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Related Concept Videos

Temperature Measurement Sites01:14

Temperature Measurement Sites

1.6K
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...
1.6K
Ultrasonography01:17

Ultrasonography

4.4K
Ultrasonography is an imaging technique that uses high-frequency sound waves to visualize the body's internal structures. It is a non-invasive and safe procedure that does not involve the use of ionizing radiation, making it widely used in various medical fields. Ultrasonography is used to study heart function, blood flow in the neck or extremities, certain conditions such as gallbladder disease, and fetal growth and development.
During an ultrasonography procedure, a handheld device called...
4.4K
Equipments Used to Measure Body Temperature01:13

Equipments Used to Measure Body Temperature

992
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,...
992
Assessing Body Temperature - Temporal Artery01:19

Assessing Body Temperature - Temporal Artery

540
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...
540
Assessing Body Temperature - Tympanic membrane01:14

Assessing Body Temperature - Tympanic membrane

576
Assessing tympanic membrane temperature involves using a tympanic membrane thermometer (TMT). Here is a step-by-step guide:
Step 1: Begin by practicing good hand hygiene to prevent the transmission of microorganisms.
Step 2: Turn on the thermometer and wait until the ready sign appears on the screen to ensure accurate measurement.
Step 3: Slide the probe cover in place to prevent cross-contamination.
Step 4: Instruct the patient to tilt their head to the side for comfort and check for cerumen...
576
Ultrasound II: Endoscopic Ultrasound and FibroScan01:25

Ultrasound II: Endoscopic Ultrasound and FibroScan

96
Endoscopic Ultrasound (EUS) and FibroScan are valuable diagnostic tools in gastroenterology and hepatology, each with specific applications and techniques.
Endoscopic Ultrasound (EUS):
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Updated: Jun 23, 2025

Ultrasound Velocity Measurement in a Liquid Metal Electrode
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Ultrasound Velocity Measurement in a Liquid Metal Electrode

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Innovative Non-Invasive and Non-Intrusive Precision Thermometry in Stainless-Steel Tanks Using Ultrasound

Ahmed Bouzid1,2, Saad Chidami2, Tristan Quentin Lailler1

  • 1MOTCE Laboratory, Department of Computer Engineering, Polytechnique Montréal, Montreal, QC H3T 1J4, Canada.

Sensors (Basel, Switzerland)
|June 19, 2024
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Summary
This summary is machine-generated.

This study introduces a new ultrasound transducer method for precise chemical reactor temperature measurement, overcoming limitations of traditional techniques. This non-invasive approach achieves high accuracy, enhancing process control and safety.

Keywords:
non-destructive testingnon-invasive testingthermometrytime-of-flight measurementultrasound instrumentationwater monitoring

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Area of Science:

  • Chemical Engineering
  • Materials Science
  • Acoustics

Background:

  • Accurate temperature monitoring is vital for chemical reactor control and safety.
  • Conventional temperature measurement methods have limitations including invasiveness and restricted dynamic range.
  • Novel non-invasive techniques are needed to improve process monitoring.

Purpose of the Study:

  • To present a novel method for accurate temperature measurement in chemical reactors using ultrasound transducers.
  • To evaluate the performance of this new method within a specific temperature range.
  • To demonstrate the potential of ultrasound technology for chemical process monitoring.

Main Methods:

  • Utilized ultrasound transducers for non-invasive temperature sensing.
  • Conducted experiments in a homogeneous distilled water environment within a stainless-steel tank.
  • Collected temperature data across a range of 28.8 to 83.8 °C.

Main Results:

  • Achieved a minimal temperature accuracy of 98.6% within the critical zone (70.5–75 °C).
  • Demonstrated temperature accuracy exceeding 99% outside the critical zone.
  • Validated the effectiveness of ultrasound transducers for precise temperature measurement.

Conclusions:

  • The developed ultrasound transducer approach offers a highly accurate and non-invasive solution for temperature measurement in chemical reactors.
  • This method overcomes key limitations of conventional techniques, improving process safety and control.
  • Future research will explore diverse media and non-uniform environments, expanding application possibilities.