CIDAR

Combustion species Imaging Diagnostics for Aero-engine Research

About Project

Overview

The CIDAR project is the result of a Consortium formed by Academic Partners (Manchester, Strathclyde and Edinburgh Universities), a Research and Development Organization (INTA) and private companies (DAS Photonics and OptoSci). Therefore, CIDAR builds upon the expertise of the UK’s and Spain’s world-leading groups in fibre-lasers, laser-based gas and particulate detection, opto-electronics, and chemical species tomography (CST).

The CIDAR project aims to establish a world-leading capability in the non-intrusive measurement and 2D imaging of nvPM/soot and CO2 concentrations in aero-engine exhaust. Non-intrusive planar tomographic measurement of CO2 will be based on calibration-free Tunable Diode Laser Absorption Spectroscopy (TDLAS) and soot measurements will be based on laser-induced incandescence (LII).

Validation of both imaging technologies will be carried out at the INTA Turbojet Test Centre using large civil turbofan engines, providing data analysis and measurement uncertainty of the current state of the art measurement systems. The measurement system will then be developed to a maturity level of TRL6 with a clearly identified route to commercialization.

Fact Sheet

Project ID
785539
Coordinated
Spain
Total Cost
EUR 2.231.770
EU Contribution
EUR 2.006.737,75
Call for proposal
H2020-CS2-CFP06-2017-1
Term of completion
2018-03-01 To 2020-08-31

Consortium

The CIDAR consortium brings together a wealth of expertise and resources within the areas of: engine test, photonic modules and subsystems, aircraft grade technologies, laser-based gas and particulate sensing technologies.

The CIDAR consortium represents the whole photonics enabled non-intrusive engine emissions instrumentation value chain, starting from system hardware and software developers, turbojet test facility and extending to the equipment vendor towards the end users. The nature of the Consortium, involving SMEs (DAS, OptoSci) in close cooperation with HE (UEDIN, USTRAT, UNIMAN) and RTO (INTA) Partners very active in technology transfer and industrial cooperation, grants the achievement of results with high commercialisation potential.

Instituto Nacional de Técnica Aeroespacial Esteban Terradas (INTA)
http://www.inta.es
Das Photonics S.L (DAS)
http://www.dasphotonics.com/en
The University of Edinburgh (UEDIN)
https://www.ed.ac.uk/
University of Strathclyde (USTRAT)
https://www.strath.ac.uk/
University of Manchester (UNIMAN)
https://www.eee.manchester.ac.uk/
Optosci Limited (OptoSci)
https://www.optosci.com/

Technology

The objective of CIDAR project is the development and demonstration of TRL6 standardised measurement systems capable of imaging large engine exhaust CO2 and nvPM emissions of future VHBR engines.

The objective of CIDAR project is the development and demonstration of TRL6 standardised measurement systems capable of imaging large engine exhaust CO2 and nvPM emissions of future VHBR engines.

The CIDAR specific objectives are summarized as follows:

  1. Development of fully quantitative CO2 and nvPM/soot imaging measurement systems suitable for aero-engine performance monitoring with for future VHBR engines.
  2. Development of a TDLAS optical source as a commercial product (TRL6) including a DFB laser, temperature current control, and modulation board. Optimisation of architecture with sufficient modulation bandwidth, robust synchronisation, and system control capabilities.
  3. Development of demodulation hubs for CO2 TDLAS measurement as a commercial product (TRL6) including data acquisition and processing, improving the demodulation, communications, power supply, data acquisition and signal processing.
  4. Development of a nvPM/soot imaging measurement system as a commercial product (TRL6) improving the laser source, the scanner dynamics, and providing a calibration strategy, which in turn allows to operate on full scale engines, achieve 1 Hz imaging and provide fully quantitative imaging.
  5. Characterization of a commercially-available TDFA and full validation of its use in the 2f/1f wavelength modulation measurement technique including system control capabilities.
  6. Development of CO2 and nvPM/soot calibration measurement protocols.
  7. Development of CO2 and nvPM/soot concentration measurement algorithms.
  8. Development of CO2 and nvPM/soot tomographic image reconstruction software
  9. Development and definition of CO2 and nvPM/soot protocols for image interpretation
  10. Development of a standalone graphical user interface software for CO2 and nvPM/soot systems, integrating calibration measurement protocols, concentration measurement algorithms, software for control/diagnostics and data acquisition, and image post-processing utilities.
  11. Training of users of the CO2 and nvPM/soot systems
  12. Validation of the CO2 and nvPM/soot imaging measurement system on engine testing including measurement uncertainty.

Non-intrusive planar tomographic measurement of CO2 will be based on calibration-free Fibre-Laser Absorption Spectroscopy and soot measurements will be based on laser-induced incandescence (LII).

