Nanoparticle heat transfer and fluid flow by W. J. Minkowycz, E M Sparrow, J. P. Abraham

By W. J. Minkowycz, E M Sparrow, J. P. Abraham

Featuring contributions by way of major researchers within the box, Nanoparticle warmth move and Fluid circulate explores warmth move and fluid stream methods in nanomaterials and nanofluids, that are turning into more and more vital around the engineering disciplines. The publication covers a variety, from biomedical and effort conversion functions to fabrics houses, and addresses elements which are crucial for extra development within the box, together with numerical quantification, modeling, simulation, and presentation.

Topics include:

  • A large overview of nanofluid functions, together with commercial warmth move, biomedical engineering, electronics, power conversion, membrane filtration, and automotive
  • An review of thermofluids and their significance in biomedical functions and heat-transfer enhancement
  • A deeper examine biomedical functions resembling nanoparticle hyperthermia remedies for cancers
  • Issues in power conversion from dispersed kinds to extra focused and utilizable forms
  • Issues in nanofluid houses, that are much less predictable and no more repeatable than these of alternative media that perform fluid movement and warmth transfer
  • Advances in computational fluid dynamic (CFD) modeling of membrane filtration on the microscale
  • The function of nanofluids as a coolant in microchannel warmth move for the thermal administration of digital equipment
  • The strength enhancement of normal convection because of nanoparticles

Examining key issues and purposes in nanoscale warmth move and fluid stream, this accomplished booklet provides the present state-of-the-art and a view of the longer term. It bargains a worthwhile source for specialists in addition to newbies drawn to constructing leading edge modeling and numerical simulation during this becoming field.

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Example text

The concepts of nanocryosurgery may offer new opportunities for future tumor treatment. With respect to the choice of particles for enhancing freezing, magnetite (Fe3O4) and diamond are perhaps the most popular and appropriate because of their good biological compatibility. Particle sizes less than 10 μm are sufficiently small to permit effective delivery to the site of the tumor, either via encapsulation in a larger molarity or suspension in a carrier fluid. Introduction of nanoparticles into the target via a nanofluid would effectively increase the nucleation rate at a high-temperature threshold.

Compared with the base fluid, nanofluids have distinctive properties that make them attractive in many applications such as pharmaceutical processes, transportation industry, thermal management of electronics, fuel cells, boiler flue gas temperature reduction, heat exchangers, etc. [2]. Extensive research studies on heat-transfer enhancement using nanofluids were conducted both experimentally and theoretically in the literature [1–15]. Conflicting results on the heat transfer enhancement using nanofluids in forced and natural convection are reported in the literature.

Some preferred surfactants are identified which can disperse carbon nanotubes in petroleum liquid media utilizing selected dispersants and mixing methods to form stable carbon nanostructure fluid dispersions. These nanofluids are applicable to vehicle engineering, in particular to suspension shock-absorbing devices and can be used in shock absorbers for cars, and trucks, and other vehicles. Zhong et al. [65] was awarded a patent for an aluminum oxide organic nanofluid for engine high-temperature cooling technology.

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