Home > Profiles > Raghavendra (Raghu) Krishna Murthy

Raghavendra (Raghu) Krishna Murthy

Raghavendra (Raghu) Krishna Murthy

Email: rkrishn1@nd.edu

Phone: 574-631-3467

Office: 318 Cushing Hall

Education

Ph.D., Arizona State University, 2013

M.S., Arizona State University, 2008

Biography

Summary of Research Interests:

Atmospheric fluid dynamics, wind energy, wind engineering, remote sensing, aircraft safety, industrial fluid mechanics, urban air pollution, sustainability engineering, smart sensing of complex flows

EXPERIENCE:

Current Positions

Research Scientist, University of Notre-Dame, USA  

Adjunct Research Scientist, Arizona State University, USA 

Previous Positions

Senior Scientific R&D Engineer & Application Expert, LEOSPHERE, Paris, France

Research Scientist, Arizona State University, USA 

Product Engineer, Southwest Renewables, LLC, Arizona, USA 

Faculty Associate, Mechanical Engineering Department, ASU 

Teaching Assistant, Mechanical Engineering Department, ASU

Environmental Consultant, Trinity Consultants, Inc., Texas, USA

Research Assistant, Arizona State University, USA 

Select Research Publications

  1. 2D VAR single Doppler LIDAR vector retrieval and its application in offshore wind energy, *NW Cherukuru, R Calhoun, R Krishnamurthy, B Sarvadal, J Reuder, Energy Procedia, 2017 [In Press].
  2. Offshore Wind Turbine Wake characteristics using Scanning Doppler Lidar, R Krishnamurthy, HJS Fernando, B Sarvadal, J Reuder, J Jakobsen, Energy Procedia, 2017 [In Press].
  3. 3D winds and turbulence characteristics of the atmospheric boundary layer”, R Barthelmie, C Smith, R Krishnamurthy, R Calhoun, S Pryor, H Wang, N Capaldo (2014).  Bulletin of Atmospheric and Meteorological Sciences. 95(5), 743-756.
  4. Wind farm characterization and control using coherent Doppler lidar”, R Krishnamurthy (2013) Doctoral Dissertation, Arizona State University.
  5. “Mesoscale model evaluation with coherent Doppler lidar for wind farm assessment”, R Krishnamurthy, R Calhoun, B Billings, J Doyle (2013), Journal of Renewable and Sustainable Energy. 4(6), 579-588. Cited - 1
  6. “Coherent Doppler lidar for wind Farm Characterization”, R Krishnamurthy, A Choukulkar, R Calhoun, J Fine, A Oliver, K Barr (2012), Wind Energy, 16(2), 189-206.
  7. “Wind Turbulence Estimates in a Valley by Coherent Doppler Lidar”, R Krishnamurthy, R Calhoun, & H Fernando (2011), Meteorological Applications, 18(3), 361-371.
  8. "Large-eddy simulation based retrieval of dissipation rate from Coherent Doppler Lidar”, R Krishnamurthy, R Calhoun, & H Fernando (2010), Boundary-Layer Meteorology, 136(1), 45-57.
  9. Retrieval of the Dissipation of Turbulent Kinetic Energy from Coherent Doppler Lidar Data”, R Krishnamurthy, (2008), MS Diss. Arizona State University.

    Submitted/In preparation:

    • Synchronized Triple Doppler Lidars, R Krishnamurthy, Z Silver, HJS Fernando, 2017 [Submitted].
    • Motion-Stabilized Lidar observations of the Marine Atmospheric Boundary Layer, *A Christman, R Krishnamurthy, HJS Fernando, Q Wang, 2017 [In Preparation].
    • Wind and Turbulence Characteristics of the Marine Atmospheric Boundary Layer, R Krishnamurthy, HJS Fernando, Q Wang, 2017 [In Preparation].
    • PERDIGÃO – Flow over Double Ridges, HJS Fernando, R Krishnamurthy et al., [BAMS – In Preparation]
    • Nocturnal Reversed Flows Above Parallel Ridges, R Krishnamurthy, HJS Fernando [In Preparation]
    • Interrelationship between Optical turbulence (Cn2) and eddy dissipation rate under varying atmospheric conditions, E. Creegen, R. Krishnamurthy, CM Hocut, HJS Fernando [In Preparation]
    • Characterizing atmospheric features using deep learning & spatially separated in-situ and remote sensing devices, R. Krishnamurthy, HJS Fernando [In Preparation]

    Conference Publications [Over 50 conference proceedings]