Concept of nvPM/soot imaging measurement system: A high-fluence collimated pulsed laser beam is propagated through the exhaust flow. Soot along this path is heated close to its sublimation temperature and incandesces in the visible and SWIR regions, as in standard LII. The laser, scanner and camera systems will be positioned within the test cell but entirely outside of the flow. Other than the cameras, the system components will be located approximately 3.6 m above engine centre-line, on a service gantry. The scanning system will offer sufficient scan angle to cater for flow diameters up to 1.6 m.

 

Concept of CO2 imaging measurement system: The gas concentration and plume temperature measurements are obtained using a calibration-free Tunable Diode Laser Wavelength Modulation technique that is independent of the optical power incident on the detector. A 7m diameter, 10 m tall 12 sided frame has been developed that provides mounting for 126 opto-mechanical launch (Tx) and receive (Rx) units. The 126 Tx and Rx are located on 12 mounting plates, defining six optical projections each containing 21 equally-spaced beams. The 126 channels each provide a measurement of pathintegrated CO2 concentration across the exhaust, allowing tomographic imaging of its distribution. These CO2 distributions can then be used in obtaining Soot Emission Indices.

 

 

Non-intrusive emissions using Optical Ring:

The CO2 imaging measurement system is tested employing a dodecagonal structure in order to characterize the turbofan engine exhaust emissions in a non-invasive way.

 

This section will be completed with project results.

News

Aerosol Technology, AT2018, Bilbao, Spain, June 18-20, 2018, paper MM2-001

Aerosol Technology, AT2018, Bilbao, Spain, June 18-20, 2018, paper MM2-001

V. Archilla, G. Aragón, P. Wright, K. Ozanyan, J. Black, N. Polydorides, H. McCann, M. Lengden, I. Burns, W. Johnstone, V. Polo, M. Beltran, I. Mauchline, D. Walsh and M. Johnson, “CIDAR: Combustion species imaging diagnostics for aero-engine research,” Aerosol Technology, AT2018, Bilbao, Spain, June 18-20, 2018, paper MM2-001

Aerosol Technology, AT2018, Bilbao, Spain, June 18-20, 2018, paper TP-51

Aerosol Technology, AT2018, Bilbao, Spain, June 18-20, 2018, paper TP-51

V. Archilla, G. Aragón, P. Wright, K. Ozanyan, J. Black, M. Lengden, I. Burns, W. Johnstone, V. Polo, M. Beltran and M. Johnson, “CIDAR project, development of a non-intrusive capability for soot measurement in aircraft engine emissions,” Aerosol Technology, AT2018, Bilbao, Spain, June 18-20, 2018, paper TP-51

Iberian Meeting on Aerosol, Science and Technology, RICTA2018, Bilbao, Spain, June 20-22, 2018, paper FP-09

Iberian Meeting on Aerosol, Science and Technology, RICTA2018, Bilbao, Spain, June 20-22, 2018, paper FP-09

V. Archilla, G. Aragón, D. Hormigo, J. Rodríguez-Maroto, M. Pujadas, E. Rojas, D. Sanz, I. Ibarra, M. P. Johnson and P. Wright, “Combining non-intrusive and extractive methodologies for soot determination on aircraft engine emissions”, Iberian Meeting on Aerosol, Science and Technology, RICTA2018, Bilbao, Spain, June 20-22, 2018, paper FP-09

Dissemination

V. Archilla, G. Aragón, P. Wright, K. Ozanyan, J. Black, N. Polydorides, H. McCann, M. Lengden, I. Burns, W. Johnstone, V. Polo, M. Beltran, I. Mauchline, D. Walsh and M. Johnson, “CIDAR: Combustion species imaging diagnostics for aero-engine research,” Aerosol Technology, AT2018, Bilbao, Spain, June 18-20, 2018, paper MM2-001

Link to publication

 

V. Archilla, G. Aragón, P. Wright, K. Ozanyan, J. Black, M. Lengden, I. Burns, W. Johnstone, V. Polo, M. Beltran and M. Johnson, “CIDAR project, development of a non-intrusive capability for soot measurement in aircraft engine emissions,” Aerosol Technology, AT2018, Bilbao, Spain, June 18-20, 2018, paper TP-51

Link to publication

Link to poster

 

V. Archilla, G. Aragón, D. Hormigo, J. Rodríguez-Maroto, M. Pujadas, E. Rojas, D. Sanz, I. Ibarra, M. P. Johnson and P. Wright, “Combining non-intrusive and extractive methodologies for soot determination on aircraft engine emissions”, Iberian Meeting on Aerosol, Science and Technology, RICTA2018, Bilbao, Spain, June 20-22, 2018, paper FP-09

