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  • Heat transfer, void fraction and pressure drop during condensation inside inclined smooth and microfin tubes 
    Adelaja, Adekunle O.; Ewim, Daniel Raphael Ejike; Dirker, Jaco; Meyer, Josua P. (Elsevier, 2019-12)
    This paper presents experimental heat transfer and pressure drop measurements during the condensation of R134a at a mean saturation temperature of 40 °C inside a microfinned copper tube with an inner diameter of 8.92 mm ...
  • Heat transfer-friction factor and correlations for wavy porous screens as inserts in channel thermal performance 
    Torr, Andrew Michael; Mahmood, Gazi I.; Cramer, Louis (American Society of Mechanical Engineers, 2020-10)
    Please read abstract in the article.
  • Heat transport through the active layer of the moving bed in rotary drums 
    Nafsun, A.I.; Herz, F.; Specht, E.; Komossa, H.; Wirtz, S.; Scherer, V. (HEFAT, 2016)
    The heat transfer at the freeboard surface of the solid bed was experimentally investigated in a batch rotary drum with a diameter of 0.6 m and a length of 0.45 m. The change of temperature at the surface and inside the ...
  • Heat treatment of glassy carbon implanted with cesium at room and high temperatures 
    Langa, Dolly Frans; Van der Berg, Nic (Nicolaas George); Friedland, Erich Karl Helmuth; Malherbe, Johan B.; Botha, A.J.; Chakraborty, P.; Wendler, E.; Wesch, W. (Elsevier, 2012-02-15)
    The effect of annealing temperature on the surface morphology and on the diffusion of cesium ions implanted into glassy carbon (Sigradur® G) is reported. The samples were implanted with 360 keV cesium ions to a fluence of ...
  • Heat treatment of long products 
    Horsky, J.; Raudensky, M.; Chabicovsky, M.; Simecek, P. (International Conference on Heat Transfer, Fluid Mechanics and Thermodynamics, 2015)
    Papers presented to the 11th International Conference on Heat Transfer, Fluid Mechanics and Thermodynamics, South Africa, 20-23 July 2015.
  • Heat treatment response and characterization of Ti6Al4V + xMo produced by laser metal deposition 
    Arthur, N.K.K.; Siyasiya, Charles Witness; Pityana, S.; Tlotleng, M. (Elsevier, 2022)
    During the laser metal deposition additive manufacturing processing of Ti6Al4V ELI alloy, the parts produced were exposed to high levels of thermal gradients, which resulted from rapid heating and cooling rates in the ...
  • Heat-constrained modelling of calcium sulphate reduction 
    Jordan, Luke; Van Vuuren, David (Southern African Institute of Mining and Metallurgy, 2022-10)
    A two-dimensional finite difference model has been developed to describe the reduction of kilogram quantities of dehydrated phosphogypsum. The model’s scope has been limited to focus on the heat transfer and reactions ...
  • Heater surface coating effect on fluidized bed heat transfer coefficient 
    Patil, A.P.; Bosco, Gonmei; Keishing, Joel; Narry, Bankerlang; Kharraswai, Jopphar (International Conference on Heat Transfer, Fluid Mechanics and Thermodynamics, 2007)
    Paper presented at the 5th International Conference on Heat Transfer, Fluid Mechanics and Thermodynamics, South Africa, 1-4 July, 2007.
  • Heating load and cop optimization of an irreversible quantum brayton heat pump working with spin-1/2 systems 
    Liu, Xiaowei; Chen, Lingen; Meng, Fankai; Ding, Zemin (HEFAT, 2017)
    By considering quantum friction, heat resistance and heat leakage, this paper establishes a quantum Brayton heat pump model. The working substance is a two-level spin-1/2 system, and the cycle has four branches: two ...
  • Heating system evaluation of an ancient turkish bath : the bath of suleymaniye hospital 
    Disli, G.; Celik, N. (HEFAT, 2016)
    This research aims at evaluating the original heating system of the 16th century historic bath (hamam) section of Suleymaniye Hospital (Darüşşifa), a part of Süleymaniye Mosque Complex in Istanbul, in terms of its original ...
