An Introduction to Agricultural Engineering: A Problem-Solving Approach

Roth, Lawrence O.; Field, Harry L.

doi:10.1007/978-1-4684-1425-7

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2004

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“…Plotting these points on a psychrometric chart enables students to better understand the psychrometric principles of evaporative cooling. The volume of moist air per unit mass of m 3 kg −1 dry air † Information adapted from Roth and Field (1992).…”

Section: Laboratory or Lecture Instructionmentioning

confidence: 99%

An Evaporative Cooling Model for Teaching Applied Psychrometrics

Johnson¹

2004

Journal of Natural Resources and Life Sciences Education

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Evaporative cooling systems are commonly used in controlled environment plant and animal production. These cooling systems operate based on well defined psychrometric principles. However, students often experience considerable difficulty in learning these principles when they are taught in an abstract, verbal manner. This article describes an evaporative cooling demonstration model that has been used successfully in both the classroom and the laboratory to provide students with concrete, hands-on experiences with evaporative cooling and the underlying psychrometric principles. The model incorporates computer-based, real-time data collection and display to visually reinforce the principles being taught and learned. Construction of the model was easily accomplished in approximately 2 hours at a materials cost of less than $40, excluding computer, instrumentation, and electric fan.

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Section: Laboratory or Lecture Instructionmentioning

confidence: 99%

An Evaporative Cooling Model for Teaching Applied Psychrometrics

Johnson¹

2004

Journal of Natural Resources and Life Sciences Education

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An Introduction to Agricultural Engineering: A Problem-Solving Approach

Cited by 1 publication

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An Evaporative Cooling Model for Teaching Applied Psychrometrics

An Evaporative Cooling Model for Teaching Applied Psychrometrics

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