Constant pressure charts illustrate the varying *height* of a specific constant pressure surface (e.g., 500 mb), contrasting with surface charts which depict varying *pressure* at a constant height ...

The drivers may be different, but the destination—higher efficiency—is the same worldwide. As a primary component of current efforts to reduce the environmental impact of burning low-cost coal, new ...

The main goal of any HVAC system is to provide comfort. The American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE) has established room conditions that are acceptable for ...

Have you ever dreamed of a refrigeration system that would hold a constant pressure in both the evaporating and condensing sides of the system? What if this constant-pressure system could maintain the ...