +1 more source

Thermodynamic analysis of supercritical carbon dioxide cycle using waste heat of V18 MAN 51/60DF engine

open access: yesEngineering Reports, Volume 7, Issue 1, January 2025.
Integration of the micro S‐CO2 cycle with V18 MAN 51/60DF engines in powerships for waste heat recovery enhances energy efficiency and sustainability. The system utilizes 374.4 kW of waste heat, achieving 21.8% energy efficiency and 9.7% exergy efficiency, with a net work output of 54.11 kW.
Mehmet Erhan Şahin   +2 more
wiley   +1 more source

A Theoretical and Experimental Investigation of the Effects of Inverted Wings Modifications on the Stability and Aerodynamic Performance of a Sedan Car at Cornering

open access: yesEngineering Reports, Volume 7, Issue 1, January 2025.
ABSTRACT This research examines the impact of cornering on the aerodynamic forces and stability of a Nissan Versa (Almera) passenger sedan car by introducing novel modifications. These modifications included single inverted wings with end plates as a front spoiler, double‐element inverted wings with end plates as a rear spoiler, and incorporating the ...
Mustafa Sabeeh Abood   +2 more
wiley   +1 more source

Research of expendable turbojet tubular combustion chamber

open access: yesAdvances in Mechanical Engineering, 2022
This paper presents research related to the tubular combustion chamber of an expendable turbojet. Although annular combustors are dominant at present, tubular combustors are still attractive because they are simpler to produce and require lower amounts ...
Nikola S. Davidović   +3 more
doaj   +1 more source

Impulse Correlation for Partially Filled Detonation Tubes [PDF]

open access: yes, 2004
The effect of nozzles on the impulse obtained from a detonation tube of circular cross section has been the focus of many experimental and numerical studies. In these cases, the simplified detonation tube is closed at one end (forming the thrust surface)
Cooper, M., Schauer, F., Shepherd, J. E.
core   +1 more source

Failure‐Based Sizing and Energy Management for Hybrid Propulsion Regional Aircraft

open access: yesIET Control Theory &Applications, Volume 19, Issue 1, January/December 2025.
Sizing of hybrid propulsion system considering failure of hybrid propulsion energy sources. Determination of reference battery SOC trajectories during flight for emergency or safe landing of aircraft in the event of all turbine's failure. Design of resilient switching‐fuzzy energy management strategy for HEPS.
Masoud Khasheinejad   +1 more
wiley   +1 more source

Airworthiness Design and Analysis of Compliance Demonstration forReversing System

open access: yesHangkong gongcheng jinzhan, 2018
Most of the modern turbojet airplanes are installed with reversing system, which can promote the economy, availability and safety of airplanes. However, failures of reversing system may have significant effect on airplane and people on-board and on the ...
Qiu Chaoqun, Sun Shidong
doaj   +1 more source

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