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P.R. Chavan,Ummid Shaikh
Pág. 171 - 180
The theoretical study of steady, one-dimensional, isentropic, compressible fluid flow suggests that a convergent-divergent passage is required for accelerating a compressible fluid to supersonic velocities. It also reveals that along with pressure, tempe...
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Kun-Ying Li, Win-Jet Luo and Shih-Jie Wei
This study presents a multiphysics simulation analysis that was performed for the cooling channel of a built-in spindle. The design of experiments (DOE) method was employed to optimize the dimension of the cooling channel, and a practical machining exper...
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Dian Ridlo Pamuji,Muhammad Abdul Wahid,Abdul Rohman,Achmad As?ad Sonief,Moch Agus Choiron
Pág. 44 - 55
A research was conducted for the optimization of the turning process st 60 tool steel with multiple performance characteristics based on the orthogonal array with Taguchi-WPCA method. Minimum Quantity Cooling Lubrication (MQCL) metode was applied as a co...
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Ji Hye Kim, Dae Uk Shin and Heegang Kim
Data centers are energy-intensive facilities, with over 95% of their total cooling load attributed to the heat generated by information technology equipment (ITE). Various energy-saving techniques have been employed to enhance data center efficiency and ...
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G.D. Joubert, R.T. Dobson
The as-built and tested passive night-sky radiation cooling/heating system considered in this investigation consists of a radiation panel, a cold water storage tank, a hot water storage tank, a room and the interconnecting pipework. The stored cold water...
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Holger Fichtl, Frank Steinert
Pág. 2554 - 2563
The Fraunhofer Institute for Transportation and Infrastructure (IVI) developed a method and matching tools (IVIsion and IVInet) that analyzes and evaluates individual bus routes or entire bus route networks regarding their suitability for electric buses....
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Yan Dwi Pratama,Niken Sari Kiss Arimbi,Muhammad Sefriza Toriq Hidayat,Fajar Septiawan Dwi Anggoro,Aisyah Nur Khalifah,Agung Prijo Budijono
Pág. 57 - 63
The purpose of this study is to provide solutions to problems that exist in SMEs Cow Milk Momoo, especially the problem of production process that the process is still using the traditional way and the tool is still relatively simple.The method used is t...
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Sergio J. C. Do Carmo, Pedro M. De Oliveira and Francisco Alves
The present work describes an experimental system enabling temperature measurement in cyclotron targets? cooling water during bombardment. The developed system provides sensible and immediate response to variations of irradiation conditions during bombar...
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Xinmin Feng, Xiwen Fan, Jingshu Hu and Jiaxuan Wei
The GH4169 superalloy has the characteristics of high strength, strong thermal stability, large specific heat capacity, small thermal conductivity, etc., but it is also a typical hard-to-cut material. When cutting this material with ordinary cutting tool...
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Santosh Madival, Manjunath Lingappa Halappa, Mohammed Riyaz Ahmed, Lokesha Marulaiah
Pág. 132 - 139
In the machining industry, coolant has an important role due to their lubrication, cooling and chip removal functions. Using coolant can improve machining process efficiency, tool life, surface quality and it can reduce cutting forces and vibrations. How...
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Antonio Jiménez Ramos,Aníbal Borroto Nordelo,Milagro Montesino Pérez,Julio Rafael Gómez Sarduy,Yulier Jiménez Santana,Fidel Sosa Núñez
Pág. 220 - 229
El presente trabajo, muestra el desarrollo de una herramienta, para el mejoramiento energético, de los procesos de extrusión de tuberías plásticas, mediante la modelación del proceso de transferencia de calor, en estado transitorio, empleando para la sol...
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Kai Dresia, Eldin Kurudzija, Jan Deeken and Günther Waxenegger-Wilfing
Accurate calculations of the heat transfer and the resulting maximum wall temperature are essential for the optimal design of reliable and efficient regenerative cooling systems. However, predicting the heat transfer of supercritical methane flowing in c...
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Rúben Meireles, Leandro Magalhães, André Silva and Jorge Barata
The present paper describes a tool developed in-house for the modeling of free-falling water droplet cooling processes. A two-way coupling model is employed to account for the interactions between the droplets and the carrier fluid, following a Eulerian?...
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Xenofon Trompoukis, Konstantinos Tsiakas, Varvara Asouti, Marina Kontou and Kyriakos Giannakoglou
This paper presents an adjoint-based shape optimization framework and its demonstration in a conjugate heat transfer problem in a turbine blading. The gradient of the objective function is computed based on the continuous adjoint method, which also inclu...
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Matthew Courtis, Alexander Murray, Ben Coulton, Peter Ireland and Ignacio Mayo
To meet the challenges of increased thermal loads and performance demands on aero-engine turbine blades, more advanced cooling techniques are required. This study used a modification of the well-known Goldstein equation to predict film effectiveness for ...
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Muataz Dhaif and André Stephan
In hot and humid climatic conditions, cooling tends to dominate building thermal energy use. Cooling loads can be reduced through the adoption of efficient building envelope materials, such as Structural Insulated Panels (SIPs). This study quantifies the...
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Paulo Carteri Coradi, Angelo Francisco Calegare Lemes
Pág. e36949
The aim of this study was to size up and evaluate a fixed bed experimental silo-dryer-aerator with four static grain drying cells for segregation lots, through simulations with mathematical equations and a computational fluid dynamics (CFD) system. The a...
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Paulo Carteri Coradi, Angelo Francisco Calegare Lemes (Author)
Pág. e36949
The aim of this study was to size up and evaluate a fixed bed experimental silo-dryer-aerator with four static grain drying cells for segregation lots, through simulations with mathematical equations and a computational fluid dynamics (CFD) system. The a...
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Luciano De Tommasi, Hassan Ridouane, Georgios Giannakis, Kyriakos Katsigarakis, Georgios N Lilis and Dimitrios Rovas
This paper presents work undertaken as part of the European H2020 project OptEEmAL (Optimized Energy Efficient Design Platform for Refurbishment at District Level), toward development of a decision-support platform for building and district refurbishment...
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Mahros Darsin,Timotius Pasang,Zhan Chen
Pág. 23 - 30
This paper concerns on drillability of Ti-6Al-2Sn-4Zr-6Mo (Ti-6246) from the point view of thrust force (Fz) & torque (Mz) using a TiAlN CVD coated carbide tool. The condition of the material was varied with three different heat treatments. Whereas, the ...
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