Detail publikačního výsledku

Correlation of Heat Transfer Coefficient at Sprinkled Tube Bundle

KRACÍK, P.; ŠNAJDÁREK, L.; LISÝ, M.; BALÁŠ, M.; POSPÍŠIL, J.

Originální název

Correlation of Heat Transfer Coefficient at Sprinkled Tube Bundle

Anglický název

Correlation of Heat Transfer Coefficient at Sprinkled Tube Bundle

Druh

Článek WoS

Originální abstrakt

The paper presents a research on the heat-transfer coefficient at the surface of a sprinkled tube bundle, using a boiling simulation. A tube bundle consists of thirteen copper tubes divided into two rows and it is located in a low-pressure chamber where vacuum is generated by an exhauster via an ejector. The liquid tested was water at the absolute pressure in the chamber of 96.8–12.3 kPa and at a thermal gradient of 55–30 °C between the cooled liquid flowing upwards inside the exchanger and the heated falling film liquid. The flow of the falling film liquid ranged from 0–17 L/min. Two types of tubes were tested, a smooth one and a sandblasted one. The correlation of the average heat-transfer coefficient at the surfaces of both tube types was identified.

Anglický abstrakt

The paper presents a research on the heat-transfer coefficient at the surface of a sprinkled tube bundle, using a boiling simulation. A tube bundle consists of thirteen copper tubes divided into two rows and it is located in a low-pressure chamber where vacuum is generated by an exhauster via an ejector. The liquid tested was water at the absolute pressure in the chamber of 96.8–12.3 kPa and at a thermal gradient of 55–30 °C between the cooled liquid flowing upwards inside the exchanger and the heated falling film liquid. The flow of the falling film liquid ranged from 0–17 L/min. Two types of tubes were tested, a smooth one and a sandblasted one. The correlation of the average heat-transfer coefficient at the surfaces of both tube types was identified.

Klíčová slova

sprinkled, water, under pressure, heat transfer

Klíčová slova v angličtině

sprinkled, water, under pressure, heat transfer

Autoři

KRACÍK, P.; ŠNAJDÁREK, L.; LISÝ, M.; BALÁŠ, M.; POSPÍŠIL, J.

Rok RIV

2017

Vydáno

12.08.2016

Nakladatel

Inštitut za kovinske materiale in technologije Ljubljana

Místo

Ljubljana

ISSN

1580-2949

Periodikum

Materiali in Tehnologije

Svazek

50

Číslo

4

Stát

Slovinská republika

Strany od

479

Strany do

483

Strany počet

5

BibTex

@article{BUT119542,
  author="Petr {Kracík} and Ladislav {Šnajdárek} and Martin {Lisý} and Marek {Baláš} and Jiří {Pospíšil}",
  title="Correlation of Heat Transfer Coefficient at Sprinkled Tube Bundle",
  journal="Materiali in Tehnologije",
  year="2016",
  volume="50",
  number="4",
  pages="479--483",
  doi="10.17222/mit.2014.115",
  issn="1580-2949"
}