Power Generation - First Law of Thermodynamics
The First Law of Thermodynamics simply states that energy can be neither created nor destroyed (conservation of energy). Thus power generation processes and energy sources...

Power Generation & Conversion - Second Law of Thermodynamics
This article describes the second law of thermodynamics. The second law of thermodynamics summarizes that totally different events involving all kinds of energy have a common...

Pumps and Control Valves Cavitation
Chiller pump cavitation can be a serious problem in close loop systems. This article provides an in depth description of cavitation and how harmful it is to pumps and control...

Refrigerant Color Codes and Oil Uses
Legacy Chiller Systems - Information on common chiller refrigerant color codes and refrigeration oils.

Refrigeration Engineering Quick Reference Guide
The download Refrigeration Engineering Quick Referance guide includes:

1. Thermodynamics laws.

2. Thermodynamics terms

3. Carrying capacity if r...

RSES Journal - August 2006 -How to stay current with electrical know how
How to stay current with electrical know how. The attached article provides excellent information on basic electrical diagnostics

RSES Journal - August 2006 -Understanding the TXV
The attached article provides excellent information on basic TXV operation.

RSES Journal - Diagnostics using a pressure-temperature chart (P-T)
Manufactures of refrigerants, controls and other suppliers distribute hundreds of thousands of pressure-temperature (P-T) charts to the trades ever year. It would be rare to find...

RSES Journal - March 2006 - Refrigerant Blends - P-T Charts and Troubleshooting
Refrigerant Blends - P-T Charts and Troubleshooting

RSES Journal June 2007 - EPA and Greenhouse Gases Regulations
R-134A, R404A, R507 and R410A and HFC-base fire suppressants will likely fall under stricter regulations because of their global warming potential.

Solutions for fixing common TEV problems
When responding to a refrigeration service call, the refrigeration technician immediately plays "problem percentages" upon arrival. Most refrigeration equipment breakdowns are...

Sporlan - Using a T-P chart as a troubleshooting tool
Manufacturers of refrigerants, controls, and other suppliers distribute hundreds of thousands of pressure-temperature charts to the trade every year. It would be rare indeed to...

TEV installation, field service and assembly
Attached article provides detailed information on TEV:

1. Valve Location

2. Solder Techniques

3. Bulb Location and Installation

4. Ex...

TEV valve basics
The attached article includes basic information on TEV valve:

1. Theory of operation

2. Application

3. Valve selection

4. Refrigeration system basics

Toshiba Medical America Systems (TAMS) - No longer selling chillers for MRI

For many years now, Toshiba Medical America Systems (TAMS) has sold air-cooled chillers with their popular Vantage, Excelart, Opart and Opart Ultra Magnetic resonance...

T-P chart pocket size
The attached Pocket T-P chart provides the temperture / pressure relationships for most common refrigerants. The chart also provides a useful graphic on how to properly measure...

Typical Refrigeration piping diagram