A Novel Transient Liquid Crystal Technique to Determine Heat Transfer Coefficient Distributions and Adiabatic Wall Temperature in a Three-Temperature Problem

[+] Author and Article Information
Andrew C. Chambers, David R. H. Gillespie, Peter T. Ireland

Department of Engineering Science, University of Oxford, Oxford, OX1 3PJ, UK

Geoffrey M. Dailey

Rolls-Royce CAEL, Derby, UK

J. Turbomach 125(3), 538-546 (Aug 27, 2003) (9 pages) doi:10.1115/1.1575252 History: Received February 18, 2002; Online August 27, 2003
Copyright © 2003 by ASME
Your Session has timed out. Please sign back in to continue.


Ireland,  P. T., Neely,  A. J., Gillespie,  D. R. H., and Robertson,  A. J., 1999, “Turbulent Heat Transfer Measurements Using Liquid Crystals,” Int. J. Heat Fluid Flow, 20, pp. 355–367.
Gillespie, D. R. H., 1996, “Intricate Internal Cooling Systems for Gas Turbine Blading,” D. Phil thesis, Oxford University Department of Engineering Science.
den Ouden, C., and Hoogendoorn, C. J., 1974, “Local Convective Heat Transfer Coefficients for Jets Impinging on a Plate: Experiments Using a Liquid Crystal Technique,” Proc. 5th Heat Transfer Conference, Vol. 5, New York, pp. 293–295.
Lucas, M. G., Ireland, P. T., Wang, Z., and Jones, T. V., 1993, “Fundamental Studies of Impingement Cooling Thermal Boundary Conditions,” AGARD CP-527, Paper No. 14.
Sargison, J., E., Guo, S. M., Oldfield, M., L., G., Lock, G., D., and Rawlinson, A., J., 2001, “A Converging Slot-Hole Film-Cooling Geometry Part 1: Low-Speed Flat-Plate Heat Transfer and Loss,” ASME Paper 2001-GT-0126.
Ireland, P. T., and Jones, T. V., 1986, “Detailed Measurements of Heat Transfer on and Around a Pedestal in Fully-Developed Channel Flow,” Proc., 8th Int. Heat Trans. Conf., San Francisco, pp. 975–986.
Chyu, M. K., Ding, H., Downs, J. P., van Sutendael, A., and Soechting, F. S., 1997, “Determination of Local Heat Transfer Coefficient Based on Bulk Mean Temperature Using a Transient Liquid Crystals Technique,” ASME Paper 97-GT-489.
Wang,  Z., Ireland,  P. T., and Jones,  T. V., 1995, “An Advanced Method of Processing Liquid-Crystal Video Signals from Transient Heat Transfer Experiments,” ASME J. Turbomach., 117(1), pp. 184–189.
Gillespie, D. R. H., Ireland, P. T., and Dailey, G. M., 2000, “Detailed Flow and Heat Transfer Coefficient Measurements in a Model of an Internal Cooling Geometry Employing Orthogonal Intersecting Channels,” ASME 2000-GT-653.
Farina, D. J., and Moffat, R. J., 1994, “A System for Making Temperature Measurements Using Thermochromic Liquid Crystals,” Stanford University, Department of Engineering, Report No. HMT-48.
Guo, S. M., Lai, C. C., Jones, T. V., Oldfield, M. L. G., Lock, G. D., and Rawlinson, A. J., 2000, “Influence of Surface Roughness on Heat Transfer and Effectiveness for a Fully Film Cooled Nozzle Guide Vane Measured by Wide Band Liquid Crystals and Direct Heat Flux Gauges,” ASME Paper 2000-GT-0204.
Baughn,  J. W., Mayhew,  J. E., Anderson,  M. R., and Butler,  R. J., 1998, “A Periodic Transient Method Using Liquid Crystals for the Measurement of Local Heat Transfer Coefficients,” ASME J. Heat Transfer, 120, pp. 772–775.
Turnbull, and Oosthuizen (1999), “Theoretical Evaluation of New Phase Delay Methods for Measuring Local Heat Transfer Coefficients,” Trans Canadian Society Mechanical Engineering, Vol. 23, Issues 3–4, pp. 361–376.
Butler,  R. J., and Baughn,  J. W., 1996, “The Effect of the Thermal Boundary Condition on Transient Method Heat Transfer Measurements on a Flat Plate With a Laminar Boundary Layer,” ASME J. Heat Transfer, 118, pp. 831–837.
Tsang, C. L., Ireland, P. T., and Dailey, G. M., 2001, “Reduced Instrumentation Heat Transfer Testing of Model Turbine Blade Cooling Systems,” Paper 16, RTA/AVT Symposium on Advanced Flow Management, Norway, May 7–11.
von Wolfersdorf, J., Hoecker, R., and Hirsch, C., 1997, “Data Reduction Procedure for Transient Heat Transfer Measurements in Long Internal Cooling Channels,” 2nd Int. Symp. Turbulence, Heat and Mass Transfer.
Van Treuren,  K. W., Wang,  Z., Ireland,  P. T., and Jones,  T. V., 1994, “Detailed Measurements of Local Heat Transfer Coefficient and Adiabatic Wall Temperature Beneath an Array of Impinging Jets,” ASME J. Turbomach., 116, pp. 369–374.
Son,  C., Gillespie,  D., Ireland,  P., and Dailey,  G. M., 2001, “Heat Transfer and Flow Characteristics of an Engine Representative Impingement Cooling System,” ASME J. Turbomach., 123, pp. 154–160.
Cho, H. H., Lee, C. H., and Kim, Y. S., 1998, “Characteristics of Heat Transfer in Impinging Jets by Control of Vortex Pairing,” ASME 98-GT-276.
Florschuetz,  L. W., and Su,  C. C., 1987, “Effects of Cross Flow Temperature on Heat Transfer Within an Array of Impinging Jets,” ASME J. Heat Transfer, 109, pp. 74–82.
Goldstein,  R. J., Sobolik,  K. A., and Seoal,  W. S., 1990, “Effect of Entrainment on the Heat Transfer to a Heated Circular Air Jet Impinging on a Flat Surface,” ASME J. Heat Transfer, 112, pp. 608–611.
Ireland, P. T., and Jones, T. V., 1987, “Note on the Double Crystal Method of Measuring Heat Transfer Coefficient,” OUEL Report 1710/87.
Ling, J., and Ireland, P. T., “Film Cooling Research For DLE Combustor Discharge Nozzles,” OUEL Report 2244/01 (restricted).
Camci, C., Kim, K., and Hippensteele, S. A., 1991, “A New Hue Capturing Technique for the Quantitative Interpretation of Liquid Crystal Images Used in Convective Heat Transfer,” ASME Paper 91-GT-122.
Van Treuren, K. V., 1994, “Impingement Flow Heat Transfer Measurement of Turbine Blades Using a Jet Array,” D. Phil thesis, University of Oxford.
Vedula, R. J., and Metzger, D. E., 1991, “A Method for Simultaneous Determination of Local Effectiveness and Heat Transfer Distribution of Local Effectiveness and Heat Transfer Distributions in Three-Temperature Convection Situations,” ASME 91-GT-345.
Carslaw, H. S., and Jaeger, J. C., 1953, Conduction of Heat in Solids, OUP.
Florschuetz, L. W., Metzger, D. E., and Truman, C. R., 1981, “Jet Array Impingement with Crossflow Correlation of Streamwise Resolved Flow and Heat Transfer Distributions,” NASA Contractor Report 3373.
Moffat,  R. J., 1982, “Contributions to the Theory of Single Sample Uncertainty Analysis,” ASME J. Fluids Eng., 104, p. 250.