    1. Numerical Study of Atmospheric Boundary Layer in Coastal Area with Complex Land Topography, 2018: Z. Yang, A. Calderer, S. He, F. Sotiropoulos, R. Krishnamurthy, H. J. Fernando, L. Shen, Ocean Science Meeting, USA
    2. Advancing NWP wind forecasts in complex terrain by lidar technology, 2018: Pichugina, Y, R. Banta, T. Bonin, A. Brewer, A. Choukulkar, McCarty, J. Cline, HJS. Fernando, J. Kenyon, R. Krishnamurthy, M. Marquis, and J. Olson, AMS Conference, USA.
    3. Slope flows in the presence of vegetation during Perdigão, 2017: C. M. Hocut, S. Otarola-Bust, A. Pattantyus, Y. Wang, E. Creegan, C. L. Klipp, R Krishnamurthy, L. S. Leo and H. J. Fernando, AGU Conference, USA.
    4. Boundary layer characterization during Perdigão field campaign 2017, 2017: *J Salvadore, L. Leo, M. Belo-Pereira, R. Krishnamurthy, W. Brown, P. M. Klein, S. Oncley, H.J.S. Fernando, J. Mann, AGU Conference, USA.
    5. Interrelationship of Cn2 & eddy dissipation rate based on Scintillometer and Doppler Lidar observations in complex terrain during the Perdigão campaign, 2017: E. D. Creegan, R Krishnamurthy, C. M. Hocut, A. K. Pattantyus, L. S. Leo, Y. Wang, D. Vassallo, H. J. S. Fernando, AGU Conference, USA.
    6. Nocturnal Reversed Flows Above Parallel Ridges in Perdigão, Portugal, 2017: R Krishnamurthy, H.J.S. Fernando, L. Leo, E. Creegen, C. Hocut, AGU Conference, USA.
    7. Influence of a forest canopy on velocity and temperature profiles under synoptic conditions, 2017: *A. K. Pattantyus, C. M. Hocut, Y. Wang, R. Krishnamurthy, L. Leo, H. J. S. Fernando, AGU Conference, USA.
    8. Offshore Wind Turbine Wake characteristics using Scanning Doppler Lidar, 2017: R Krishnamurthy, B Sarvadal, J Reuder, HJS Fernando, J B Jacobsen, DEEPWIND Conference, Norway.
    9. 2D VAR single Doppler LIDAR vector retrieval and its application in offshore wind energy, 2017: *N Cherukuru, R Calhoun, R Krishnamurthy, B Sarvadal, J Reuder, DEEPWIND Conference, Norway.
    10. Observations of Internal Atmospheric Boundary Layer Development during the CASPER East Campaign, 2017: *A Christman, HJS Fernando, R Krishnamurthy, C Hocut, Q Wang, USRI Radio Science Conference, USA.
    11. Monitoring of Wind Field Evolution Using a Nacelle-Mounted Lidar System, 2016: D. Schlipf, S. Raach, F. Haizmann, P. Fleming, A. Scholbrock, R. Krishnamurthy, M. Boquet, ISARS 2016, Bulgaria.
    12. Field Testing of Flatness-Based Feedforward Control on the CART2, 2016: D Schlipf, P Fleming, S Raach, A Scholbrock, F Haizmann, R Krishnamurthy, M Boquet, EWEA Annual Event, Hamburg.
    13. Automated Assessment of Lidar Uncertainty in Complex Terrain, 2016: R Krishnamurthy, M Boquet, P Mazoyer, EWEA Annual Event, Hamburg.
    14. Real-time Processing for incoming wind anticipation based on Nacelle LiDAR, integrated in control strategies for power optimization and loads mitigation, 2016: F Guillemin, G Sabiron, M Boquet, R Krishnamurthy, TORQUE.
    15. High-frequency Wind Retrieval Algorithms from Nacelle-mounted Lidars for Wind Turbine Control Applications, 2016: R Krishnamurthy, P Mazoyer, M Boquet, D Schlipf, A Scholbrock & P Fleming, ISARS, Bulgaria.
    16. Multiple Offshore Power Curves using Scanning Doppler Lidar, 2016: R Gandoin, B Svardal, V Kumer, J Reuder, R Krishnamurthy, M Boquet, EWEA Tech. Workshop, Bilbao, Spain.
    17. Deployment of a next generation and operational LIDAR solution for monitoring wake vortices for supporting new wake turbulence regulations, 2016: JP Cariou, L Thobois, R Krishnamurthy, C Musson, V Treve, AIAA Conference
    18. An Adaptive Data Processing Technique for Lidar-Assisted Control to Bridge the Gap between Lidar Systems and Wind Turbines, 2015: D Schlipf, P Fleming, S Raach, R Krishnamurthy, A Wright, EWEA Annual Event, Paris.
