The effect of particle size and base liquid on thermo-physical properties of ethylene and diethylene glycol based copper micro- and nanofluids

Abstract The particle size of the pigment may be expressed in terms of several average diameters, depending on the method of measurement. In this work three of these averages were considered; namely, d1, which is the arithmetical mean, d3, which is the average diameter from which specific surface is calculated, and D, which is the average diameter from which the number of particles per gram is calculated. A series of samples was prepared and these three average diameters were determined These samples were then compounded with rubber and several physical properties measured. As a result of these tests it is shown that, in general, the physical properties vary directly as the specific surface and the number of particles per gram. However, if the number of particles per gram is maintained constant and the specific surface is varied, it was found that the physical properties vary directly as the specific surface. No such relationship was found when the specific surface was maintained constant and number of particles per gram varied. It is further pointed out that the only satisfactory means of measuring the d3 diameter, and therefore the specific surface, is by some microscopic method which determines the size-distribution curve for the pigment.

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Experimental investigation on thermo-physical properties of copper/diethylene glycol nanofluids fabricated via microwave-assisted route

Applied Thermal Engineering ◽

10.1016/j.applthermaleng.2014.01.003 ◽

2014 ◽

Vol 65 (1-2) ◽

pp. 158-165 ◽

Cited By ~ 49

Author(s):

Nader Nikkam ◽

Morteza Ghanbarpour ◽

Mohsin Saleemi ◽

Ehsan Bitaraf Haghighi ◽

Rahmatollah Khodabandeh ◽

...

Keyword(s):

Experimental Investigation ◽

Physical Properties ◽

Diethylene Glycol ◽

Microwave Assisted ◽

Thermo Physical Properties

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Functionalized graphene sheet/polyurethane nanocomposites: Effect of particle size on physical properties

Macromolecular Research ◽

10.1007/s13233-011-0801-4 ◽

2011 ◽

Vol 19 (8) ◽

pp. 809-814 ◽

Cited By ~ 77

Author(s):

Jin Taek Choi ◽

Dong Hoon Kim ◽

Kwang Sun Ryu ◽

Hyung-il Lee ◽

Han Mo Jeong ◽

...

Keyword(s):

Particle Size ◽

Physical Properties ◽

Graphene Sheet ◽

Functionalized Graphene ◽

Effect Of Particle Size ◽

Polyurethane Nanocomposites

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Effect of Particle Size on The Physical Properties of Silicate Cements**Read before the Section on Operative Dentistry at the Seventy-Second Annual Midwinter Clinic of the Chicago Dental Society, Feb. 18, 1936.

The Journal of the American Dental Association (1922) ◽

10.14219/jada.archive.1936.0227 ◽

1936 ◽

Vol 23 (9) ◽

pp. 1620-1631

Author(s):

Edgar W. Swanson

Keyword(s):

Particle Size ◽

Physical Properties ◽

Operative Dentistry ◽

Effect Of Particle Size

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Effect of Particle Size on Some Properties of Rice Husk Particleboard

Advanced Materials Research ◽

10.4028/www.scientific.net/amr.18-19.43 ◽

2007 ◽

Vol 18-19 ◽

pp. 43-48 ◽

Cited By ~ 18

Author(s):

J.O. Osarenmwinda ◽

J.C. Nwachukwu

Keyword(s):

Particle Size ◽

Physical Properties ◽

Water Absorption ◽

Rice Husk ◽

Modulus Of Elasticity ◽

Internal Bond ◽

Elasticity Modulus ◽

Modulus Of Rupture ◽

Thickness Swelling ◽

Effect Of Particle Size

The purpose of this study was to determine the effect of particle size on the mechanical properties (Modulus of Elasticity, Modulus of Rupture, and Internal Bond) and physical properties (thickness swelling and water absorption) of rice husk particleboard. The particle sizes used were 1.0mm, 1.18mm, 2mm, 2.36mm and 2.80mm. Each was mixed with a constant resin (urea formaldehyde) concentration of 20% of oven dry weight of rice husk particles. The results showed that as the particle size increased, the particleboard’s mechanical and physical properties decreased. For example, the modulus of elasticity, modulus of rupture, internal bond, thickness swelling and water absorption for 1.0mm particle size particleboard were 1590N/mm2, 11.11N/mm2, 0.28N/mm2,10.90% and 38.53% respectively, while for 2.8mm particle size they were 1958N/mm2,14.2N/mm2, 0.44N/mm2, 11.51% and 47.21% respectively. Overall results showed that particleboard made from rice husk exceed the EN standard for modulus of elasticity, modulus of rupture, internal bond. However, thickness swelling values were poor. Hence, the smaller the particle size the better the properties of the particleboard.

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