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1424篇 您的检索式：作者名="Dempster"

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	题名	作者	年代	出处	被引量
1	A CFD Study on the Mechanisms Which Cause Cavitation in Positive Displacement Reciprocating Pumps显示文摘A transient multiphase CFD (computational fluid dynamics) model was set up to investigate the main causes which lead to cavitation in PD (positive displacement) reciprocating pumps. Many authors agree on distinguishing two different types of cavitation affecting PD pumps: flow induced cavitation and cavitation due to expansion. The flow induced cavitation affects the zones of high fluid velocity and consequent low static pressure e.g. the valve-seat volume gap while the cavitation due to expansion can be detected in zones where the decompression effects are important e.g. in the vicinity of the plunger. This second factor is a distinctive feature of PD pumps since other devices such as centrifugal pumps are only affected by the flow induced type. Unlike what has been published in the technical literature to date, where analysis of positive displacement pumps are based exclusively on experimental or analytic methods, the work presented in this paper is based entirely on a CFD approach, it discusses the appearance and the dynamics of these two phenomena throughout an entire pumping cycle pointing out the potential of CFD techniques in studying the causes of cavitation and assessing the consequent loss of performance in positive displacement pumps.	Aldo Iannetti Matthew T. Stickland William M. Dempster	2015	Journal of Hydraulic Engineering2015，1，1：	2
2	The impact and control of biofouling in marine aquaculture: a review显示文摘	Isla Fitridge Tim Dempster Jana Guenther Rocky de Nys	2012	Biofouling2012，，7：	2
3	Maximum-likelihood from incomplete data via the EM algorithm显示文摘	Dempster A Laird N Rubin D	1977	J Roy Statist Soc1977，39，：	1
4	Upper andLower Probability Induced by a Multi-valued Mapping显示文摘	Dempster A P	1967	Annals Mathematical Statistics1967，38，2：	1
5	A generalization of bayesian inference (with discussion)显示文摘	DEMPSTER A P	1968	Journal of Royal Statistical Society Series B1968，30，2：	1
6	Maximum likelihood estimation from incomplete data显示文摘	DEMPSTER A P LAIRD N M	1977	Journal of the Royal Statistical Society: B1977，39，1：	1
7	Maximum likelihood from incomplete data via the EM algorithm显示文摘	A D Dempster N M Laird D B Rubin	1977	Journal Royal Statistical Society Series B1977，39，1：	1
8	Maximum Likelihood from Incomplete Data via the EM Algorithm 显示文摘	Dempster A P Laird N M Rubin D B	1977	Journal of the Royal Statistical Society Series B1977，39，：	1
9	Upper and lower probabilities induced by muhivalued mapping 显示文摘	Dempster A	1967	Annum mathematics statistics1967，38，：	1
10	Headspace analy-sis: A new application for isotopic characterization of dissolved organic contaminants 显示文摘	Slater G F Dempster H S Lollar B S	1999	Environmental Science b- Technolo- gy1999，33，1：	1
11	Maximum likelihood from incomplete data via the EM algorithm 显示文摘	Dempster A P Laird N M Rubin D B	1977	Journal of the Royal Statistical Society1977，39，1：	1
12	Maximum likelihood from incomplete data via the EM algorithm显示文摘	Dempster A P Laird N M Rubin D B	1977	Journal of the Royal Statistical Society:Series B(Methodological)1977，，：	1
13	Fatal high cervical spinal cord injury in an automobile accident complicating os odontoideum 显示文摘	Dempster AG Heap SW	1990	Am J Forensic Med Pathol1990，11，3：	1
14	Parathy- roid hormone and teriparatide for the treatment of osteopo- rosis: A review of the evidence and suggested guidelines for its use显示文摘	Hodsman A B Bauer D C Dempster D W	2005	Endocr Rev2005，26，5：	1
15	Age of onset of dental anxiety显示文摘	Locker D Liddell A Dempster L	1999	J Dent Res1999，78，3：	1
16	Maximum likelihood from incomplete data via the EM algorithm显示文摘	Dempster A P Laird N M Robin D B	1977	Journal of the Royal Statistical Society1977，39，1：	1
17	Headspace Analysis:A New Application for Isotopic Characterization of Dissolved Organic Contaminants显示文摘	Dempster H D Sherwood L B	1999	Eviron Sci Technol1999，33，：	1
18	Maximum likelihood from incomplete data via the EM algorithm显示文摘	DEMPSTER A P LAIRD N M RUBIN D B	1977	Journal of the Royal Statistical Society:Series B1977，39，1：	1
19	Upper and lower probability introduced by multi-valued mapping显示文摘	DEMPSTER A P	1967	Annals of Mathematical Statistical1967，38，：	1
20	Why people experiencing acute myocardial infarction delay seeking medical assistance 显示文摘	Rosa Carney Donna Fitzsimons Martin Dempster	2002	European Journal of Cardiovascular Nursing2002，1，：	1

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