Link to publication

Link to poster

 

N. Polydorides and H. McCann, “Chemical Species Tomography from Spectral Optical Attenuation Data,” in Proceedings of the 9th World Congress on Industrial Process Tomography, Bath, United Kingdom, September 2-6, 2018, p. 25

Link to editor page

 

R. Roy, C. Blount, G. Ramesh, K. Ozanyan, P. Wright, V. Archilla, and I.S. Burns “Alternative soot detection strategies for application in aero-engine test-beds: assessment of the performance and uncertainties of time-integrated LII,” in Proceedings of the 9th European Combustion Meeting, Lisbon, Portugal, April 14-17, 2019, paper S2_AIII_49

Link to abstract

 

I. Burns, “Assessment of the Performance and Uncertainties of in situ LII for Soot Quantification in Aero-Engine Exhausts,” Gordon Research Conference in Laser Diagnostics in Energy and Combustion Science, Les Diablerets, Switzerland, June 22-23, 2019

 

V. Archilla, P. Wright, C. Blount, G. Ramesh, R. Roy, I. Burns, K. Ozanyan, M. Lengden, W. Johnstone, M. Johnson, G. Aragón, D. Hormigo, M. Sanchez-García, “Quantitative, Non-Intrusive Imaging of soot Emission from Aircraft Engines,” European Aerosol Conference (EAC), Gothenburg, Sweden, August 25-30, 2019, P2-111

Link to poster abstract

 

M. Lengden, G. Stewart, W. Johnstone, A. Upadhyay, D. Wilson, N. Polydorides, H. McCann, C. Liu, G. Enemali, A. Tsekenis, P. Wright, J. Kliment, V. Archilla, J. Velasco, J. Sánchez-Valdepeñas, M. Beltran, V. Polo, I. Armstrong, and I. Mauchline, “Recent Progress in the Development of a Chemical Species Tomographic Imaging System to Measure Carbon Dioxide Emissions from Large-Scale Commercial Aero-Engines,” in Optical Sensors and Sensing Congress, OSA Technical Digest (Optical Society of America, 2020), paper JM2F.3.

Link to editor page

I. Burns, C. Blount, G. Ramesh, R. Roy, V. Archilla, K. Ozanyan, P. Wright, “Laser induced incandescence for in situ soot measurement in aero-engine exhausts: approaches to quantitative calibration,” Photon 2020, Online event, September 1-4, 2020

Link to abstract

 

 

C. Blount and G. Ramesh, “Quantitative imaging of non-volatile particulate matter in jet exhaust by laser-induced incandescence,” IOP Workshop on Instrumentation for Combustion and Environmental Sensing (ICES), Manchester, United Kingdom, June 25, 2019

 

P. Wright, “Tomographic laser absorption imaging in gas turbine exhaust,” IOP Workshop on Instrumentation for Combustion and Environmental Sensing (ICES), Manchester, United Kingdom, June 25, 2019

 

M. Lengden, “Photoacoustic spectroscopy for industrial sensing applications,” Workshop on Photonics for Health, Atmosphere, Safety and Education (PHASE), Gandhinagar, India, January 10-14, 2020

P. Wright “Time-integrated LII for nvPM imaging in very high bypass ratio engines,” SAE E31 Committee, Saclay, France, June 18, 2019

 

V. Archilla, CIDAR presentation for the RAPTOR consortium and meeting review with Topic Manager, EASA Meeting, Paris, France, November 2019

 

A. Upadhyay, Recent CO2 tomography data, SAE E31 Winter Meeting, Cardiff, United Kingdom, January 13-17, 2020

 

V. Archilla, CIDAR presentation in SAE meeting and meeting review with Topic Manager, SAE E31 Winter Meeting, Cardiff, United Kingdom, January 13-17, 2020

Y. Bao, R. Zhang, G. Enemali, Z. Cao, B. Zhou, H. McCann, C. Liu, “Relative entropy regularised TDLAS tomography for robust temperature imaging,” Preprint submitted to IEEE Transactions on Instrumentation and Measurement, July 13, 2020

Online available

Contact

Project Coordinator

Dr. Víctor Archilla
Turbojet Engine Test Centre

Instituto Nacional de Técnica Aeroespacial

Ctra. De Ajalvir, km 4

28850 Torrejon de Ardoz (Madrid) Spain

www.inta.es

Technical Manager

Dr. Marta Beltrán
DAS Photonics S.L.

Camino de Vera s/n, Acceso K, Edificio 8F, Planta 3
46022 Valencia, Spain

www.dasphotonics.com

Contact us for more information!