Report/Guide

Elder, F; Kim, Y G; Pearce, J V; White, D R; Webster, E S (2023) Guide to Secondary Thermometry - Thermocouple Thermometry: 2. Calibration. Other. Bureau International des Poids et Measures.

Pearce, J V; Rusby, R L; Yamazawa, K; Rudtsch, S; Iacomini, L; Lopardo, G; White, D R; Tew, W L (2021) Guide on Secondary Thermometry: Industrial Platinum Resistance Thermometers. Other. Bureau International des Poids et Measures.

Article

Pearce, J V; Rusby, R L; Veltcheva, R I; del Campo, D; Garcia Izquierdo, C; Merlone, A; Coppa, G; Kowal, A; Eusebio, L; Bojkovski, J; Zuzek, V; Sparasci, P; Kalemci, M; Uytun, A; Peruzzi, A (2024) Realizing the redefined kelvin: Extending the life of ITS-90. AIP Conference Proceedings, 3230 (1). 020002

Sparasci, F; Risegari, L; Martin, C; Hermier, Y; Lopardo, G; Steur, P P M; Pearce, J V; Bunger, L; Rudtsch, S; de Bruin-Barendregt, C; Panman, M; Peruzzi, A; Hofstatter-Mohler, C; Turzo-Andras, E; Nedialkov, S; Spasova, S; Petrusova, O; Hernandez, M J M; del Campo Maldonado, D; Garcia Izquierdo, C; Strnad, R; Simic, S; Stepanovic, V; Nielson, J; Kokkini, E; Gaidamoviciute, L; Galkauskas, L; Mikalauskas, K; Kozicki, M; Zvizdic, D; Sestan, D; Mutapcic, N; Stratulat, C; Neagu, M D; Eusebio, L; Olsen, A A F; Bergerud, R A; Opel, K; Kvernmo, G; Hogstom, R; Heinonen, M; Bojkovski, J; Zuzek, V; MacLochlainn, D; Holmsten, M; Senn, R; Dobre, M; Pavlasek, P; Kalemci, M (2024) EURAMET.T-K9 Regional Key Comparison ITS-90 SPRT calibration from the Ar TP to the Zn FP. Metrologia, 61 (1A). 03005

Chowdhury, Y; Pearce, J V (2023) Effect of oxygen on trace impurities in extremely pure metal ingots used for realising ITS-90 fixed point temperatures. Journal of Physics: Conference Series, 2554. 012008

Pearce, J V; Elder, F; Fateev, A; Sutton, G; Andreu, A; Machin, G (2023) Enhancing process efficiency through improved temperature measurement: the EMPRESS projects. Journal of Physics: Conference Series, 2554. 012003

Joung, W; Lee, H; Pearce, J V (2021) Effect of Resistance Bridge Current Frequency on Metal Fixed-Point Temperature Measurements. International Journal of Thermophysics, 42 (8). 112

Peruzzi, A; Rusby, R L; Pearce, J V; Eusebio, L; Bojkovski, J; Žužek, V (2021) Survey of subrange inconsistency of long-stem standard platinum resistance thermometers. Metrologia, 58 (3). 035009 ISSN 0026-1394

Pearce, J V (2021) Some predictions of a validated physical model of Pt–Rh thermocouple drift above 1200 °C. Metrologia, 58 (3). 035011 ISSN 0026-1394

Pearce, J V; Tucker, D; Rawal, R; Hutton, L (2020) Stability assessment of a new high strength, high temperature Type R and Type S thermocouple. Measurement Science and Technology, 31 (4). 044005 ISSN 0957-0233

Pearce, J V (2020) A validated physical model of the thermoelectric drift of Pt-Rh thermocouples above 1200 °C. Metrologia, 57 (2). 025009 ISSN 0026-1394

Pearce, J V; Gray, J; Veltcheva, R; Da Silva, R (2019) Immersion effects in zinc ITS-90 fixed-point cells. Measurement Science and Technology, 30 (12). 124001 ISSN 0957-0233

