نتایج جستجو برای: premixed micro

تعداد نتایج: 118490  

2003
J. B. Bell M. S. Day J. F. Grcar M. J. Lijewski M. Johnson R. K. Cheng I. G. Shepherd

Turbulent premixed combustion is a major active research topic in combustion science. A number of computational studies have focused on idealized configurations to aid in interpreting flame dynamics observed in the laboratory, including one-dimensional strained flames, two-dimensional vortex/flame interactions and limited three-dimensional direct numerical simulations. In this paper, we present...

Journal: :CoRR 2009
Vladimir Karlin

In this paper we investigate performance of global communications in a particular parallel code. The code simulates dynamics of expansion of premixed spherical flames using an asymptotic model of Sivashinsky type and a spectral numerical algorithm. As a result, the code heavily relies on global all-to-all interprocessor communications implementing transposition of the distributed data array in ...

2017

Combustion kinetics ...................................................................................................................................... 1 Physical mixing and its effects on ignition, propagation and extinction ...................................................... 2 Mixing ...........................................................................................................

Journal: :Biomatter 2013
Johanna Engstrand Cecilia Persson Håkan Engqvist

Premixed calcium phosphate cements can reduce handling complications that are associated with the mixing of cements in the operating room. However, to extend the clinical indication of ceramic cements their mechanical properties need to be further improved. The incorporation of a polymeric material with intrinsically high tensile properties could possibly assist in increasing the mechanical pro...

2013
D R Owens

Basal insulin provides an effective method for initiating insulin therapy in people with Type 2 diabetes, resulting in significant improvements in glycaemic control, lower rates of hypoglycaemia and less weight gain than either prandial or premixed insulin regimens. However, the progressive nature of Type 2 diabetes and the inability of basal insulin to correct excessive postprandial glucose ex...

Journal: :British medical journal 1964
S F HANS H KOPELMAN

It is known that 50% N20 and 50% 02 mixture is a safe and efficient analgesic for parturient women. The British Oxygen Company have produced single cylinders of premixed gases containing a 50/50 gas and oxygen mixture, which would be ideal for use in midwifery if they could be relied upon to dispense a constant 50/50 mixture. Composition changes in premixed gas and oxygen mixtures have been rep...

2005
John B. Bell Robert K. Cheng Marcus S. Day Ian G. Shepherd

A dominant factor in determining the burning rate of a premixed turbulent flame is the degree to which the flame front is wrinkled by turbulence. Higher turbulent intensities lead to greater wrinkling of the flame front and an increase in the turbulent burning rate. This picture of turbulent flame dynamics must be modified, however, to accommodate the affects of variations in the local propagat...

Journal: :Physical review. E, Statistical, nonlinear, and soft matter physics 2007
Sudarshan Kumar Kaoru Maruta S Minaev

Premixed methane-air mixture is introduced at the center of two parallel circular quartz plates separated by a millimeter scale distance (<or= 5mm). Two plates are heated with an external heater to create a positive temperature gradient condition along the flow direction. The combustion characteristics of lean methane-air mixtures are investigated at phi=0.67 and phi=0.85 in the laminar flow re...

2017
Kamran MA Aziz

Submit Manuscript | http://medcraveonline.com degludec/Tresiba®) have been proven more safer and efficacious in management of type-1 and type-2 diabetes, as compared to older or traditional insulins (Human Regular and NPH), with better glycemic control (HbA1c reductions) and less or negligible hypoglycemia; these insulin analogs are available as insulin pens and more easy to use. Furthermore, t...

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