Influence of the Needle Depth and Frequency on the Thermal Insulation Performance of Pre-Oxidised Fibre Felts

• Autorzy: Zhao Xiaoming , Liu Yuanjun , Liang Tenglong , Zheng Zhenrong

Identyfikatory

DOI

10.5604/01.3001.0014.0936

Warianty tytułu

PL

Wpływ głębokości i częstotliwości igłowania na wydajność izolacji termicznej wstępnie utlenionych filców

• Języki publikacji: EN

Abstrakty

EN

In this paper, the influence of the needle depth and frequency on the thermal insulation performance of pre-oxidised fibre felts was mainly investigated. The results showed that pre-oxidised fibre felts of a needle depth of 8 mm at a room temperature and working temperature of 100-200 °C had the best thermal insulation performance, while fibre for those of different needle depths with increasing temperature, the steady-state temperature difference increased linearly. With an increasing needle frequency, the thickness and gram weight of the pre-oxidised fibre felts showed a decreasing trend, while the coefficient of thermal conductivity exhibited an increasing one. For pre-oxidised fibre felts of different needle frequencies with increasing temperature, the steady-state temperature difference showed a linearly increasing trend.

PL

W pracy zbadano wpływ głębokości i częstotliwości igłowania na wydajność izolacji termicznej wstępnie utlenionych filców. Wyniki wykazały, że wstępnie utlenione filce igłowane na głębokość 8 mm w temperaturze pokojowej i temperaturze roboczej 100-200 °C miały najlepszą izolację termiczną. Wraz ze wzrostem częstotliwości igłowania grubość i gramatura wstępnie utlenionych filców wykazywały tendencję spadkową, podczas gdy współczynnik przewodności cieplnej wzrastał. W przypadku wstępnie utlenionych filców różnych częstotliwościach igłowania ze wzrostem temperatury różnica temperatur w stanie ustalonym wykazywała liniowo rosnący trend.

Słowa kluczowe

EN

pre-oxidised fibre felt; needle depth; needle frequency; thermal insulation performance; thermal conductivity coefficient; back temperature

PL

filc; utlenianie wstępne; głębokość igłowania; częstotliwość igłowania; wydajność izolacji termicznej; współczynnik przewodzenia ciepła; temperatura powrotu

• Wydawca: Sieć Badawcza Łukasiewicz - Łódzki Instytut Technologiczny
• Czasopismo: Fibres & Textiles in Eastern Europe
• Rocznik: 2020
• Tom: Vol. 28, no. 4 (142)
• Strony: 57--66
• Opis fizyczny: Bibliogr. 22 poz., rys., tab.

Twórcy

autor

Zhao Xiaoming

• University, School of Textile Science and Engineering, Tianjin 300387, P.R. China
• Tiangong University, Tianjin Key Laboratory of Advanced Textile Composites, Tianjin 300387, P.R. China
• Tianjin Key Laboratory of Advanced Fibre and Energy Storage Technology, Tianjin 300387, P.R. China

autor

Liu Yuanjun

• University, School of Textile Science and Engineering, Tianjin 300387, P.R. China
• Tiangong University, Tianjin Key Laboratory of Advanced Textile Composites, Tianjin 300387, P.R. China
• Tianjin Key Laboratory of Advanced Fibre and Energy Storage Technology, Tianjin 300387, P.R. China

autor

Liang Tenglong

• University, School of Textile Science and Engineering, Tianjin 300387, P.R. China

autor

Zheng Zhenrong

• University, School of Textile Science and Engineering, Tianjin 300387, P.R. China
• Tiangong University, Tianjin Key Laboratory of Advanced Textile Composites, Tianjin 300387, P.R. China
• Tianjin Key Laboratory of Advanced Fibre and Energy Storage Technology, Tianjin 300387, P.R. China

Bibliografia

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2020).