Rusby, R L; Stemp, H; Pearce, J V; Veltcheva, R I (2019) Type 3 Non-uniqueness in Interpolations Using Standard Platinum Resistance Thermometers Between − 196 °C and 100 °C. International Journal of Thermophysics, 40 (11). 103 ISSN 0195-928X

Joung, W; Pearce, J V; Park, J (2019) Comparison between the liquidus temperatures of tin samples having different impurity compositions and correction of the impurity effect. Metrologia, 56 (4). 045005 ISSN 0026-1394

Pearce, J V; Edler, F; Elliott, C J; Greenen, A; Harris, P M; Izquierdo, C G; Kim, Y-G; Martin, M J; Smith, I M; Tucker, D; Veltcheva, R I (2018) A systematic investigation of the thermoelectric stability of Pt–Rh thermocouples between 1300 °C and 1500 °C. Metrologia, 55 (4). pp. 558-567. ISSN 0026-1394

Joung, W; Pearce, J V; Park, J (2018) Comparison between the liquidus temperature and triple-point temperature of tin realized by heat pulse-based melting. Metrologia, 55 (3). pp. L17-L24. ISSN 0026-1394

Joung, W; Park, J; Pearce, J V (2018) Determination of the liquidus temperature of tin using the heat pulse-based melting and comparison with traditional methods. Metrologia, 55 (3). pp. 334-349.

Machin, J; Tucker, D; Pearce, J V (2018) A comprehensive survey of thermoelectric homogeneity of commonly used thermocouple types. Measurement Science and Technology, 29 (6). 067002

Elliott, C J; Ford, T; Ongrai, O; Pearce, J V (2017) Reliability of high-temperature fixed-point installations over 8 years. International Journal of Thermophysics, 38 (12). 177

Rusby, R L; Pearce, J V; Elliott, C J (2017) Considerations relating to type 1 and type 3 non-uniqueness in SPRT interpolations of the ITS-90. International Journal of Thermophysics, 38 (12). 186

Elliott, C; Greenen, A; Tucker, D; Ford, T; Pearce, J V (2017) A slim-line integrated self-validating thermocouple - initial results. Int. J. Thermophysics, 38 (9). 141

Pearce, J V; Edler, F*; Elliott, C J; Rosso, L*; Sutton, G; Andreu, A*; Machin, G (2017) EMPRESS: a European project to enhance process control through improved temperature measurement. Int. J. Thermophysics, 38 (8). p. 118.

Pearce, J V; Sun, J P*; Zhang, J T*; Deng, X L* (2017) Impurity correction techniques applied to existing doping measurements of impurities in zinc. Int. J. Thermophysics, 38 (1). p. 4.

Pearce, J V; Greenen, A D; Smith, A; Elliott, C J (2017) Relating composition and thermelectric stability of Pt-Rh alloy thermocouples. Int. J. Thermophysics, 38 (2). p. 26.

da Silva, R; Pearce, J V; Machin, G (2017) A systematic evaluation of contemporary impurity correction methods in ITS-90 aluminium fixed point cells. Metrologia, 54 (3). pp. 365-380.

Pearce, J V; Crabb, J; Elliott, C J; Rusby, R L (2016) Analysis of SPRT calibration data obtained at NPL since the introduction of the ITS-90. Int. J. Thermophysics, 37 (12). p. 124.

Pearce, J V; Gray, J; Veltcheva, R I (2016) Characterisation of a selection of AC and DC resistance bridges for standard platinum resistance thermometry. Int. J. Thermophysics, 37 (11). p. 109.

Machin, G; Anhalt, K*; Battuello, M*; Bourson, F*; Dekker, P*; Diril, A*; Edler, F*; Elliott, C J; Girard, F*; Greenen, A; Knazovicka, L*; Lowe, D; Pavlasek, P*; Pearce, J V; Sadli, M*; Strnad, R*; Seifert, M*; Vuelban, E M* (2016) The European project high temperature measurement solutions in industry (HiTeMS) - a summary of achievements. Measurement, 78. pp. 168-179.

Pearce, J V; Gisby, J A; Steur, P P M* (2016) Liquidus slopes of impurities in ITS-90 fixed points from the mercury point to the copper point in the low concentration limit. Metrologia, 53 (4). pp. 1101-1104.

