scholarly journals Modeling Simulation and Temperature Control on Thermal Characteristics of Airborne Liquid Cooling System

IEEE Access ◽  
2020 ◽  
Vol 8 ◽  
pp. 113112-113120
Author(s):  
Zhangzhi Dong ◽  
Xiaogang Li ◽  
Zhe Li ◽  
Yanyan Hou
Keyword(s):  
Temperature Control ◽  
Cooling System ◽  
Thermal Characteristics ◽  
Liquid Cooling ◽  
Modeling Simulation ◽  
Liquid Cooling System

Analysis and Design of Liquid-Cooling Systems Using Flow Network Modeling (FNM)

2003 ◽  
Author(s):  
Kanchan M. Kelkar ◽  
Suhas V. Patankar
Keyword(s):  
Cooling System ◽  
Network Modeling ◽  
Thermal Characteristics ◽  
Flow Distribution ◽  
Computer Applications ◽  
Liquid Cooling ◽  
Cooling Systems ◽  
Flow Network ◽  
Analysis And Design ◽  
Liquid Cooling System

Liquid cooling is used for thermal management of electronics in defense, power, medical, and computer applications due to the increasing power density and the desire for compact packaging. The objectives in the design of these systems are to create a sufficient amount of total flow and to appropriately distribute the flow so as to maintain the electronic component temperatures at the desired level. The technique of Flow Network Modeling (FNM) is ideally suited for the analysis of flow distribution and heat transfer in liquid-cooling systems. The FNM technique uses overall flow and thermal characteristics to represent the behavior of individual components. Therefore, solution of conservation equations over the network enables efficient prediction of the flow rates, pressures, and temperatures in a complete liquid-cooling system. This article describes the technical basis of the FNM technique and illustrates its application in the design of a distributed-flow cold plate and of a complete water-cooled system. The study demonstrates the utility of the FNM technique for rapid and accurate evaluation of different design options and the ensuing productivity benefits in the design of liquid cooling systems.

Multi-objective optimization of a chip-attached micro pin fin liquid cooling system

2021 ◽  
pp. 117187
Author(s):  
Vahideh Radmard ◽  
Yaser Hadad ◽  
Srikanth Rangarajan ◽  
Cong H. Hoang ◽  
Najmeh Fallahtafti ◽  
...  
Keyword(s):  
Cooling System ◽  
Multi Objective Optimization ◽  
Liquid Cooling ◽  
Multi Objective ◽  
Pin Fin ◽  
Liquid Cooling System

Study on Copper Cold Plate Designs for Electronics Liquid Cooling System

2006 ◽  
Author(s):  
Yi. Feng ◽  
Y. Wang ◽  
C. Y. Huang
Keyword(s):  
Heat Transfer ◽  
Thermal Performance ◽  
Cooling System ◽  
Pure Copper ◽  
Cold Plate ◽  
Performance Limits ◽  
Liquid Cooling ◽  
Cold Plates ◽  
Management Approaches ◽  
Liquid Cooling System

The increasing power consumption of microelectronic systems and the dense layout of semiconductor components leave very limited design spaces with tight constraints for the thermal solution. Conventional thermal management approaches, such as extrusion, fold-fin, and heat pipe heat sinks, are somehow reaching their performance limits, due to the geometry constraints. Currently, more studies have been carried out on the liquid cooling technologies, as the flexible tubing connection of liquid cooling system makes both the accommodation in constrained design space and the simultaneous cooling of multi heating sources feasible. To significantly improve the thermal performance of a liquid cooling system, heat exchangers with more liquid-side heat transfer area with acceptable flow pressure drop are expected. This paper focuses on the performance of seven designs of source heat exchanger (cold plate). The presented cold plates are all made in pure copper material using wire cutting, soldering, brazing, or sintering process. Enhanced heat transfer surfaces such as micro channel and cooper mesh are investigated. Detailed experiments have been conducted to understand the performance of these seven cooper cold plates. The same radiators, fan, and water pump were connected with each cooper cold plate to investigate the overall thermal performance of liquid cooling system. Water temperature readings at the inlets and outlets of radiators, pump, and colder plate have been taken to interpret the thermal resistance distribution along the cooling loop.

