This paper deals with resource unconstrained project scheduling problems with the objective of maximizing the net present value (NPV) of project cash flows. Here we present a heuristic algorithm named as differential procedure (Dif_AOA). In order to evaluate the efficiency of this algorithm, networks with node numbers between 10-1000 and network complexity coefficients between 1.3-6.6 have be...

Today's competitive conditions have caused the projects to be carried out in the least possible time with limited resources. Therefore, managing and scheduling a project is a necessity for the project. The timing of a project is to specify a sequence of times for a series of related activities. According to their priority and their latency, so that between the time the project is completed and ...

In this paper, we present a new software package, TAT, that allows the statistical study of the IP traffic transmitted trough an Internet node. This tool has been successfully tested under a work carried out in a subnet of the regional network of Murcia (Spain) called Ciez@net. Cieza is a village of 30,000 people where the pilot network Ciez@net intends to bring these people the opportunity to ...

Approximately eight thousand dolla rs lias been accumula ted toward the bui ld ing of a s tuden t co-operative S t o r e ito.ee Its Inception. According to the audi ted repor t , the present net worth of the Co Op agg r e g a t e $23 864.50, as follows: Cash, $8,81)7.7?); m e f e h a n d U e Inventory, $14,270.08; accounts receivable, $140.20; fu rn i tu re and fixtures, »!,• 547,58. The net in...

this paper presents a comprehensive theoretical, experimental, and economic study on the application of nanofluids as heat transfer fluid in waste heat recovery systems. the research work was conducted in a steel-making complex in which a plate heat exchanger had been used to recover heat from hot process water. the system was theoretically modelled and the effects of using nanofluids as heat t...

The comparison of design alternatives is a common design task for food process engineers. Foods Operations Oriented Design System Block Library (FOODS-LIBÓ) in conjunction with its economic analysis program (ECONANAL) can be used in this capacity. To demonstrate how FOODS-LIB can be used in a time ecient manner to perform analysis of design alternatives, a case study was conducted in which ®ve...