Pearce, J V (2016) Optimising platinum-rhodium thermocouple wire composition to minimise composition change due to evaporation of oxides determining the optical composition as a function of temperature. Johnson Matthey Technol. Rev., 60 (4). pp. 238-242.

Pearce, J V (2016) Survey of key parameters of impurities in aluminium: diffusion coefficients, solubility, and liquidus slopes. Int. J. Thermophysics, 37 (12). p. 123.

Elliott, C J; Greenen, A; Lowe, D; Pearce, J V; Machin, G (2015) High temperature exposure of in-situ thermocouple fixed-point cells: stability with up to three months continuous use. Metrologia, 52 (2). pp. 267-271.

Pavlasek, P*; Elliott, C J; Pearce, J V; Duris, S*; Palencar, R*; Koval, M*; Machin, G (2015) Hysteresis effects and strain-induced homogeneity effects in base metal thermocouples. Int. J. Thermophysics, 36 (2-3). pp. 467-481.

Ongrai, O*; Pearce, J V; Machin, G; Norranim, U* (2015) Multi-mini-eutectic fixed-point cell for type C thermocouples self-calibration. Int. J. Thermophysics, 36 (2-3). pp. 423-432.

Pearce, J V; Elliott, C J; Greenen, A; del Campo, D*; Martin, M J*; Garcia Izquierdo, C*; Pavlasek, P*; Nemecek, P*; Failleau, G*; Deuze, T*; Sadli, M*; Machin, G (2015) A pan-European investigation of the Pt-40%Rh/Pt-20%Rh (Land-Jewell) thermocouple reference function. Meas. Sci. Technol., 26 (1). 015101

Elliott, C J; Large, M J*; Pearce, J V; Machin, G (2014) Compatability of Materials for use at high temperatures with W-Re thermocouples. Int. J. Thermophysics, 35 (6-7). pp. 1202-1214.

Pearce, J V (2014) Distribution coefficients of impurities in metals. Int. J. Thermophysics, 35 (3-4). pp. 628-635.

Elliott, C J; Failleau, G*; Deuze, T*; Sadli, M*; Pearce, J V; Machin, G (2014) Long-term monitoring of thermocouple stability with miniature fixed-point cells. Int. J. Thermophysics, 35 (3). pp. 560-573.

Failleau, G*; Elliott, C J; Deuze, T*; Pearce, J V; Machin, G; Sadli, M* (2014) Miniature fixed-point cell approaches for in-situ monitoring of thermocouple stability. Int. J. Thermophysics, 35 (6-7). pp. 1223-1238.

Pearce, J V; Elliott, C J; Lowe, D H; Failleau, G*; Deuze, T*; Bourson, F*; Sadli, M*; Machin, G (2014) Performance of Pt-C, Cr7C3-Cr3C2, and Ru-C fixed points for thermocouple calibrations above 1600 °C. Int. J. Thermophysics, 35 (3). pp. 547-559.

Large, M J*; Pearce, J V (2014) A phase-field solidification model of almost pure ITS-90 fixed points. Int. J. Thermophysics, 35 (6-7). pp. 1109-1126.

da Silva, R*; Veltcheva, R I; Gray, J; Pearce, J V; Machin, G; Teixeira, R N* (2013) Bilateral comparison of tim fixed point cells between INMETRO and NPL. AIP Conf. Proc., 1552. pp. 777-781.

Machin, G; Anhalt, K*; Edler, F*; Pearce, J V; Sadli, M*; Strnad, R*; Vuelban, E M* (2013) HiTeMs: a project to solve high temperature measurement problems in industry. AIP Conf. Proc., 1552. pp. 958-963.

Pearce, J V; Veltcheva, R I; Large, M J (2013) Impurity and thermal modelling of SPRT fixed-points. AIP Conf. Proc., 1552. pp. 283-288.

Sadli, M*; delCampo, D*; de Podesta, M; Deuze, T*; Failleau, G*; Elliott, C J; Fourrez, S*; Garcia, C*; Pearce, J V (2013) MetroFission: new high-temperature references and sensors for the nuclear industry. AIP Conf. Proc., 1552. pp. 1003-1008.