scholarly journals Design of a prototype of an engine mechanism with rotating cylinders

2020 ◽  
Vol 318 ◽  
pp. 01004
Author(s):  
Miroslav Blatnický ◽  
Ján Dižo
Keyword(s):  
High Speed ◽  
Cooling System ◽  
Ambient Air ◽  
Combustion Engines ◽  
Connecting Rod ◽  
Rotating Cylinders ◽  
Liquid Cooling ◽  
Working Cycle ◽  
Liquid Cooling System ◽  
Crank Mechanism

In this article, authors focus on the design and construction of a real prototype of an engine mechanism with rotating cylinders and its using mainly in piston combustion engines. It is assumed, that the normal force of a piston will be completely eliminated, because the swing angle of a connecting rod will equal to zero during the whole working cycle, since the connecting arm of the piston moves just the cylinder axis. It will by allowed by the conceptual design of the mechanism presented in this article. As rotating blocks of cylinders concurrently act as a flywheel, it is proposed, that in this way there is possible to save the mass of additional flywheels. Moreover, liquid cooling system is not necessary, because the rotating cylinders sufficiently transfer heat to ambient air. In addition, the output of torque will be reached without necessity of gear transmission, which results to decreasing of needs of mechanism lubrication. Other advance of the designed mechanism are two outputs. The first output is low-speed and it goes out from rotating cylinders, i. e. from the slider-crank mechanism with revolutions n1. The other output is high-speed, from the crankshaft with revolutions n2. Because of more favourable properties of the mechanism, authors have decided to create a real device to confirm all mentioned advantages of the mechanism by the suitable way.

scholarly journals The study of gas-liquid flow dynamics in the inclined-corrugated elements of cooling tower filler unit

2019 ◽  
Vol 126 ◽  
pp. 00031 ◽  
Author(s):  
lnur N. Madyshev ◽  
Aliya I. Khafizova ◽  
Oksana S. Dmitrieva
Keyword(s):  
Liquid Flow ◽  
Cooling Tower ◽  
Cooling System ◽  
Flow Dynamics ◽  
Stable Operation ◽  
Liquid Cooling ◽  
Two Phase ◽  
Liquid Drops ◽  
Gas Liquid Flow ◽  
Liquid Cooling System

This paper deals with the studies of cooling tower, operated with the contactless evaporative cooling technology. The authors developed the cooling tower with a three-flow liquid cooling system. The authors conducted the numerical studies of gas-liquid flow dynamics in the inclined-corrugated elements of checker filling unit that allows to give us an idea of two-phase flow structure, its movement throughout the checker filling, as well as to assess the influence of mode parameters on the efficiency of collecting the liquid drops and the range of stable operation of device. The most effective operation of this device is at the pressure drop of 100 Pa, while developing the average air flow rate in the element up to 3.2 m/s.

scholarly journals Creation of two-level liquid cooling system of PC

2017 ◽  
Vol 110 ◽  
pp. 01044
Author(s):  
Sergey V. Koynov ◽  
Egor A. Tarasov
Keyword(s):  
Cooling System ◽  
Liquid Cooling ◽  
Liquid Cooling System

scholarly journals Investigation of a Direct Liquid Cooling System in a Permanent Magnet Synchronous Machine

2020 ◽  
Vol 35 (2) ◽  
pp. 808-817 ◽  
Author(s):  
Ilya Petrov ◽  
Pia Lindh ◽  
Markku Niemela ◽  
Eero Scherman ◽  
Oskar Wallmark ◽  
...  
Keyword(s):  
Permanent Magnet ◽  
Cooling System ◽  
Synchronous Machine ◽  
Permanent Magnet Synchronous Machine ◽  
Liquid Cooling ◽  
Liquid Cooling System
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