Wyniki wyszukiwania - BazTech

1

A method to improve repeatability and reproducibility of the results of examination of the rate of heat released by shipbuilding materials

Sychta K.

Polish Maritime Research

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2014

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nr 1

70--76

EN

A specialised integrated research rig has been designed and built to validate the method of heat release dynamic error correction based on the FTP Code, part 5, and to control the rig operation and calibration. The basic rig component is a programmed gas burner with an option to select the function and parameters of burner’s operation. The use of the programmed burner increased the level of consistency (reproducibility and correlation) of the results of heat release rate measurements.

2

Wpływ parametrów dynamicznych stanowiska na wartość intensywności wydzielania ciepła przez materiały

Sychta K.

Materiały Budowlane

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2013

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nr 3

98--99

EN

Combustion and material burning is a process which changes in time. Thus the measurements of heat release intensity of material should be treated as dynamic process and measurement should be dynamic accordingly. To validate the method of correction of dynamic error of the value of heat release intensity the special experimental set-up was designed and made. Experimental test aparatus witht hebasic element consisting the computer programmed gasburner with the possibility of choice of various functions and kinds of burning parameters is mounted on various test apparatuses. The consideration of dynamic parameters of test apparatus used for measurement of heat release rate of materials resulted in the improvement of precision of test results (reproducibility and correlation) of data for heat release intensity obtained with the various standard test methods, with no necessity of changes to the construction of the test apparatus with the only minor changes to the testing procedure.

3

Dynamic Error Correction as a Method for Improvement of Correlation of the Rate of Heat Release Results Measured with Various Test Methods

Sychta K.

Archivum Combustionis

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2010

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Vol. 30 nr 4

463-470

EN

The measurements of heat release intensity of material should be treated as dynamic process and measurement should be dynamic accordingly. To validate the method of correction of dynamic error of the value of heat release intensity as measured accordingly to the method described in the ISO 5660-1 the special experimental set-up was designed and made. Experimental test apparatus with the basic element consisting the computer programmed gas burner with the possibility of choice of various functions and kinds of burning parameters is mounted on various test apparatuses. The consideration of dynamic parameters of test apparatus used for measurement of heat release rate of materials resulted in the improvement of precision of test results (reproducibility and correlation) of data for heat release intensity obtained with the various standard test methods, with no necessity of changes to the construction of the test apparatus with the only minor changes to the testing procedure.

4

The analysis of research results concerning heat release rates of ship materials with regard to dynamic parameters of the research station

Sychta K.

Polish Maritime Research

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2008

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nr 1

56-59

EN

Based on the results of author’s research it was stated that significant differences between heat release rates measured according to ISO 5660-1 and FTP Code Part 5 (Res. A. 653 (16)) are not caused by measurement uncertainties. A basic factor determining the lack of correlation is treating the heat release rate in the category of static measurements in the normalized measurement methods. Taking into account dynamic parameters of the test station allowed the coincidence rate (reproducibility and correlation) of the results of heat release rates measured using different methods to be improved, without changing test stations and procedures. Author’s research performed on 42 materials has revealed that the relative dynamic errors of the heat release rate measurements are significant (2%÷120%). The average value of these changes for the tested group of materials was equal to 39%.

5

Increasing of accuracy and reproductibility of heat release rate measurements of ship materials

Sychta K.

Marine Technology Transactions. Technika Morska

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2005

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Vol. 16

245-252

EN

Research of heat release rate was carried out using various methods. Comparative analysis of this research results shows that there is no correlation between them. Measurement of heat release rate should be regarded as dynamic measurement, because combustion of the material is a dynamic process, too. Identification of the stand for measurement of ship material surface flammability according to FTP Code, vol.5 IMO as a dynamic converter allows to determine the auto-correction function. This is the function of the results of heat release rate measurements, which increases the correlation of the results obtained using various methods without the necessity of changes in me stand and research methodics.

PL

Analiza porównawcza wyników badań intensywności wydzielania ciepła uzyskanych różnymi metodami wskazała, że nie ma korelacji między tymi wynikami. Spalanie materiału jest procesem dynamicznym, również pomiar intensywności wydzielania ciepła powinien być traktowany jako pomiar dynamiczny. Identyfikacja stanowiska jako przetwornika dynamicznego pozwala na określenie funkcji autokorekty wyników pomiaru intensywności wydzielania ciepła zwiększającej korelację wyników uzyskanych różnymi metodami bez konieczności zmian w samym stanowisku i metodyce badań.

6

Badanie intensywności wydzielania ciepła z uwzględnieniem dynamicznych parametrów stanowiska badawczego

Sychta K.

Archiwum Spalania

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2004

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Vol. 4, nr 1-4

55-72

PL

Po analizie wyników badań intensywności wydzielania ciepła uzyskanych różnymi metodami wykazano, że pomiar intensywności wydzielania ciepła należy traktować jako pomiar dynamiczny. Przedstawiono metodykę identyfikacji stanowisk badawczych intensywności wydzielania ciepła jako dynamicznych przetworników pomiarowych. Uwzględnienie dynamicznych parametrów stanowisk pozwoliło na zwiększenie odtwarzalność wyników badań intensywności wydzielania ciepła otrzymywanych różnymi metodami.