UNISUITE SHELL: Verify vs Design!
In SHELL, you have two ways to design an exchanger: First of all, let’s illustrate the functionalities of VERIFY and DESIGN, and then let’s see the difference!
Technical Articles
UNISUITE SHELL UPDATE: BUILD 191004
A new SHELL update is available! The update of Unisuite Shell 191004 is already available for all users under regular technical support subscription, which can now download this latest version. In this build, available for all users, the TEMA B-E-U configuration has been introduced for the mode “steam outside tubes”.
DEVELOPMENT OF A SELECTION SOFTWARE: SHARK + X-SHARK INTERACTION
Many Companies ask us for selection software for their units, like Close Control, Chiller, Remote Condensers or Rooftop units. The X-Shark option is the right one, however there are many ways to develop it, and this variety of solutions allows us to satisfy different needs with clearly different development times.
MOSTRA CONVEGNO EXPOCOMFORT: MCE 2020: CONTACT US FOR A MEETING
Unilab is proud once more to announce its presence at this edition of MCE Mostra Convegno Expocomfort, in Milan. Unilab will participate as a visitor to the 42nd edition of Mostra Convegno Expocomfort, to meet its numerous clients exhibiting at the fair.
What’s a Falling Film Chiller?
Let’s talk about FALLING FILM once again: In the previous article, we discussed the HVAC application of Falling Film, which we refer to in our software as “Spray Evaporator”: There is, however, another type of FALLING FILM, which has nothing to do with its HVAC counterpart, and to which the industry added the term “CHILLER”, which, once again, has nothing to do with the Chiller we know in the HVAC&R world.
GAS COOLER IN UNIT SELECTOR HYBRID
We are excited to announce that the Gas Cooler calculation module is officially available in Unit Selector HYBRID. The module is available on demand for all Unit Selector Hybrid customers who request it, at an additional cost.
COILS 8.0 – BUILD 191011 – ADP & BYPASS FACTOR INTRODUCTION
We are pleased to announce you that Build 191011 of COILS is available to download for users under regular tech support. We have modified the Coils DLL calculation engine to introduce ADP (Apparatus Dew Point temperature) and bypass factor formula based on the work of R V Simha and Australian airah (airah.org.au) – see sources for info.
Unilab & München University of Applied Sciences – a winning partnership
Unilab is proud to announce its partnership with the MUAS – The University of Applied Sciences – Hochschule für angewandte Wissenschaften in München, which now uses our state of the art UNILAB COILS software, since October 2019.
Post r32 scenarios: what does the future hold?
R32 is one of the more recent refrigerant gases, used mainly in air-conditioning. Up until a few years ago it was considered a major step forward in the battle against global warming, but recent findings about the state of the earth’s atmosphere have led Europe to take steps to protect itself through various new legislation.
UNISUITE UPDATE BUILD 190911: NEW REFRIGERANTS, A NEW DLL.
Unilab is proud to announce the update of the Unisuite calculation DLL to include the latest refrigerants in the Refprop library. Our programs PHE, SHELL, TUBE IN TUBE, and COAX are now including our latest calculation DLL, and new refrigerants have been added, like R1234ze, R1234yf, R448A, R449A, R450A, R513A and many more.
Refrigerant line sizing – Part I: general principles and liquid lines
A successful refrigeration system depends on good refrigerant line design. Let’s find out more in this technical article!
Microfin tubes: are those always necessary and convenient?
Microfin tubes are widely used as enhanced surfaces: but are they always convenient?