Evaluation of the metrological performance of two kinds of rotational viscometers by means of viscosity reference materials
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- 作者：Claudia Santos Cardoso de Castro ; cscastro@inmetro.gov.br" class="auth_mail" title="E-mail the corresponding author ; Dalni Malta do Espí ; rito Santo Filho dsfilho@inmetro.gov.br" class="auth_mail" title="E-mail the corresponding author ; José ; Renato Real Siqueira jrsiqueira@inmetro.gov.br" class="auth_mail" title="E-mail the corresponding author ; Alex Pablo Ferreira Barbosa afbarbosa@inmetro.gov.br" class="auth_mail" title="E-mail the corresponding author ; Claudio Roberto da Costa Rodrigues crrodrigues@inmetro.gov.br" class="auth_mail" title="E-mail the corresponding author ; Maurí ; cio Limp Cabral Jr. mauricio.limp@yahoo.com" class="auth_mail" title="E-mail the corresponding author ; Evelyn Meireles da Silva emsilva@inmetro.gov.br" class="auth_mail" title="E-mail the corresponding author ; Felipe de Oliveira Baldner fbaldner@gmail.com" class="auth_mail" title="E-mail the corresponding author ; José ; Maurí ; cio Gomes Gouveia jmgouveia@inmetro.gov.br" class="auth_mail" title="E-mail the corresponding author
- 关键词：Viscosity ; Rotational viscometers ; Metrology ; Uncertainty of measurement ; Traceability
- 刊名：Journal of Petroleum Science and Engineering
- 出版年：2016
- 出版时间：February 2016
- 年：2016
- 卷：138
- 期：Complete
- 页码：292-297
- 全文大小：549 K
文摘
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The metrological performance of rotational viscometers was studied.
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Two types of rotational viscometers were investigated.
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Reference materials were used to assess their performance.
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The types of viscometers studied were a Brookfield type and a rheometer.
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The rheometer yielded more exact viscosity values for low viscosities.
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At higher viscosity values, both viscometers showed similar metrological behaviors.
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Uncertainties of measurement for viscosity were evaluated for both viscometers.