Profesor Czesław Oleśkowicz-Popiel - Jubileusz 70-cio lecia
[17] J. WOJTKOWIAK, C O. POPIEL, Effect of Cooling on Pressure Losses in U-Type Wavy Pipę Flow, International Communication in Heat and Mass Transfer, Vol. 27, No 2, 169-177, June 2000.
[18] C O. POPIEL, and J. WOJTKOWIAK, Friction Factor in U-Type Undulated Pipę Flow, Trans. ASME: Journal of Fluids Engineering , Vol. 122 , No. 2, 260-263, 2000
[19] C O. POPIEL, J. WOJTKOWIAK, BIERNACKA B„ Measurements of temperaturę distribution in ground. Thermal and Fluid Science, Int. Journal of Experimental Heat Transfer, Thermodynamics, and Fluid Mechanics, Vol. 25, 301-309,2001
[20] C.O. POPIEL, J. WOJTKOWIAK, Experiments on free convective heat transfer from side walls of a vertical square cylinder in air. Thermal and Fluid Science, Int. Journal of Experimental Heat Transfer, Thermodynamics, and Fluid Mechanics, Vol. 29, 1-8, 2004
[21] J. WOJTKOWIAK, C.O. POPIEL, Inherently Linear Annular-Duct-Type Laminar Flowmeter. Trans. ASME: Journal of Fluids Engineering , Vol. 128, 196-198, January 2006
[22] C.O. POPIEL, OJEA R.B., and J. WOJTKOWIAK, Efficiency of the Horizontal Single Pin Fin Subjected to Free Convection and Radiation Heat Transfer, Heat Transfer Engineering - An International Journal, USA, Vol.
28, No 4, 299-309, 2007
[23] C.O. POPIEL, J. WOJTKOWIAK, K. BOBER, Laminar free-convection heat transfer from slender cylinder, Thermal and Fluid Science, Int. Journal of Experimental Heat Transfer, Thermodynamics, and Fluid Mechanics, Vol. 32, 607-613, 2007
[24] C.O. POPIEL, Free convection heat transfer from vertical slender cylinders. A review. Heat Transfer Engineering - An International Journal, USA, Vol.
29, No 6, 521-536 (June), 2008
[25] C.O. POPIEL, The approximate solution of the laminar boundary layer on the surface of axisymmetric bodies rotating in fluid at rest. Archiwum Budowy Maszyn, PAN, Vol. XXVI/1, 93-125, Warszawa, 1974 (In Polish).
[26] L. BOGUSŁAWSKI, C.O. POPIEL, Compensation of air temperaturę shift for CTA-thermoanemometer measurements of velocity. Archives of Thermodynamics, Vol. 6/1-2, 57-70, Warszawa, 1985 (In Polish).
[27] J. WOJTKOWIAK, C.O. POPIEL, Współczynnik oporu przepływu dla rury helikoidalnej (Friction coefficient for a helical pipę). In Polish, extended English abstract. "Inżynieria Chemiczna"PAN, nr 2/95, 273-281, 1995.
[28] C.O. POPIEL, L. BOGUSŁAWSKI, Obliczanie izolacji cieplnej cystern. Gospodarka Paliwami i Energia, Yol. XXV/2, 21-22, Warszawa, 1977.
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