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51篇 您的检索式：作者名="Maunu"

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	题名	作者	年代	出处	被引量
1	Numerical and Experimental Modelling of Gas Flow and Heat Transfer in the Air Gap of an Electric Machine显示文摘This work deals with the cooling of high-speed electric machines, such as motors and generators, through an air gap. It consists of numerical and experimental modeling of gas flow and heat transfer in an annular channel. Velocity and temperature profiles are modeled in the air gap of a high-speed test machine. Friction and heat transfer coefficients are presented in a large velocity range. The goals are reached acceptably using numerical and experimental research. The velocity field by the numerical method does not match in every respect the estimated flow mode. The absence of secondary Taylor vortices is evident when using time averaged numerical simulation.	Maunu KUOSA Petri SALLINEN Jaakko LARJOLA	2004	Journal of Thermal Science2004，13，3：	16
2	Numerical and Experimental Modelling of Gas Flow and Heat Transfer in the Air Gap of an Electric Machine. Part II: Grooved Surfaces显示文摘The study deals with the cooling of a high-speed electric machine through an air gap with numerical and experimental methods. The rotation speed of the test machine is between 5000-4000 r/rain and the machine is cooled by a forced gas flow through the air gap. In the previous part of the research the friction coefficient was measured for smooth and grooved stator cases with a smooth rotor. The heat transfer coefficient was recently calculated by a numerical method and measured for a smooth stator-rotor combination. In this report the cases with axial groove slots at the stator and/or rotor surfaces are studied. Numerical flow simulations and measurements have been done for the test machine dimensions at a large velocity range. At constant mass flow rate the heat transfer coefficients by the numerical method attain bigger values with groove slots on the stator or rotor surfaces. The results by the numerical method have been confirmed with measurements. The RdF-sensor was glued to the stator and rotor surfaces to measure the heat flux through the surface, as well as the temperature.	Maunu KUOSA Petri SALLINEN Arttu REUNANEN Jari BACKMAN Jaakko LARJOLA Lasse KOSKELAINEN	2005	Journal of Thermal Science2005，14，1：	4
3	Water sorption and diffusion coeffients of protons and water in PVDF-g-PSSA polymer electrolyte membranes显示文摘	Hietala S Maunu S L Sundholm F	1999	J Polym Sci: Part B: Polym Phy1999，37，：	3
4	Sorption and diffusion of methanol and water in PVDF-g-PSSA and nafion(r)117 polymer electrolyte membranes显示文摘	Hietala S Maunu S L Sundholm F	2000	J Polym Sci: Part B: Polym Phy2000，38，：	2
5	CP/MAS ^13C-NMR investigations of cellulose polymorphs in different pulps显示文摘	Maunu S Liitia T Kauliomaki S	2000	Cellulose2000，7，：	1
6	Solid State NMR Studies onCellulose Crystallinity in Fines and Bulk Fibres Separated fromRefined Kraft Pulp 显示文摘	Liitia T Maunu S L Hortling B	2000	Holzforschung2000，54，6：	1
7	^13C CPMAS NMR investigations of cellulose polymorphs in different pulps 显示文摘	Maunu S Liitia T Kauliomaki S	2000	Cellulose2000，，7：	1
8	Structural characterization of water soluble β-glucan of oat bran显示文摘	Johansson L VirkkI L Maunu S	2000	Carbohydrate Polymers2000，42，：	1
9	Characterisation of thermally modified hardand softwoods by laC CP/MAS NMR 显示文摘	WIKBERG H MAUNU S L	2004	Carbohydrate Polymers2004，58，：	1
10	Magnetic resonance studies of thermally modified wood显示文摘	Sivonen H Maunu S L Sundholm F	2002	Holzforschung2002，，56：	1
11	Cognitive outcome at 2 years of age in Finnish infants with very low birth weight born between 2001 and 2006 显示文摘	Munck P Haataja L Maunu J Parkkola R Rikalainen H Lapinleimu H	2010	Acta Paediatr2010，99，3：	1
12	Microwave assisted extraction of maritime pine (Pinus pinaster) bark: Impact of particle size and characterization显示文摘	L Chupin S L Maunu S Reynaud	2015	Industrial Crops and Products2015，65，：	1
13	C-13 CPMAS NMR investigations of cellulose polymorphs in different pulps显示文摘	Maunu S Liitia T Kauliomaki S	2000	Cellulose2000，7，2：	1
14	Leibniz's Theory of Universal Expression Explicated显示文摘	Ari Maunu	2008	Canadian Journal of Philosophy2008，38，2：	1
15	A CP/MAS ^13C NMR study of cellulose structure on the surface of refined kraft pulp fibers显示文摘	HULT E L LIITI)- T MAUNU S L	2002	Carbonhydrate Polymers2002，49，：	1
16	C-13 CPMAS NMR investigations of cellulose polymorphs in different pulps 显示文摘	Maunu S Liitia T Kauliomaki S	2000	Cellulose2000，7，2：	1
17	Solid state NMR studies on cellulose crystallinity in fines and bulk fibres separated from refined kraft pulp显示文摘	Liitia T Maunu S L Hortling B	2000	Holzforschung2000，54，6：	1
18	Changes in fiber ultrastructure during various kraft pulping conditions evaluated by 13C CPMAS NMR spectroscopy 显示文摘	Tommi V Maunu S Tamminen T	2008	Carbonhydrate Ploymers2008，73，1：	1
19	Magnetic resonance studies of thermally modified wood显示文摘	Sivonen H Maunu S L Sundholm F		0，，6：	1
20	Magnetic resonance studies of thermally modified wood显示文摘	Sivonen H Maunu S L Sundholm F	2002	Holz- forschung2002，56，6：	1

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