    19. Field Testing of Lidar Assisted Feedforward Control Algorithms for Improved Speed Control on a 600kW Wind Turbine, 2015: A Kumar, E Bossanyi, A Scholbrock, P Fleming, M Boquet, R Krishnamurthy, EWEA Annual Event, Paris.
    20. Evaluation of wind speed uncertainty estimated with a scanning Doppler LiDAR inside and outside the wake of a turbine, 2015: H Herrmann, S Barbouchi, E Dupont, Y Lefranc, R Krishnamurthy, M Boquet, EWEA Annual Event, Paris.
    21. Evaluation of LiDAR performance for practical turbine control implementation, 2015: S Davoust, D Mashtare, R Krishnamurthy, EWEA Annual Event, Paris.
    22. Performance study of filtering techniques for Lidar turbulence estimation, 2015: F Guillemin, J Chauvin, R Krishnamurthy, M Boquet, EWEA Annual Event, Paris.
    23. Cartography of WINDCUBE v2 performances with FCR: A case study in Europe, 2015: R Krishnamurthy, M Boquet, EWEA Annual Event, Paris.
    24. Comparison of wind turbine wake numerical simulation with scanning lidar measurements, 2015: *A Défossez, E Dupont, R Krishnamurthy, EWEA Annual Event, Paris.
    25. Ongoing applications and algorithm advances of scanning Doppler lidars for wind energy, 2015: R Krishnamurthy, M Boquet, E Osler, AWEA WindPower, Orlando, USA.
    26. Offshore wind turbine power performance measurement using a nacelle mounted lidar and a sector scanning lidar from the transition piece, 2015, R. Wagner, M Courtney, R Krishnamurthy, DEWEK Offshore, Germany.
    27. Certification of Scanning LiDAR – A Practical Example, 2015, A Oldroyd, E Coutts, R Krishnamurthy, M Boquet, D Langohr, D Stein, EWEA Offshore Conference, Copenhagen, DN.
    28. Real World Offshore Power Curve Using Nacelle Mounted and Scanning Doppler Lidar, 2015: R Wagner, M Courtney, R Krishnamurthy, S McKowen, R Cusscous, M Boquet, EWEA Offshore Conference, Copenhagen, DN.
    29. Cost effective offshore wind measurement, 2015: A Oldroyd, E Coutts, R Krishnamurthy, M Boquet, D Langohr, D Stein, EWEA Resource Assessment Workshop, Helsinki, Finland.
    30. Evaluation of wind turbine performance using one hertz data of WINDCUBE with FCR™ and WIND IRIS nacelle mounted LiDARs in complex terrain, 2015: T Burchhart, R Krishnamurthy, EWEA TW, Helsinki, Finland.
    31. Current Applications of Scanning Coherent Doppler Lidar in Wind Energy Industry, 2015: E Osler, R Krishnamurthy, M Boquet, ILRC NY, USA.
    32. Ongoing applications and algorithm advances of scanning Doppler lidars for wind energy, 2015: R Krishnamurthy, M Boquet, E Osler, AMS Conference, Phoenix, USA.
    33. Capabilities and Benefits of Coherent Doppler LIDARs for Future Weather Observing Networks, 2015: L Thobois, R Krishnamurthy, J.P. Cariou, R Parmentier, P Drewniak, AMS Conference, New Orleans, USA.
    34. Coherent Pulsed Doppler LIDAR metrological performances and applications for Wind Engineering, 2015: L Thobois, R Krishnamurthy, M Boquet, JP Cariou, A Santiago, ICWE14, Porto-Alegre, Brazil
    35. Wind and EDR Measurements with Scanning Doppler LIDARs for Preparing Future Weather Dependent Separation Concepts, 2015: L Thobois, R Krishnamurthy, A Dolfi, JP Cariou, M Boquet, AIAA Conference.
    36. A new ultra-fast scanning Doppler wind lidar and results from the trials during the UFO project, 2015: JP Cariou, L Thobois, S Loaec, G Gorju, R Krishnamurthy, A Dolfi-Bouteyre, W Renard, AMS Conference, Phoenix USA.
    37. WINDCUBE FCR and Nacelle Mounted Lidar’s for power curve assessment in complex terrain, 2014: R Krishnamurthy, AWEA WRA, Orlando, FL. [Invited]
    38. Using Scanning lidar for reducing spatial modeling uncertainty, 2014: C Sieg, E Hale, A Fleming, R Krishnamurthy, AWEA WRA, Orlando, FL.
    39. Case study of Lidar in cold climate and complex terrain in Canada, 2014: C Albrez, M Boquet, R Krishnamurthy, WinterWind Conference, UK.
