Effect of the fins configuration on natural convection heat transfer experimentally and numerically

... the adjacent internal fins enclosures Studying convection and conduction heat transfer analysis was carried off three governor equations (conservation of mass, conservation of momentum and conservation ... studied the natural convection heat transfer from a fins array in horizontal position The aim of their study was investigating the effects of clearance...

Ngày tải lên: 20/11/2015, 14:04

... specify the ignition quality of any fuel The cetane number of esters of vegetable oils (Biodiesel) is greater than those of both vegetable oils and No diesel fuel [9] As indicator of ignition quality, ... Chemical Properties on Biodiesel Fuels on Injection, Combustion and Exhaust Emission Characteristics in a Direct Injection Compression Ignition Engine, International...

Ngày tải lên: 05/09/2013, 16:10

... composition of the Fe-Pt nanoparticles was controlled by adjusting the current density (corresponding to the applied voltage) When the current density of 15 – 20 mA/cm2, the composition of nanoparticles ... [21] The broad peak on the DSC trace in the FePt nanoparticles suggests that there was no such transition in the FePt nanoparticles upon annealing Th...

Ngày tải lên: 13/02/2014, 03:20

... the anion protein interactions in A-state stabilization Competition among anions To better define the effect produced by monovalent anions on the sulfate-induced A-state of cytochrome c, we monitored ... environment of the sulfate-induced A-state of cytochrome c, as observed from changes induced in the 416 nm Cotton effect (sulfate concentration: 50 mM) The e...

Ngày tải lên: 19/02/2014, 05:20

... http://www.nanoscalereslett.com /content/ 6/1/161 function of the Nd concentration and the annealing temperature in relation with their microstructures The Nd- doped silicon- rich silicon oxide (SRSO) thin layers were synthesized ... emission of Nd3 + ions is more efficient while Si-np are formed, and while the Nd content is low (0.08 at.%) In such conditions,...

Ngày tải lên: 21/06/2014, 05:20

... normalization Transpiration was hardly influenced Respiration showed, at the beginning of the experiment, a strong depression and later on a strong stimulation The significance of the differences to the ... restricted to the root system, but may be a specific feature of all our organs of a tree species This needs further investigation The causes of the growth...

Ngày tải lên: 08/08/2014, 18:21

... information on family history of asthma and allergy, as well as maternal smoking habits At ages 1, 2, 4, 10 and 18 years, the original questionnaire-based information was updated, a study investigator ... IgE screen at age 10, and with skin prick test positivity at ages 4, 10 and 18 years Univariable analysis Univariable analysis showed no signific...

Ngày tải lên: 08/08/2014, 21:20

... addition of Cu(0) Keq = 9.37×10-7 Recommendations  Investigate the effect of the others factors on ATRP such as initiator,temperature, reaction time,…  The effect of factors on ATRP of n-butyl ... ethoxylate nonylphenol OH n Kinetics of ATRP  The rate of monomer consumption in the propagation step is provided by :  Equation (2) express the stea...

Ngày tải lên: 27/04/2015, 09:07

... price and/ or volume reaction is affected by the timing of the earnings announcement, such as the day of the week of the announcement (Dellavigna and Pollet 2009) or the time of day of the announcement ... on the relative summer absence of noise traders and its effect on earnings announcement price reactions and earnings response coeffic...

Ngày tải lên: 30/09/2015, 14:28

... to the concentration in the carcass Table 2: Consumption of meat and meat products (including offal) in the adult population of Sweden, France and Italy Average daily consumption in consumers only ... decontamination of poultry Food Sci Tech Int 8: 11-24 EC (1995) Directive 95/2/EC of 20 february 1995 amended EFSA (2005) Opinion of the Scientific Panel on...

Ngày tải lên: 17/03/2014, 10:20

... lactate) Secondary end-points were the evaluation of the impact of IAH on ICP and ISP, cardiovascular, respiratory and acid-base homeostasis Statistical analysis Parametric and non-parametric tests ... Cite this article as: Marinis et al.: Ischemia as a possible effect of increased intra-abdominal pressure on central nervous system cytokines, lactate a...

Ngày tải lên: 13/08/2014, 20:21

... Psychoemotional aftermath With respect to the tsunami's psychoemotional aftermath, the full impact of the wave on the mental health of the survivors is still unknown [2] In February 2005 the World ... estimation about the force with which the victims were hit and swept away by the wave Antiinfective therapy Our intial choice of anti-infective therapy was a combinatio...

Ngày tải lên: 25/10/2012, 10:41

... determine the effect of the number of the ventilation pipes on the composting rate, an attempt was made to correlate the composting rate with the number of the perforated pipes for air supply in the ... ventilation effect by the natural convection (Shimizu and Morita, 1962) However, there have been no studies of the effect of the verti...

Ngày tải lên: 05/09/2013, 08:40

... reduce the effectiveness of disinfectants Therefore, in this study, we examined the effects of turbid substances in suspensions of C parvum oocysts on the degree of UV inactivation of the oocysts ... irradiation of C parvum oocysts in the presence of various substances Three substances were added to suspensions of C parvum oocysts and the...

Ngày tải lên: 05/09/2013, 09:08

... later is an inverse relationship that is as the perceived effect of industrial water pollution increases the income of respondents decreases 3.4 Effect of Industrial Water Pollution Figure 1: ... of industrial pollution on Livelihood of rural dwellers in Yewa area ,Ogun State Perceptional Statements about perceived effect of industrial...

Ngày tải lên: 06/03/2014, 23:20