HVACR/ Thermodynamics

What Is Sonochemistry?

Do you know that sound can affect chemical reactions? You probably know ultrasound applications for imaging in healthcare but there are many industrial and laboratory applications of sound in many fields such as manufacturing, chemistry, and even food processing. Learn about Sonochemistry.

Published by Rafael B. (8334 pts) on Jul 10, 2009 to
Mechanical Engineering Articles
Psychrometric Processes: Cooling & Dehumidification and Heating & Dehumidification

This article describes psychrometric processes like dehumidification, cooling and dehumidification, and heating and dehumidification. The article describes how these processes are achieved and how they are represented on the psychrometric chart.

Published by Haresh Khemani (23409 pts) on Jul 7, 2009 to
Mechanical Engineering Articles
Is The Survival of Life After Heat Death Possible?

Physicists have formed a consensus on the inevitability of heat death, but disagree on whether this indeed means the end of all life. What are some of the alternate scenarios that would allow for the continuation of life after heat death occurs?

Published by Dr. Crystal Cooper (3412 pts) on Jul 6, 2009 to
Mechanical Engineering Articles

Psychrometric Processes: Cooling & Humidification and Heating & Humidification

This article describes psychrometric processes like humidification, cooling and humidification, and heating and humidification. The article describes how these processes are achieved and how they are represented on the psychrometric chart.

Published by Haresh Khemani (23409 pts) on Jul 6, 2009 to
Mechanical Engineering Articles
Psychrometric Processes: Sensible Cooling and Sensible Heating of Air

Sensible cooling and sensible heating are basic psychrometric processes used for various applications. Let us see what these processes are and how they are represented on the psychrometric chart.

Published by Haresh Khemani (23409 pts) on Jul 6, 2009 to
Mechanical Engineering Articles
How to Use Psychrometric Chart

Using psychrometric chart is quite easy if you know the properties of air. This article describes various lines and curves in psychrometric chart and how to use the them.

Published by Haresh Khemani (23409 pts) on Jul 3, 2009 to
Mechanical Engineering Articles

What is Psychrometric Chart? Components of Psychrometric Chart?

Psychrometric Chart is one of the very important tools for the HVAC engineers to carry out heat load or cooling load calculations and find solutions to various air conditioning related problems. Let us see what psychrometric chart is and its various components.

Published by Haresh Khemani (23409 pts) on Jul 3, 2009 to
Mechanical Engineering Articles
What is a Thermocouple?

Thermocouples are popular temperature sensors found in places as diverse as hospitals, thermometers, boilers, cars, and airplanes. Yet this tiny but hardy device relies on a simple scientific principle found by an German doctor who abandoned his medical training to become a full-time physicist.

Published by Dr. Crystal Cooper (3412 pts) on Jul 2, 2009 to
Mechanical Engineering Articles
Chlorofluorocarbons (CFCs): Refrigerants that Cause Ozone Layer Depletion

Chlorofluorocarbons (CFCs) have been found to cause the depletion of the ozone layer. The ozone layer prevents ultraviolet radiations of the sun from coming on the earth. This article describes the process of damaging effects of CFCs.

Published by Haresh Khemani (23409 pts) on Jun 29, 2009 to
Mechanical Engineering Articles
Sensible and Latent Heat of Air

The total heat content of the air or enthalpy of air comprises of the sensible heat and the latent heat. The sensible heat is the heat absorbed or lost during the change in temperature of the air. The latent heat is the heat lost or absorbed during change in phase of the water vapor.

Published by Haresh Khemani (23409 pts) on Jun 26, 2009 to
Mechanical Engineering Articles