Grahic Jump Location
Typical cross section of a turbine blade cooled by impingement channel
Grahic Jump Location
Impingement channel geometry
Grahic Jump Location
Snapshot of a type A effectiveness test with only the impinging flow heated. Note the areas of no liquid crystal color play where cross flow is predominate.
Grahic Jump Location
Schematic of electrical system
Grahic Jump Location
Variation of liquid crystal transition times for the case of 1) fixed heat transfer coefficient with varying driving gas temperature, and 2) fixed driving gas temperature with varying heat transfer coefficient, respectively
Grahic Jump Location
Normalized heat transfer coefficient and effectiveness on the impingement target surface, Rejet avg=20,000 and 5% initial cross flow
Grahic Jump Location
Normalized heat transfer coefficient and effectiveness on the integrally cast impingement holed surface, Rejet avg=20,000 and 5% initial cross flow
Grahic Jump Location
Mask showing combination of tests used to calculate the heat transfer coefficient and effectiveness in different regions of the model



Some tools below are only available to our subscribers or users with an online account.

Related Content

Customize your page view by dragging and repositioning the boxes below.

Related Journal Articles
Related eBook Content
Topic Collections

Sorry! You do not have access to this content. For assistance or to subscribe, please contact us:

  • TELEPHONE: 1-800-843-2763 (Toll-free in the USA)
  • EMAIL: asmedigitalcollection@asme.org
Sign In