Optimizing the cost of DBaaS object placement in hybrid storage systems

2019 ◽  
Vol 93 ◽  
pp. 176-187 ◽  
Author(s):  
Djillali Boukhelef ◽  
Jalil Boukhobza ◽  
Kamel Boukhalfa ◽  
Hamza Ouarnoughi ◽  
Laurent Lemarchand
Keyword(s):  
Storage Systems ◽  
Hybrid Storage ◽  
The Cost

A machine learning assisted data placement mechanism for hybrid storage systems

2021 ◽  
pp. 102295
Author(s):  
Jinting Ren ◽  
Xianzhang Chen ◽  
Duo Liu ◽  
Yujuan Tan ◽  
Moming Duan ◽  
...  
Keyword(s):  
Machine Learning ◽  
Storage Systems ◽  
Data Placement ◽  
Hybrid Storage

Pitch-based carbon fibers: preparation and applications

2021 ◽  
Vol 19 (3) ◽  
pp. 159-169
Author(s):  
B. B. Kaidar ◽  
G.T. Smagulova ◽  
A.A. Imash ◽  
S. Zhaparkul ◽  
Z.A. Mansurov
Keyword(s):  
Composite Materials ◽  
Electrical Properties ◽  
Carbon Fibers ◽  
Storage Systems ◽  
Raw Materials ◽  
Coal Tar ◽  
Commercial Use ◽  
Mechanical And Electrical Properties ◽  
Reinforced Composite ◽  
The Cost

Attention to carbon fiber (CF) conditioned by their unique physicochemical, mechanical and electrical properties, which makes them in demand in various fields of activity. Today there are several kinds of carbon fibers, most of which (about 90%) are made of polyacrylonitrile (PAN). Despite the fact that carbon fibers are produced from several types of different precursors, their widespread commercial use is limited by the high cost of the product. Has, many research and engineering group seek to reduce the cost of production by using cheap carbon raw materials. A likely solution to this problem is the exploitation of coal, petroleum and coal tar as an effective progenitor for CF production. This review discusses neoteric accomplishment in CF synthesis using various carbon pitches. The possibility of obtaining carbon fibers based on resin with the addition of PAN is presented, and the prospects for their use in energy storage systems and various reinforced composite materials are described in detail.

Optimal Control of Solar Heating and Off-Peak Energy Storage Installations

1983 ◽  
Vol 105 (1) ◽  
pp. 50-57
Author(s):  
G. B. Winn ◽  
R. C. Winn
Keyword(s):  
Storage Systems ◽  
Control Strategies ◽  
Solar Heating ◽  
Electric Resistance ◽  
Cooling Systems ◽  
Heating Systems ◽  
Peak Energy ◽  
Electric Resistance Heating ◽  
Utility Cost ◽  
The Cost

It is well known that the widespread use of solar heating or cooling systems could lead to an increase in the cost of supply of power by the electric utilities. However, it is also recognized that by using appropriate control strategies in these systems the cost of supply may be reduced relative to that of electric resistance heating systems. Control strategies for solar heating systems and for off-peak heat storage systems have been developed and investigated in terms of utility cost of supply for the year 1990. This paper includes a discussion of results obtained for off-peak storage systems, solar heating systems, and combined solar and off-peak systems for the area served by Public Service Co. of New Mexico.

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