An experimental and numerical campaign was carried out to investigate the performances of tubes in shell heat exchanger applied to cool down the producer gas of a small-scale commercial wood biomass gasifier built by All Power Labs. Producer gas is contaminated with soot and tars that condensate under 300 °C, for this reason the heat exchanger was designed in order to have an in-situ cleaning mechanism. The heat exchanger was tested both with standard plain tubes and with a set of metal twisted tapes (TT) with the aim of enhancing the heat transfer between producer gas and water. Temperatures and mass flows analyses shown a maximum increase of thermal power output and overall heat transfer coefficient respectively of 19% and 76% when TT are applied to the standard plain tubes in shell heat exchanger. Numerical simulations shown a consistency in the trends giving an average discrepancy with experimental results of the 12%.

Experimental and modelling evaluation of possible solutions for compact design of producer-gas heat exchangers / Morselli, N.; Puglia, M.; Mason, J.; Parenti, M.; Ottani, F.; Tartarini, P.. - In: JOURNAL OF PHYSICS. CONFERENCE SERIES. - ISSN 1742-6588. - 1599:1(2020). ((Intervento presentato al convegno 37th UIT Heat Transfer Conference and Symposium Refrigerants: Heat Transfer and Applications tenutosi a University of Padova, ita nel 2019 [10.1088/1742-6596/1599/1/012034].

Experimental and modelling evaluation of possible solutions for compact design of producer-gas heat exchangers

Morselli N.;Puglia M.;Ottani F.;Tartarini P.
2020

Abstract

An experimental and numerical campaign was carried out to investigate the performances of tubes in shell heat exchanger applied to cool down the producer gas of a small-scale commercial wood biomass gasifier built by All Power Labs. Producer gas is contaminated with soot and tars that condensate under 300 °C, for this reason the heat exchanger was designed in order to have an in-situ cleaning mechanism. The heat exchanger was tested both with standard plain tubes and with a set of metal twisted tapes (TT) with the aim of enhancing the heat transfer between producer gas and water. Temperatures and mass flows analyses shown a maximum increase of thermal power output and overall heat transfer coefficient respectively of 19% and 76% when TT are applied to the standard plain tubes in shell heat exchanger. Numerical simulations shown a consistency in the trends giving an average discrepancy with experimental results of the 12%.
37th UIT Heat Transfer Conference and Symposium Refrigerants: Heat Transfer and Applications
University of Padova, ita
2019
1599
Morselli, N.; Puglia, M.; Mason, J.; Parenti, M.; Ottani, F.; Tartarini, P.
Experimental and modelling evaluation of possible solutions for compact design of producer-gas heat exchangers / Morselli, N.; Puglia, M.; Mason, J.; Parenti, M.; Ottani, F.; Tartarini, P.. - In: JOURNAL OF PHYSICS. CONFERENCE SERIES. - ISSN 1742-6588. - 1599:1(2020). ((Intervento presentato al convegno 37th UIT Heat Transfer Conference and Symposium Refrigerants: Heat Transfer and Applications tenutosi a University of Padova, ita nel 2019 [10.1088/1742-6596/1599/1/012034].
File in questo prodotto:
Non ci sono file associati a questo prodotto.
Pubblicazioni consigliate

Caricamento pubblicazioni consigliate

Licenza Creative Commons
I metadati presenti in IRIS UNIMORE sono rilasciati con licenza Creative Commons CC0 1.0 Universal, mentre i file delle pubblicazioni sono rilasciati con licenza Attribuzione 4.0 Internazionale (CC BY 4.0), salvo diversa indicazione.
In caso di violazione di copyright, contattare Supporto Iris

Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11380/1236288
Citazioni
  • ???jsp.display-item.citation.pmc??? ND
  • Scopus 1
  • ???jsp.display-item.citation.isi??? 0
social impact