    40. Offshore Wind farm characterization using long-range scanning Doppler Lidar, 2014: R Krishnamurthy, M Boquet, E Osler.  AWEA Offshore Conference, USA.
    41. Optimized lidar scanning patterns for reduced project uncertainty, 2014: M Courtney, R Wagner, R Krishnamurthy, M Boquet, EWEA Conference, Barcelona.
    42. Case studies of WINDCUBE measurement uncertainty for complex terrain using Flow Complexity Recognition (FCR ®), 2014: R Krishnamurthy, M Boquet, EWEA Conference, Barcelona.
    43. Turbulence intensity measurements from a variety of Doppler lidar instruments, 2014: R Krishnamurthy, M Boquet, EWEA Conference, Barcelona.
    44. Recent developments of Windcube Doppler lidars for airport wind hazards monitoring, 2014: L Thobois, S Loaec, M Boquet, R Krishnamurthy, JP Cariou, L Simoneau, N Salles, WAKENET Europe, France.
    45. Use of Doppler and aerosol scanning lidars for validating high-resolution predictive model of air pollution in Paris, 2014: L Sophie, L Thobois, R Krishnamurthy, AMS Conference, Atlanta, USA.
    46. Weather monitoring around airports with scanning coherent Doppler lidar, 2014: L Thobois, P, Mazoyer, R Krishnamurthy.  AMS Conference, Atlanta, USA.
    47. Advanced ground-based wind observations based on scanning lidars for improving the overall efficiency of the wind energy sector, 2014: L Thobois, M Boquet, R Krishnamurthy. AMS Conference, Atlanta, USA.
    48. The Economic benefit of remote sensing devices for wind energy industry, 2014: M Boquet, JM Thevenoud, R Krishnamurthy.  ISARS, Auckland, New Zealand.
    49. Assessment of wind retrieval accuracy from scanning Coherent Doppler lidar, 2014: R Krishnamurthy, M Boquet, R Wagner, M Courtney, M Machta. ISARS, Auckland, New Zealand.
    50. Comparing WindTracer Long Range Scanning Lidar data to In-situ Anemometry and Vertical Lidars, 2013: K Barr, D McReavy, J Sharp, D Wolfe, R Krishnamurthy, R Calhoun, AWEA WindPower, Chicago, USA.
    51. An integrated approach to offshore wind energy assessment: Great Lakes 3D Wind Experiment. Part I. Calibration and testing, 2012: R Barthelmie, S Pryor, C Smith, P Crippa, H Wang, R. Krishnamurthy, R Calhoun, Valyou, Marzocca, Matthiesen & N Capaldo, AWEA Offshore Windpower Conf., Virginia Beach, VA, USA.
    52. Multiple Three-Dimensional Scanning Doppler Lidars and Wind Resource Assessment, 2012: R Krishnamurthy, A Choukulkar, R Calhoun, G Poulos, J Doyle & K Barr, AWEA Wind Resource Assessment Conf., Pittsburgh, PA.
    53. Wind Farm Assessment using Coherent Doppler lidar, R Calhoun, R Krishnamurthy, A Choukulkar & K Barr (2012), ISARS Conf., CO, USA. [Invited].
    54. Evaluation of Mesoscale model with Coherent Doppler lidar for Wind Farm assessment, R Krishnamurthy, R Calhoun, B Billings, J Doyle (2012). Texas Tech Univ. Symp., Texas, USA.
    55. Measurements of turbulence parameters and dissipation over a complex terrain, R. Krishnamurthy, R Calhoun, H J S Fernando, Poulos (2007), 12th Meso scale Conf., USA.
    56. Modern Methods of Fuel Injections”, R. Krishnamurthy, K Hemanth (2005), Presented at Muffakhamza college of Engineering, India.
    57. Modern Composite Materials and their Engineering ApplicationsR. Krishnamurthy, S Guntur (2004), VNR Tech., Symposium, India

    News

    World’s largest wind-mapping project spins up in Portugal

    July 11, 2017

    About Perdigao -- https://www.eol.ucar.edu/field_projects/perdig%C3%A3o Notre-Dame Team Led Science Project -- https://ceees.nd.edu/news/nd-researchers-bracing-for-the-mammoth-perdigao-wind-energy-project

    ND researchers bracing for the mammoth Perdigão wind energy project

    July 11, 2017

    Fernando, Krishnamurthy, Leo, Notre Dame, Wind Energy, Perdigao https://ceees.nd.edu/news/nd-researchers-bracing-for-the-mammoth-perdigao-wind-energy-project