  • Heating system in the ancient world: the example of the Southwestern balneum in Diocletian’s palace in Split 
    Turkovic, T.; Bogdan, Z.; Jurkovic, M. (International Conference on Heat Transfer, Fluid Mechanics and Thermodynamics, 2011)
    Paper presented at the 8th International Conference on Heat Transfer, Fluid Mechanics and Thermodynamics, Mauritius, 11-13 July, 2011.
  • Heating with a heat pump 
    Marčič, M. (International Conference on Heat Transfer, Fluid Mechanics and Thermodynamics, 2007)
    Paper presented at the 5th International Conference on Heat Transfer, Fluid Mechanics and Thermodynamics, South Africa, 1-4 July, 2007.
  • Heatwave variability and structure in South Africa during summer drought 
    Mbokodo, Innocent L.; Bopape, Mary-Jane M.; Ndarana, Thando; Mbatha, Sifiso M.S.; Muofhe, Tshimbiluni P.; Singo, Mukovhe V.; Xulu, Nkosinathi G.; Mohomi, Tumelo; Ayisi, Kingsley K.; Chikoore, Hector (MDPI, 2023-02-05)
    Pronounced subsidence leading to summer drought over southern Africa causes warmer than average surface air temperatures or even heatwave (HW) conditions. We investigated the occurrence of HWs during the summer drought ...
  • Heaviside's dolphins (Cephalorhynchus heavisidii) relax acoustic crypsis to increase communication range 
    Martin, Morgan Jennifer; Gridley, Tess; Elwen, Simon Harvey; Jensen, Frants H. (The Royal Society, 2018-07)
    The costs of predation may exert significant pressure on the mode of communication used by an animal, and many species balance the benefits of communication (e.g. mate attraction) against the potential risk of predation. ...
  • Heavy daily-rainfall characteristics over the Gauteng Province 
    Dyson, Liesl L. (Water Research Council, 2009-10)
    Daily rainfall over the Gauteng Province, South Africa, was analysed for the summer months of October to March using 32-yr (1977 to 2009) daily rainfall data from about 70 South African Weather Service stations. The monthly ...
  • Heavy Machinery Laboratory (Artlantis 3D model) 
    Olivier, D.; Läuferts, Monika (Department of Architecture, University of Pretoria, 2008)
    This building is similar to the adjacent Engineering I Building and is also built in the Brazilian style. Completed in 1958, the building was extended in 1982 to include working space for the Department of Mechanical ...
  • Heavy Machinery Laboratory (photos) 
    Olivier, D.; Läuferts, Monika (Department of Architecture, University of Pretoria, 2008-05-20)
    This building is similar to the adjacent Engineering I Building and is also built in the Brazilian style. Completed in 1958, the building was extended in 1982 to include working space for the Department of Mechanical ...
  • Heavy Machinery Laboratory (SketchUp 3D model) 
    Olivier, D.; Läuferts, Monika (Department of Architecture, University of Pretoria, 2008-04-25)
    This building is similar to the adjacent Engineering I Building and is also built in the Brazilian style. Completed in 1958, the building was extended in 1982 to include working space for the Department of Mechanical ...
  • Heavy Machinery Laboratory (virtual model 1) 
    Olivier, D.; Läuferts, Monika (Department of Architecture, University of Pretoria, 2008)
    This building is similar to the adjacent Engineering I Building and is also built in the Brazilian style. Completed in 1958, the building was extended in 1982 to include working space for the Department of Mechanical ...
  • Heavy Machinery Laboratory (virtual model 2 
    Olivier, D.; Läuferts, Monika (Department of Architecture, University of Pretoria, 2008)
    This building is similar to the adjacent Engineering I Building and is also built in the Brazilian style. Completed in 1958, the building was extended in 1982 to include working space for the Department of Mechanical ...