Elliott, C J; Pearce, J V; Machin, G; Ford, T*; Hicks, K* (2013) Pt/Pd thermocouple resilience over 327 operating hours in an industrial calibration laboratory. AIP Conf. Proc., 1552. pp. 549-553.

Ongrai, O*; Pearce, J V; Machin, G; Sweeney, S J* (2013) Self-calibration of a W/Re thermocouple using a miniature Ru-C (1954degC) eutectic cell. AIP Conf. Proc., 1552. pp. 504-509.

Pearce, J V; Elliott, C J; Machin, G; Ongrai, O (2013) Self-validating type C thermocouples to 2300 °C using high temperature fixed points. AIP Conf. Proc., 1552. pp. 595-600.

Veltcheva, R I; Pearce, J V; da Silva, R*; Machin, G; Rusby, R L (2013) Strategies for minimising the uncertainty of the SPRT self-heating correction. AIP Conf. Proc., 1552. pp. 433-438.

Castro, P*; Machin, G; Pearce, J V (2013) Thermal modelling comparing high temperature fixed point measurements by contact and non-contact thermometry. AIP Conf. Proc., 1552. pp. 358-362.

Pearce, J V; Elliott, C J; Deeks, W*; Underwood, M* (2013) Thermal testing of undersea oil and gas pipeline insulation. AIP Conf. Proc., 1552. pp. 964-969.

Pearce, J V (2013) A coupled heat and mass transfer model of pure metal freezing using comsol multiphysics. AIP Conf. Proc., 1552. pp. 289-294.

Pearce, J V; Rusby, R L; Harris, P M; Wright, L (2013) The optimisation of self-heating corrections in resistance thermometry. Metrologia, 50 (4). pp. 345-353.

Hastings, M W*; Pearce, J V; Machin, G (2012) Electrical resistance breakdown of Type N mineral-insulated metal-sheathed thermocouples above 800 °C. Meas. Tech., 55 (8). pp. 941-948.

Elliott, C; Pearce, J V; Failleau, G*; Deuze, T*; Briaudean, S*; Sadli, M*; Machin, G (2012) Fe-C eutectic fixed-point cells for contact thermometry: an investigation and comparison. Metrologia, 49 (1). pp. 88-94.

Pearce, J V; de Podesta, M; Elliott, C J; Machin, G (2012) Improving temperature sensing in nuclear environments. Meas. Control, 45 (2). pp. 60-62.

Pearce, J V; Veltcheva, R I; Lowe, D H; Malik, Z; Hunt, J D* (2012) Optimisation of SPRT measurements of freezing in a zinc fixed point cell. Metrologia, 49 (3). pp. 359-367.

Pearce, J V; de Podesta, M; Elliott, C; Machin, G (2011) Improving temperature sensing in new reactors. Nucl. Eng. Int., 56 (688). pp. 18-20.

Pearce, J V; Edler, F*; Elliott, C J; Failleau, G*; Morice, R*; Ogura, H* (2011) Investigation of Pd-C cells to improve thermocouple calibration. Metrologia, 48 (5). pp. 375-381.

Pearce, J V; Montag, V; Lowe. D H,; Dong, W* (2011) Melting temperature of high temperature fixed points for thermocouple calibrations. Int. J. Thermophysics, 32 (1-2). pp. 463-470.

Ongrai, O; Pearce, J V; Machin, G; Sweeney, S J* (2011) Miniature Co-C eutectic fixed-point cells for self-validating thermocouples. Meas. Sci. Technol., 22 (1). 015104

Ongrai, O; Pearce, J V; Machin, G; Sweeney, S J (2011) A miniature high-temperature fixed point for self-validating type C thermocouples. Meas. Sci. Technol., 22 (10). 105103

Ongrai, O; Pearce, J V; Machin, G; Sweeney, S J* (2010) Comparative study of Pt/Pd and Pt-Rh/Pt thermocouples. Int. J. Thermophysics, 31 (8-9). pp. 1506-1516.

