Heat Pipes – Part III Operating principles: heat transfer limits
Let’s close this brief analysis of Heat Pipes with this 3rd technical article on heat transfer limits
Technical Articles
Heat Pipes – Part II Operating principles: capillary pumping pressure
In a previous article we introduced and described, from a general point of view, the Heat Pipes. Now, we want to present some general aspects concerning on the operating principles of these devices.
Heat Pipes – Part I: from aerospace to air conditioning applications
The heat pipe is a device of very high thermal conductance. Let’s find out the story and characteristicst behind this particular type of heat exchanger
How to calculate Tube Bundle H.E. & Plate H.E. with Unilab’s Unisuite
The decision to purchase a Shell and Tube Heat Exchanger (Tubular Heat Exchangers) or a Plate Heat Exchanger is usually very complex.
New generation of nanoparticles lubricants for refrigeration systems
The application of fluids with nanoparticles in refrigerating systems is potential way to improve the energy efficiency and reliability of HVAC&R facilities
Carbon dioxide heat pump: from the condenser to the gas-cooler
Read about the substitution of the condenser with a gas-cooler, where the carbon dioxide is cooled without phase change process.
Carbon Dioxide as Refrigerant
Carbon dioxide was widely used in refrigeration machines before being substituted by CFCs. Read why it’s coming back in fashion.
HYDROCARBONS (HCs) – From domestic to commercial refrigeration: a market in full development
Across the world there are over 600 million hydrocarbon domestic refrigerators. Let’s find out what hydrocarbons are and why they are so widely used
New frontiers of synthetic refrigerants: low-GWP fluids
Even nowadays, the threat represented by the global warming alarms the scientific community. Over the years, the refrigerating and……
AMMONIA NH3: natural and efficient but toxic
Ammonia (NH3) is the only natural refrigerant being continuously used in industrial refrigeration since its first application. Read more.
Secondary fluids: acqueous solutions and non-acqueous liquids
In many refrigerating applications, heat is transferred to a secondary coolant, which can be any liquid cooled by the refrigerant and used….Read more
How to design a capillary tube: the simplest and most reliable throttling device
When the caapillary tube used for controlling refrigerant flow, it connects the outlet of the condenser to the inlet of the evaporator.