For decades, the DoD has employed numerous reporting and monitoring tools for characterizing the acquisition cost estimates of its programs. These tools have led to dozens of studies thoroughly documenting the magnitude and extent of DoD acquisition cost growth. However, little attention has been paid to the behavior of the other main cost component of a system's life cycle cost: Operating and ...

Datacenters are a signi cant capital expense formany enterprises. Yet, they aredifficult tomanage and are hard to design andmaintain. e initial design of a datacenter network tends to follow vendor guidelines, but subsequent upgrades and expansions to it are mostly ad hoc, with equipment being upgraded piecemeal a er its amortization period runs out and equipment acquisition is tied to budget c...

Cost issue always is one of most important issue for enterprise in building their IT platform. With the advance of various cloud environments, enterprise’s IT executive may have different consideration in constructing their IT platform. For example, constructing an own cloud environment or renting a computing platform from cloud providers. This paper the authors, based on the Net Present Value ...

Since the enactment of the Americans with Disabilities Act in 1991 operating expenses for Demand Responsive Transit have more than doubled as demand for this mandated service has expanded. Many advanced technologies and management practices have been proposed and implemented to improve the efficiency of the service; but, evidence for the effectiveness of these actions has been based upon projec...

The Fischer-Tropsch synthesis is a catalytic process that can produce a fuel similar to fossil fuels by using primary sources such as agricultural waste and carbon sources that can convert into synthesis gas by superheated steam. All fuel derivatives can be supplied through the Fischer-Tropsch reaction. The synthesis produces a variety of hydrocarbons via parallel and sequential reactions. Howe...

“How much does one minute of OR time cost?” is a question often asked in the operating room (OR) suite. We hear this question during cases that seem to be taking longer than they should, or when a missing piece of equipment delays the next step of the surgery. This question also arises if there is a last-minute cancellation that leaves the OR unexpectedly idle until another case can be assigned...