Pearce, J V; Harris, P M; Greenwood, J C (2010) Evaluating uncertainties in interpolations between calibration data for thermocouples. Int. J. Thermophysics, 31 (8-9). pp. 1517-1526.

Pearce, J V; Ongrai, O; Machin, G; Sweeney, S J* (2010) Self-validating thermocouples based on high temperature fixed points. Metrologia, 47 (1). pp. L1-L3.

Pearce, J V; Ogura, H*; Izuchi, M*; Machin, G (2009) Evaluation of the Pd-C eutectic fixed point and the Pt/Pd thermocouple. Metrologia, 46 (5). pp. 473-479.

Salim, S G R; Woolliams, E R; Dury, M R; Lowe, D H; Pearce, J V; Machin, G; Fox, N P; Sun, T*; Grattan, K T V* (2009) Furnace uniformity effects on Re-C fixed-point melting plateaux. Metrologia, 46 (1). pp. 33-42.

Pearce, J V; Machin, G; Ford, T*; Wardle, S* (2008) Long term drift characterisation of noble metal thermocouples using high temperature fixed points. Acta Metrologica Sinica, 29 (5A). pp. 86-89.

Pearce, J V; Lowe, D H; Head, D I; Machin, G (2008) Optimising contact thermometry high temperature fixed point cells (>1100 ºC) using finite element analysis. Int. J. Thermophysics, 29 (1). pp. 250-260.

Pearce, J V; Machin, G; Ford, T*; Wardle, S* (2008) Optimising heat treatment of gas turbine blades with a Co-C fixed point for improved in-service thermocouples. Int. J. Thermophysics, 29 (1). pp. 222-230.

Pearce, J V; Machin, G (2008) A robust Pd-C fixed-point for calibration of thermocouples. Acta Metrologica Sinica, 29 (5A). pp. 224-228.

Pearce, J V (2007) A simple device for substantially improving metal-carbon eutectic fixed point performance by reducing temperature gradients. Metrologia, 44. pp. L1-L3.

Conference or Workshop Item

Pearce, J V; Tucker, D L; Veltcheva, R I; Machin, G (2022) New paradigms in traceable process control thermometry. In: 2022 UKACC 13th International Conference on Control (CONTROL), 20-22 April 2022, Plymouth, UK.

Pearce, J V; Edler, F; Elliott, C J; Rosso, L; Sutton, G; Andreu, A; Machin, G (2017) EMPRESS: a pan-European project to enhance process efficiency through improved temperature measurement. In: EVI-GTI Conference on Gas Turbine Instrumentation (GTI 2017), 28-30 November 2017, Amsterdam, Netherlands.

Pearce, J V; Greenen, A; Bramley, P*; Cruickshank, D* (2015) Towards a practical Johnson noise thermometer for long-term measurements in harsh environments. In: 4th International Conference on Advancements in Nuclear Instrumentation Measurement Methods and their Applications (ANIMMA), 20-24 April 2015, Lisbon, Portugal.

Sadli, M*; de Podesta, M; del Campo, D*; Deuze, T*; Edwards, G J; Elliott, C J; Failleau, G*; Fourrez, S*; Garcia Izquierdo, C*; Laurie, M*; Mokdad, S A*; Pearce, J V; Sutton, G J M (2013) New temperature references and sensors for the next generation of nuclear power plants. In: 3rd International Conference on Advancements in Nuclear Instrumentation, Measurement Methods and their Applications (ANIMMA)., 23-27 June 2013, Marseille, France..

Failleau, G*; Deuze, T*; Elliott, C J; Pearce, J V; Machin, G; Briaudeau, S*; Sadli, M* (2011) Development of an Fe-C eutectic fixed-point for the calibration and in-situ monitoring of thermocouples. In: 2nd IMEKO TC11 International Symposium Metrological Infrastructure, 15-17 June 2011, Cavtat, Dubrovnik Riviera, Croatia.

Book Chapter/Section

Pearce, J V; Rusby, R L (2018) Challenging calculations in practical, traceable contact thermometry. In: Advanced Mathematical and Computational Tools in Metrology and Testing XI. World Scientific Publishing, pp. 257-264. ISBN 9789813274297