Login | Signup now       

Guest

 Click to see how  

HOME | VIDEOS | DOCUMENTS | COLLECTIONS | UPLOAD | BROADCAST | MY ACCOUNT | FEEDBACK | ABOUT

 

Share  Title: Fiber-Optic based Dynamic Pressure sensor for Combustion

 

 
Abstract

 Download Papers  Read full document

 
 
 
iConnect (Beta)   |   Sponsor  |   Comment   |    Report    Like    
 
 

Acquiring accurate, transient measurements in harsh environments has always pushed the limits of available measurement technology. Until recently, the technology to directly measure certain properties in extremely high temperature environments has not existed. Advancements in optical measurement technology have led to the development of measurement techniques for pressure, temperature, acceleration, skin friction, etc. using extrinsic Fabry-Perot interferometry (EFPI). The basic operating principle behind EFPI enables the development of sensors that can operate in the harsh conditions associated with turbine engines, high-speed combustors, and other aerospace propulsion applications where the flow environment is dominated by high frequency pressure and temperature variations caused by combustion instabilities, blade-row interactions, and unsteady aerodynamic phenomena. Using micromachining technology, these sensors are quite small and therefore ideal for applications where restricted space or minimal measurement interference is a consideration. In order to help demonstrate the general functionality of this measurement technology, sensors and signal processing electronics currently under development by Luna Innovations were used to acquire point measurements during testing of a transonic fan in the Compressor Research Facility (CRF) at the Turbine Engine Research Center (TERC), WPAFB. Acquiring pressure measurements at the surface of the casing wall provides data that are useful in understanding the effects of pressure fluctuations on the operation and lifetime wear of a fan. This measurement technique is useful in both test rig applications and in operating engines where lifetime wear characterization is important. The measurements acquired during this test also assisted in the continuing development of this technology for higher temperature environments by providing proof-of-concept data for sensors based on advanced microfabrication and optical techniques.

 
 
Download Papers  Read full document
 
 
 
Most Viewed This Month
Supersonic Nozzle design by Method of Characteristics
A report discussing critical factors affecting Project performance
JPEG Progressive mode vs Sequential mode
Rayleigh criteria and Combustion Instability
Business Plan for Online Money Transfer
Adaptive Equalization Techniques using Least Mean Square (LMS) algorithm
Girlkultur Mass Culture in Weimar Germany
Adaptive Equalization Techniques using Recursive Least Square (RLS) algorithm
Combustion Instability in Liquid Rocket Engines
A Technical Essay on the Gyroplane
Laminar Separation Bubble
Experimental Study of Compressible Pipe Flow with Friction and Heat Addition
NOTAR Helicopter
The Role of Density Gradient in Liquid Rocket Engine Combustion Instability
Quasi-one-dimensional models for glassy dynamics
 
Related Documents
Fiber-Optic based Dynamic Pressure sensor for Combustion
Hydrogen sensors based on titania nano-tubes
Combustion Instability in Liquid Rocket Engines
Experimental Study of Compressible Pipe Flow with Friction and Heat Addition
Rayleigh criteria and Combustion Instability
The Role of Density Gradient in Liquid Rocket Engine Combustion Instability
A Machine Learning approach to localization in Wireless Sensor Networks
Modeling and Simulation of Mixing Layer Flows For Rocket Engine Film Cooling
Evaluation of phase and magnitude based features for speaker identification
Evaluation of Phase & Magnitude based Features for Speaker Identification
Evaluation of Feature Recombination Techniques for Speaker Identification
Temperature measurements during Reentry
Laminar Separation Bubble
The Combustion of Aluminum in Solid Rocket Propellants
Decline of the Tip-Jet
 
Member Documents
The Combustion of Aluminum in Solid Rocket Propellants
Fiber-Optic based Dynamic Pressure sensor for Combustion
Laser-Induced Breakdown Spectroscopy A Literature Review
Tunable Thermal Conductivity
 

Keywords

Fiber-Optic  Sensors  MEMS  High-Temperature  Turbine  
Engines  
 
 
 About This Document
 
 Subject Mechanical Engineering
 Category Term Paper
 Views 1626
 Downloads 227
 Added 29-07-11
 Contributor   ajayvs
 Add to Favourites
 Report Abuse
 
 Related Videos
 See More

 RunTime  00:01:00
 Uploaded  11-12-07
 Views  5113
   
 Lamina Flow Stirling Engi...

 RunTime  00:00:38
 Uploaded  27-12-07
 Views  4053
   
 Cavitation in zero-g (Sho...

 RunTime  00:09:58
 Uploaded  03-09-09
 Views  3412
   
 Standing Waves in Air Col...

 RunTime  00:03:33
 Uploaded  13-05-08
 Views  3219
   
 Hovercraft Design - Maryl...

 RunTime  00:09:59
 Uploaded  13-05-08
 Views  3994
   
 Hovercraft Design - Maryl...

 RunTime  00:08:00
 Uploaded  13-05-08
 Views  3579
   
 Hovercraft Design - Maryl...

 RunTime  00:05:20
 Uploaded  02-04-10
 Views  5480
   
 Influence of a Streamwise...

 RunTime  00:00:58
 Uploaded  11-12-07
 Views  3203
   
 Model of a stirling engin...

 RunTime  00:00:08
 Uploaded  11-12-07
 Views  4690
   
 Marble displacer Stirling...

 RunTime  00:04:21
 Uploaded  14-12-07
 Views  3396
   
 GE90-115B Gas Turbine Jet...

 RunTime  00:01:31
 Uploaded  26-12-07
 Views  3555
   
 FASTCAM SA1 : DigInfo

 RunTime  00:09:12
 Uploaded  18-11-07
 Views  3138
   
 Solid Oxide Fuel Cells

 RunTime  00:09:54
 Uploaded  12-01-10
 Views  3359
   
 Saturn: A Giant Thrust in...

 RunTime  moderate
 Uploaded  14-02-12
 Views  1371
   
 Flash Point, Flame Point ...

 RunTime  00:06:05
 Uploaded  08-01-08
 Views  3103
   
 Deployment of ANDE Satell...

 RunTime  00:02:03
 Uploaded  27-12-07
 Views  3156
   
 4-stroke internal combust...

 RunTime  00:01:14
 Uploaded  14-12-07
 Views  3438
   
 Twin cylinder thermo-acou...

 RunTime  00:02:05
 Uploaded  11-12-07
 Views  3320
   
 Stirling engine example

 

 

Comments | Queries | Clarifications