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Experimental pool boiling heat transfer coefficients of ammonia on two dual-enhanced carbon steel tubes.
Number: pap. 1389
Author(s) : PRADO J. I., FERNÁNDEZ-SEARA J., VALLEJO J. P., et al.
Summary
Pool boiling on the external surface of the tubes is a complex process for theoretical analysis, so in many occasions the boiling heat transfer coefficients (HTCs) need to be experimentally determined. Carbon steel tubes are commonly employed in shell-and-tube heat exchangers when ammonia is used as refrigerant, due to their compatibility. This work reports the experimental determination of the ammonia pool boiling HTCs on two dual-enhanced carbon steel tubes of 18.8 mm diameter at saturation temperatures of 10 °C and 0 °C. Experimental facility and data acquisition system are described, experimental procedure is explained, data reduction methodology is detailed, and experimental results are presented and discussed.
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Details
- Original title: Experimental pool boiling heat transfer coefficients of ammonia on two dual-enhanced carbon steel tubes.
- Record ID : 30023711
- Languages: English
- Source: 13th IIR Gustav Lorentzen Conference on Natural Refrigerants (GL2018). Proceedings. Valencia, Spain, June 18-20th 2018.
- Publication date: 2018/06/18
- DOI: http://dx.doi.org/10.18462/iir.gl.2018.1389
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