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Related Concept Videos

Temperature Measurement Sites01:14

Temperature Measurement Sites

3.7K
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...
3.7K
Equipments Used to Measure Body Temperature01:13

Equipments Used to Measure Body Temperature

1.9K
Body temperature can be assessed using various devices and measured in Celsius or Fahrenheit.
Glass-bulb Thermometer:
Glass-bulb thermometers are hollow glass tubes with a bulb tip containing liquid such as ethanol or mercury. Historically, glass bulb mercury thermometers were the standard device to measure body temperature. Today, mercury thermometers are prohibited in many countries due to the hazardous effects of mercury and the risk of exposure if the glass bulb breaks. In general,...
1.9K
Assessing Body Temperature - Temporal Artery01:19

Assessing Body Temperature - Temporal Artery

1.4K
Here is a stepwise guide to assessing the body temperature at the temporal artery using a temporal artery thermometer
Step 1: Perform hand hygiene and don a fresh pair of gloves to prevent cross-infection and ensure patient safety.
Step 2: Explain the procedure to the patient to establish trust. Clear communication establishes trust with the patient, ensures they understand what to expect, promotes cooperation, and enhances comfort during the procedure.  
Step 3: Assess the patient's...
1.4K
Galvanometer01:24

Galvanometer

3.1K
Common devices, including car instrument panels, battery chargers, and inexpensive electrical instruments, measure potential difference (voltage), current, or resistance using a d'Arsonval galvanometer. This electromechanical instrument is also known as a moving coil galvanometer.
The galvanometer consists of  two concave-shaped permanent magnets, providing a uniform radial magnetic field in the annular region. In the center, a pivoted coil of fine copper wire is placed in the uniform...
3.1K
Thermometers and Temperature Scales01:22

Thermometers and Temperature Scales

8.0K
Any physical property that depends consistently and reproducibly on temperature can be used as the basis of a thermometer. For example, volume increases with temperature for most substances. This property is the basis for the common alcohol thermometer and the original mercury thermometers. Other properties used to measure temperature include electrical resistance, color, and the emission of infrared radiation.
As many physical properties depend on temperature, the variety of thermometers is...
8.0K
Thermosensation01:43

Thermosensation

34.0K
Peripheral thermosensation is the perception of external temperature. A change in temperature (on the surface of the skin and other tissues) is detected by a family of temperature-sensitive ion channels called Transient Receptor Potential, or TRP, receptors. These receptors are located on free nerve endings. Those detecting cold temperatures are closer to the surface of the skin than the nerve endings detecting warmth. These thermoTRP channels, while temperature selective, have relatively...
34.0K

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Related Experiment Video

Updated: Feb 25, 2026

Surface Renewal: An Advanced Micrometeorological Method for Measuring and Processing Field-Scale Energy Flux Density Data
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Thermal Anemometry Grid Sensor.

Martin Arlit1, Eckhard Schleicher2, Uwe Hampel3

  • 1Technische Universitaet Dresden, AREVA Endowed Chair of Imaging Techniques in Energy and Process Engineering, 01062 Dresden, Germany. martin.arlit@tu-dresden.de.

Sensors (Basel, Switzerland)
|July 30, 2017
PubMed
Summary
This summary is machine-generated.

A new thermal anemometry grid sensor measures fluid temperature and velocity distributions simultaneously. This novel sensor uses platinum resistors and a multiplexing scheme for cross-sectional analysis, even at very low flow rates.

Keywords:
grid sensortemperature measurementthermal anemometry

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Area of Science:

  • Fluid dynamics
  • Sensor technology
  • Thermal analysis

Background:

  • Accurate measurement of fluid flow parameters is crucial in many scientific and engineering fields.
  • Existing methods for simultaneous temperature and velocity measurement can be complex or limited in scope.

Purpose of the Study:

  • To develop and characterize a novel thermal anemometry grid sensor.
  • To enable simultaneous cross-sectional measurement of temperature and axial velocity in fluid flows.
  • To demonstrate the sensor's capability in measuring very low velocities.

Main Methods:

  • Design of a grid sensor using an array of platinum resistors.
  • Application of constant voltage thermal anemometry for velocity measurement.
  • Utilizing electrical resistance for temperature determination.
  • Implementation of a multiplexing-excitation scheme for cross-sectional analysis.

Main Results:

  • A prototypical thermal anemometry grid sensor was successfully designed and fabricated.
  • The sensor enables simultaneous measurement of temperature and axial velocity distributions.
  • Characterization confirmed the sensor's functionality for analyzing fluid flow at very low velocities.

Conclusions:

  • The developed thermal anemometry grid sensor offers a novel approach for comprehensive fluid flow analysis.
  • The multiplexing scheme effectively facilitates cross-sectional measurements.
  • This technology holds potential for applications requiring precise low-velocity fluid characterization.