A three-dimensional inverse problem in estimating the applied heat flux of a titanium drilling - Theoretical and experimental studies

Cheng-Hung Huang, Li Chun Jan, Rui Li, Albert J. Shih

Research output: Contribution to journalArticle

37 Citations (Scopus)

Abstract

The applied heat flux on the drilling surface of drilling tool is estimated in the present three-dimensional inverse heat conduction problem. The inverse algorithm utilizing the Steepest Descent Method (SDM) and a general purpose commercial code CFX4.4 is applied successfully in this study based on the simulated and measured temperature distributions with time at four sensors embedded on the drilling surfaces. The numerical experiments are considered at the first stage to illustrate the validity of inverse determination of the unknown heat flux using exact and error measurements. Experimental data are then used to estimate the actual heat flux along the drilling edge at two different drill peripheral cutting speeds. Results of both the numerical and experimental examinations show that the reliable estimated heat flux can be obtained by using the present inverse algorithm.

Original languageEnglish
Pages (from-to)3265-3277
Number of pages13
JournalInternational Journal of Heat and Mass Transfer
Volume50
Issue number17-18
DOIs
Publication statusPublished - 2007 Aug 1

Fingerprint

Titanium
drilling
Inverse problems
Heat flux
heat flux
Drilling
estimating
titanium
steepest descent method
Steepest descent method
Measurement errors
Heat conduction
conductive heat transfer
Temperature distribution
temperature distribution
examination
sensors
Sensors
estimates
Experiments

All Science Journal Classification (ASJC) codes

  • Fluid Flow and Transfer Processes
  • Energy(all)
  • Mechanical Engineering

Cite this

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abstract = "The applied heat flux on the drilling surface of drilling tool is estimated in the present three-dimensional inverse heat conduction problem. The inverse algorithm utilizing the Steepest Descent Method (SDM) and a general purpose commercial code CFX4.4 is applied successfully in this study based on the simulated and measured temperature distributions with time at four sensors embedded on the drilling surfaces. The numerical experiments are considered at the first stage to illustrate the validity of inverse determination of the unknown heat flux using exact and error measurements. Experimental data are then used to estimate the actual heat flux along the drilling edge at two different drill peripheral cutting speeds. Results of both the numerical and experimental examinations show that the reliable estimated heat flux can be obtained by using the present inverse algorithm.",
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A three-dimensional inverse problem in estimating the applied heat flux of a titanium drilling - Theoretical and experimental studies. / Huang, Cheng-Hung; Jan, Li Chun; Li, Rui; Shih, Albert J.

In: International Journal of Heat and Mass Transfer, Vol. 50, No. 17-18, 01.08.2007, p. 3265-3277.

Research output: Contribution to journalArticle

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