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Temperature Measurement Sites

Temperature Measurement Sites

A thermometer measures body temperature. The common sites for measuring body temperature are the oral cavity, axillary region, temporal artery, and skin surface, such as the forehead, abdomen, and axilla. True core body temperature is assessed in the rectum, tympanic membrane, pulmonary artery, esophagus, and urinary bladder.
Oral: When assessing oral temperature, the thermometer tip should be placed under the tongue in the posterior sublingual pocket. It offers accurate readings and can be...

Computed Tomography

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Assessing Body Temperature - Temporal Artery

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Here is a stepwise guide to assessing the body temperature at the temporal artery using a temporal artery thermometer
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Electron Tomography
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Related Experiment Video

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Fiber Optic Distributed Sensors for High-resolution Temperature Field Mapping

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Measurement of three-dimensional temperature fields with interferometric tomography.

¹Department of Applied Physics, Nanjing University of Science and Technology, Nanjing, 210094 China.

|March 6, 2008

Summary

Optical computerized tomography (OCT) visualizes heat distribution from electronics like CPUs. This technology can assess thermal performance and potentially reveal smart integrated-circuit design by imaging temperature fields.

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Area of Science:

Thermal engineering
Optical imaging technologies
Computer science applications

Background:

Accurate temperature field reconstruction is crucial for evaluating heat dissipation in electronic devices.
Traditional methods may struggle with the complex, asymmetric thermal fields generated by components like CPUs.

Purpose of the Study:

To describe and validate the Optical Computerized Tomography (OCT) method for reconstructing 3D temperature fields.
To apply OCT for imaging the air-temperature field above a central processing unit (CPU).

Main Methods:

The study details the Optical Computerized Tomography (OCT) technique.
Validation was performed using a double-cylinder radiator model.
OCT was applied to map the temperature distribution above a CPU surface.

Main Results:

OCT successfully reconstructed the asymmetric three-dimensional temperature field from radiators and electronic chips.
The system imaged the air-temperature field above a CPU circuit.
The results indicated the potential to assess evenness of heat production across CPU components.

Conclusions:

Optical Computerized Tomography is a viable method for reconstructing complex 3D temperature fields.
This technique can provide insights into the thermal performance of electronic components like CPUs.
OCT may serve as a tool to evaluate the thermal efficiency and design intelligence of integrated circuits.