Transport Phenomena in Our Life

Transport phenomena help design better inkjet printers
In the link provided below, a solder micro-deposition process for use in
wafer and semiconductor manufacturing is described. It works essentially
as an inkjet printer where microdrops of liquid metals, rather than
microdrops of ink, are printed on a substrate (instead of paper). Liquid
metals at high enough temperatures behave as newtonian liquids and that's
where transport models become important. References can be found at this
link
(contributed by Bani).

Environmental Applications of Transport Phenomena
Within the realm of marine environmental sciences, the conservation
equations are used for a variety of applications The bulk motion of the
oceans themselves is an example of transport phenomena on a wide range of
spatial and temporal scales, from the persistent oceanographic currents
(i.e. the Gulf Stream), to the periodic tidal cycle, to the wake created by
a vessel. Once we have an appropriately scaled equation for the bulk motion
of the fluid, additional complexity can be introduced to model the transport
of nutrients, sediments, and pollutants in the aquatic environment. These
models can be used to predict algal blooms, suggest sources of nutrient or
pollutant plumes, determine the feasibility waterfront construction, or help
determine pollution containment and cleanup strategies. More details can be found
here
and here
(contributed by Brandi).

Sharkskin is considered to be rough, and rough surfaces increase drag, right?
This website provided below relates how a textured surface can increase fluid
flow by a phenomenon called wall bounded turbulence; riblets. The size of the
riblets and the rotation of the spiraling areas of fluid known as vortices are
the two important features in this phenomenon. Fluid caught by the vortices only
contacts the peaks of the riblets and not the pipe walls therefore there is minimum
friction which increases the flow. Riblet technology is used for airplanes, sea
vessels, and swimsuits. Diverging riblets increase flow by 15% whereas converging
riblets decrease the flow by the same amount. Diverging riblets can help improve
microphones and other audio equipment. Also riblets on airplanes can reduce friction
thereby reducing the amount of fuel needed for the plane which could
reduce the cost of airplane tickets. More details can be found
here
(contributed by Aruna).

Have you guys even paid attention to the phenomena those take place in the
coastal zone that extend from about 100 km offshore to 100 km inland?
The thermal contrast between the land and sea creates the land-sea breeze,
coastal atmospheric fronts, coastal ocean currents and upwelling. The understanding
of the coastal meteorology certainly requires the knowledge of the air-sea interaction,
large-scale atmospheric dynamics, but also land atmospheric boundary layers the
fundamentals of which could be found in any kind of transport phenomena.
Take a look:
here and
here
(contributed by Yuesheng).

Transport phenomena in the urban street canyon!
It involves the eulerian approach to vehilcular movement, pollutants
emission and pollutants dynamics use. More details can be found in this
link
(contributed by Halima).

Transport phenomena in biological systems
After going through the material in the sites given below,
one can analyze that transport phenomena are active
in all the biological systems.
Hence proper assumptions and accurate calculation is
of utmost importance for the calculation of energy,
momentum and mass transfer in these system. The most
complicated part comes when there is integration
of the transport phenomena principles with other fields
of science like biochemistry and physics, and when
there are multiple phenomena in the system. More details can be found
here,here and
here
(contributed by Kinjal).

Transport phenomena in human lung airways
Large scale molecular dynamics simulations are employed for the study pf
the transport and deposition of pharmaceuticals in the human lung
airways. In this system, the gas dynamics goes through a variety of
regimes from continuum flow to nearly free-molecular flow. The ultimate goal of
this project is to use the algorithm for pulmonary disease research and
drug delivery. More details can be found
here
(contributed by Rinku).

CFD calculations of flow around or inside objects
This
website
introduces the application of transport phenomena to improve the design
and prediction of fluid flow around or inside structures of arbitrary shapes
using the computational fluid dynamics (CFD). It also discusses how CFD technology
can be applied and extended to the medical device industries.
(contributed by Sam).

Do you like Guinness?
Flow problems can be seen in everyday circumstances. Even a trip
to the local pub will produce a plethora of transport related phenomena.
This everyday example of the wonderful beverage Guinness shows how flow
and buoyancy effects can produce what some people consider magical
effects. Though this simple example does not directly affect our standards
of living or simplicity, the methods used in studying this example can be
applied to various other phenomena. Computational fluid mechanics solved
the simple system of a pint of beer, and will be applied to more complex
systems in the future. So next time you are sitting in a pub, realize that
transport phenomena will never be that far away. More details can be found
here
(contributed by Tanner).

Transport phenomena in explosives
Warfare always exists in the world and affects people's lives. Weapons
designed from applying certain transport phenomena have been developed. A new
weapon - Termobaric Warhead - BLU-118/B is a penetrating warhead filled with
an advanced thermobaric explosive that when detonated generates higher
sustained blast pressures in confined spaces such as tunnels and underground
facilities. See this
link
(contributed by Yechun).

Heat balance of the earth's atmosphere
More details can be found
here
(contributed by Harin).