Use of additional cooling of oil transformers in the joint operation of thermoelectric converters and ground-coupled heat exchangers

doi:10.14529/power180108

Use of additional cooling of oil transformers in the joint operation of thermoelectric converters and ground-coupled heat exchangers

Bulletin of the South Ural State University series Power Engineering ◽

10.14529/power180108 ◽

2018 ◽

Vol 18 (1) ◽

pp. 61-67

Keyword(s):

Heat Exchangers ◽

Joint Operation ◽

Thermoelectric Converters

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Determination of creep mechanisms in various silicon carbides via TEM

Proceedings, annual meeting, Electron Microscopy Society of America ◽

10.1017/s0424820100143973 ◽

1986 ◽

Vol 44 ◽

pp. 484-487

Author(s):

C. H. Carter ◽

J. E. Lane ◽

J. Bentley ◽

R. F. Davis

Keyword(s):

Heat Exchangers ◽

Sintered Material ◽

Polycrystalline Material ◽

Chemical Vapor ◽

Graphite Substrate ◽

Second Phase ◽

Reaction Bonding ◽

Creep Mechanisms ◽

Porous Sic

Silicon carbide (SiC) is the generic name for a material which is produced and fabricated by a number of processing routes. One of the three SiC materials investigated at NCSU is Norton Company's NC-430, which is produced by reaction-bonding of Si vapor with a porous SiC host which also contains free C. The Si combines with the free C to form additional SiC and a second phase of free Si. Chemical vapor deposition (CVD) of CH3SiCI3 onto a graphite substrate was employed to produce the second SiC investigated. This process yielded a theoretically dense polycrystalline material with highly oriented grains. The third SiC was a pressureless sintered material (SOHIO Hexoloy) which contains B and excess C as sintering additives. These materials are candidates for applications such as components for gas turbine, adiabatic diesel and sterling engines, recouperators and heat exchangers.

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Joint Operation Dalam Studi Kualitatif

Jurnal Karkasa ◽

10.32531/jkar.v3i1.24 ◽

2017 ◽

Vol 3 (1) ◽

pp. 1

Author(s):

Arman Jayady

Keyword(s):

Joint Operation ◽

Face To Face ◽

Global Data

Formasi joint operation (JO) antara perusahaan jasa konstruksi asing dan perusahaan jasa konstruksi lokal bukanlah bentuk kemitraan yang baru di Indonesia. JO telah diimplementasi di Indonesia melalui regulasi pemerintah sejak tahun 1991. Melalui formasi JO perusahaan jasa konstruksi lokal diharapkan mampu meningkatkan kapasitas internalnya sehingga dapat meningkatkan daya saing perusahaan jasa konstruksi lokal baik pada pasar domestik maupun global. Data yang dihimpun dari sumber terkait menunjukkan bahwa adanya tren peningkatan proyek konstruksi yang diselenggarakan melalui formasi JO di Indonesia. Hampir tiga dekade JO diimplementasi, namun hingga kini belum diperoleh kejelasan terhadap varian JO yang ada di Indonesia. Untuk memenuhi kuriositas tersebut, penelitian ini secara khusus bertujuan untuk mengeksplorasi varian JO dan karakteristiknya di Indonesia. Studi kualitatif dengan wawancara semi-terstruktur face to face dilakukan dalam penelitian ini dengan melibatkan beberapa praktisi berpengalaman dan berkompeten sehubungan JO di Indonesia. Hasil studi menunjukkan bahwa teridentifikasi dua varian JO bila ditinjau dari perspektif pengendalian proyek dan tiga varian JO bila ditinjau dari perspektif pengelolaan modal kerja.

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