High Temperature Engine Component Exploratory Design Development

1989 ◽  
Author(s):  
Walter Bryzik ◽  
Melvin E. Woods ◽  
Ernest Schwarz ◽  
Paul Glance
Keyword(s):  
High Temperature ◽  
Design Development ◽  
Engine Component

Design-development of a variable load tension—compression creep testing machine

1986 ◽  
Vol 21 (1) ◽  
pp. 25-31
Author(s):  
C J Morrison ◽  
D R Hayhurst
Keyword(s):  
High Temperature ◽  
Testing Machine ◽  
High Accuracy ◽  
Gauge Length ◽  
Ball Screw ◽  
Variable Load ◽  
High Temperature Creep ◽  
Design Development ◽  
Dead Weight ◽  
Compression Creep

The design and development is described of a variable load tension-compression creep machine (±50 kN) which overcomes the disadvantages of servo-hydraulic and recirculating ball screw testing machines. The use of dead weight levers to apply specimen loads ensures the achievement of low running costs. Screwed end specimens are used with a 25.40 mm parallel sided gauge length and a diameter of 12.70 mm. It is shown that, provided modest rates of loading (0.4 kN/s) are used, high accuracy ‘through zero’ loadings can be achieved. The machine has been shown to operate satisfactorily for long periods under tension-compression high temperature creep.

Design Development of High Temperature Manifold Converter Using Thin Wall Ceramic Substrate

1997 ◽  
Author(s):  
K. Umehara ◽  
T. Yamada ◽  
T. Hijikata ◽  
M. Makino ◽  
F. Katsube
Keyword(s):  
High Temperature ◽  
Ceramic Substrate ◽  
Thin Wall ◽  
Design Development ◽  
Wall Ceramic

scholarly journals NNEPEQ—Chemical Equilibrium Version of the Navy/NASA Engine Program

1989 ◽  
Vol 111 (1) ◽  
pp. 114-116 ◽  
Author(s):  
L. H. Fishbach ◽  
S. Gordon
Keyword(s):  
High Temperature ◽  
Chemical Equilibrium ◽  
Computer Code ◽  
Turbine Engines ◽  
Government Agencies ◽  
Gas Generator ◽  
Engine Component ◽  
High Mach ◽  
Alternate Fuels ◽  
Component Models

The Navy NASA Engine Program, NNEP, developed in 1975, currently is in use at a large number of government agencies, commercial companies, and universities. This computer code has been used extensively to calculate the design and off-design (matched) performance of a broad range of turbine engines, ranging from subsonic turboprops to variable cycle engines for supersonic transports. Recently, there has been increased interest in applications that NNEP was not capable of simulating, namely, high Mach applications, alternate fuels including cryogenics, and cycles such as the gas generator air-turbo-rocket (ATR). In addition, there is interest in cycles employing ejectors such as for military fighters. New engine component models had to be created for incorporation into NNEP, and it was also found necessary to include chemical dissociation effects of high-temperature gases. This paper discusses the incorporation of these extended capabilities of NNEP and illustrates some of the effects of these changes.

scholarly journals Design Development and Analysis of a Partially Superconducting Axial Flux Motor Using YBCO Bulks

Materials ◽  
2021 ◽  
Vol 14 (15) ◽  
pp. 4295
Author(s):  
Brahim Chelarem Douma ◽  
Bilal Abderezzak ◽  
Elhadj Ailam ◽  
Raluca-Andreea Felseghi ◽  
Constantin Filote ◽  
...  
Keyword(s):  
Magnetic Field ◽  
High Temperature ◽  
Low Temperature ◽  
Magnetic Flux ◽  
Power Density ◽  
Theoretical Study ◽  
Design Development ◽  
Axial Flux ◽  
Flux Concentration ◽  
The Magnetic Field

In this work, authors have designed, constructed and tested a new kind of partially superconducting axial flux machine. This model is based on the magnetic flux concentration principle. The magnetic field creation part consists of the NbTi superconducting solenoid and two YBaCuO plates. A theoretical study is conducted of an extrapolated superconducting inductor for low-temperature superconducting and high-temperature superconducting solenoids. The optimization of the inductor is carried out in order to increase the torque and the power density as well. This improvement is done by changing the shape of the elements which form the superconducting inductor. Finally, a prototype is realized, and tested.

High-Temperature Surface Measurements of Turbine Engine Components Using Thermographic Phosphors

1997 ◽  
Author(s):  
Sami Alaruri ◽  
Andy Brewington
Keyword(s):  
High Temperature ◽  
Gas Flow ◽  
Single Point ◽  
Temperature Measurements ◽  
Turbine Engine ◽  
Thermographic Phosphors ◽  
Engine Component ◽  
Surface Measurements ◽  
Engine Components ◽  
Temperature Surface

A laser-based system for single point high-temperature measurements of turbine engine component surfaces coated with thermographic phosphors is described. Decay lifetime calibration measurements obtained for Y2O3:Eu over the temperature range ∼530–1000°C are presented. Further, the results obtained from a coupon placed in the outlet gas flow of an atmospheric-combustor are described.

Sign in / Sign up

Export Citation Format

Share Document