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As more and more components are placed on a single integrated circuit (chip), the amount of heat that is dissipated continues to increase.
As a means of enhancing heat transfer from high-performance logic chips, it is common to attach a heat sink to the chip surface in order to increase the surface
Approximately 10 6 discrete electrical components can be placed on a single integrated circuit (chip), with electrical heat dissipation as high as 30,000 W/m2
The thermal conductivity of glass at room temperature is more than 50 times larger than that of air.
An object of irregular shape has a characteristic length of L = 1 m and is maintained at a uniform surface temperature of Ts = 325 K.
An ocean thermal energy conversion system is being proposed for electric power generation. Such a system is based on the standard power cycle
Annealing is a process by which steel is reheated and then cooled to make it less brittle. Consider the reheat stage for a 100-mm-thick steel plate
An uninsulated, thin-walled pipe of 100-mm diameter is used to transport water to equipment that operates outdoors and uses the water as a coolant.
An uninsulated, 25-mm-diameter pipe with a surface temperature of 15°C passes through a room having an air temperature of 37°C and relative humidity of 75%
An uninsulated steam pipe is used to transport high-temperature steam from one building to another. The pipe is of 0.5-m diameter, has a surface temperature
An opaque, horizontal plate has a thickness of L = 21 mm and thermal conductivity k = 25 W/m · K. Water flows adjacent to the bottom of the plate
An oil pre-heater consists of a ingle tube of 10 mm diameter and 5m length, with its surface maintained at 175°C by swirling combustion gases.
Annular aluminum fins of rectangular profile are attached to a circular tube having an outside diameter of 50 mm and an outer surface temperature of 200°C.
Approximate the human form as an unclothed vertical cylinder of O.3-m diameter and 1.75-m length with a surface temperature of 30°C.
As a means of preventing ice formation on the wings of a small, private aircraft, it is proposed that electric resistance heating elements be installed
As part of a heat treatment process cylindrical, 304 stainless steel rods of 100-mm diameter are cooled from an initial temperature of 500°C by suspending them
An electronic device, such as a power transistor mounted on a finned heat sink, can be modeled as a spatially isothermal object with internal heat generation
An electrical power transformer of diameter 230 mm and height 500 mm dissipates 1000 W. It is desired to maintain its surface temperature at 47°C
An electrically heated sample is maintained at a surface temperature of Ts = 500 K.
An electrically powered, ring-shaped radiant heating element is maintained at a temperature of Th = 3000 K and is used in a manufacturing process
An electronic circuit board dissipating 50 W is sandwiched between two ducted, forced-air-cooled heat sinks.
Consider limitations for which the array has N = 11 fins, in which case values of the fin thickness t = 0.182 mm and pitch S = 1.982 mm are obtained
An igloo is built in the shape of a hemisphere, with an inner radius of 1.8 m and walls of compacted snow that are 0.5 m thick
An experiment is conducted to determine the average mass transfer convection coefficient of a small droplet using a heater controlled to operate at a constant
An electronic device, in the form of a disk 20 mm in diameter, dissipates 100 W when mounted flush on a large aluminum alloy (2024) block