Glossary

Valves

Valves are used to control the inlet and outlet of gases and fluids. With them, a flow direction can be measured and controlled. For Data Centres, control valves in cooling systems are of concern as they can be used to set the flow and the direction of the flow.

Vaporisation

Vaporisation is a cooling method. The draining of the vapour via a liquid effects a cooling effect. The vapour pressure on the liquid’s surface is created by atoms or molecules with a higher kinetic energy.

VCloud Director

“VMware vCloud Director” might be used so that service providers allocate differenciated cloud services. It offers excellent support of hybride solutions for the enterprise class of companies. vCloud Director can be accessed via the vCloud Air...

Veeam-Technologies

Veeam Software is a Swiss software provider founded in 2006. The company offers software for data storage, data recovery and virtualisation management. Virtualisation management is their strongpoint – the “VE” in the company name shall point to...

Vendor Lock-in

With a vendor lock-in, the customer ties himself to a service provider in a cloud. The vendor lock-in makes a change of the cloud provider is extremely difficult and cost-intensive. The reason is that there are provider-independent protocols, APIs, data structures and...

Ventilation Plates

First and foremost, ventilation plates refer to those plates used in an access floor and possess a defined “free cross-section” through perforation or slotting. They ensure that the statical pressure in the access floor lets through a previously calculated...

Ventilation System

A ventilation system is a device that provides residential and business premises with outside air and sees to ventilating stale air. Depending on the application, there are systems with controlled air intake (air intake system), controlled exhaust (exhaust air system)...

Ventilation Technology

The ventilation technology is used to mechanically provide air to the specific room areas. This includes systems that execute an air ventilation with outdoor air (room-specific systems with ventilation function) and systems circulating existing air (room-specific...

Ventilator

The term ventilator is derived from the Latin word “ventulus” meaning light wind or gentle breeze. It is a continuous flow machine operated by an electric motor that – through a rotor – conveys and densifies a gaseous medium. Between intake and...

Venture Capital

The term “venture capital” (VC) describes an investment in a startup that includes a comparatively high risk of a (partial) loss of the capital.