scholarly journals A small shipborne desalination plant based on the principle of loop heat pipe

2020 ◽  
Vol 165 ◽  
pp. 01003
Author(s):  
Tongyao Miao ◽  
Zheng Fang ◽  
Lingzhi Feng ◽  
Yunhui Peng
Keyword(s):  
Energy Consumption ◽  
Heat Pipe ◽  
Fresh Water ◽  
High Energy ◽  
Loop Heat Pipe ◽  
Seawater Desalination ◽  
Low Energy Consumption ◽  
New Type ◽  
Emergency Equipment ◽  
High Energy Consumption

As is well-known, the problem of fresh water has always been a major problem for ocean navigation. The existing marine seawater desalination equipment generally has the disadvantages of large volume, high energy consumption and easy to pollute the environment. Based on this, we proposed a small seawater desalination system based on phase change to enhance heat transfer, which realized low temperature and low energy consumption by using the loop heat pipe technology, a new type of heat sink type spoiler evaporator and an integrated equal-heat plate fin condenser. The device is suitable for islands, fishing boats and other complicated areas where power is scarce and fresh water resources are scarce. It can also be used as fresh water emergency equipment for large ships, saving energy and being portable.

scholarly journals Small seawater desalination system based on loop heat pipe principle

2019 ◽  
Vol 118 ◽  
pp. 02034
Author(s):  
Yunhui Peng ◽  
Yuanzhou Zheng ◽  
Tongyao Miao ◽  
Peiru Zhou ◽  
Yangshi Shao ◽  
...  
Keyword(s):  
Control System ◽  
Energy Consumption ◽  
Water Resources ◽  
Heat Pipe ◽  
Electric Heating ◽  
Loop Heat Pipe ◽  
Seawater Desalination ◽  
Large Ship ◽  
New Type ◽  
Emergency Equipment

The small seawater desalination system based on loop heat pipe principle by using plate capillary pump technology, a new type of radiator spoiler evaporator and soaking plate finned condenser to realize desktop-class solar seawater desalination system. The Venturi tube principle is used to reduce the internal pressure and energy consumption, and solar photoelectric board with electric heating board function is used to solve problems for areas where there is a shortage of electricity and fresh water resources. Full automatic control system is used to realize the full automatic operation of the equipment.Desktop-class light and small seawater desalination equipment enjoys a broad market prospect. It can not only be used in islands, fishing boats, offshore operating platforms and other complex working scenarios, but also can be used as a large ship freshwater resources emergency equipment.

scholarly journals Research on the Defrosting System of Refrigerated Containers Combining Air and Electro-Thermal Energy and the Controlling Strategy

2021 ◽  
Vol 248 ◽  
pp. 02058
Author(s):  
Kaitai Hua
Keyword(s):  
Energy Consumption ◽  
Thermal Energy ◽  
Pressure Change ◽  
High Energy ◽  
Structural Features ◽  
Low Energy ◽  
Wind Pressure ◽  
Long Duration ◽  
Low Energy Consumption ◽  
High Energy Consumption

Considering the problems such as long duration of defrosting, low working reliability and high energy consumption of refrigerated containers, this paper put forward a new defrosting method combining air and electro-thermal energy, and designed a new defrosting structure system based on the structural features of refrigeration modules of refrigerated containers. The two-variable method of wind pressure change and temperature difference change on both sides of the evaporator was used to detect frosting, and the specific controlling strategy supporting the new defrosting system was provided to realize the effect of intelligent defrosting. It can provide references for fast defrosting, intelligent defrosting and low energy consumption defrosting of refrigerated containers.

scholarly journals Reducing of Energy Consumption by Improving the Reclaiming Technology in Autoclave of a Rubber Wastes

Energies ◽  
2019 ◽  
Vol 12 (8) ◽  
pp. 1460 ◽  
Author(s):  
Dan Dobrotă ◽  
Gabriela Dobrotă
Keyword(s):  
Mechanical Properties ◽  
Energy Consumption ◽  
Mechanical Characteristics ◽  
Physical And Mechanical Properties ◽  
High Energy ◽  
Refining Process ◽  
It Use ◽  
Rubber Waste ◽  
New Type ◽  
High Energy Consumption

The devulcanization of the rubber wastes in autoclave represent a technological variant that allows the superior utilization of rubber wastes, but with high energy consumption. The researches aimed at improving the devulcanization technology in order to obtain reclaimed rubber with superior characteristics, but also with a reduction in energy consumption. An improvement to devulcanization technology consisted in vacuuming the autoclave at the end of the devulcanization process. An increase in the degree of devulcanization of the rubber from 86.83% to 93.81% and an improvement of the physico-mechanical characteristics of the reclaimed rubber was achieved by applying this technology. The realization of the new type of regenerated rubber allowed for an increase in the degree of it use for different mixtures, from 15–20 phr to 30–40 phr without substantially affecting the physical and mechanical properties of the products. Additionally, the researche has shown that, by obtaining the new type of reclaimed rubber, the duration of the refining process has been reduced by 30%. All of this leads to a considerable reduction in energy consumption and transformation of the rubber waste reclaiming process into a sustainable one.

Harmonic Analyzing and Filtering of Motor Discrete Variable Frequency Soft Starter

2015 ◽  
Vol 713-715 ◽  
pp. 1401-1404
Author(s):  
Xing Yu Song ◽  
Jing Chen ◽  
Qing Wang ◽  
Shi Jie Deng
Keyword(s):  
Energy Consumption ◽  
High Energy ◽  
Signal Interference ◽  
Variable Frequency ◽  
Discrete Variable ◽  
Soft Starter ◽  
Low Energy Consumption ◽  
Heavy Loads ◽  
High Energy Consumption ◽  
Filtering Approach

A large number of harmonic is mainly produced by with the discrete variable frequency soft starter. The harmonic during the motor soft starting is characterized by the high energy consumption and signal interference. Therefore, harmonic analyzing and filtering of motor discrete variable frequency soft starter is presented in this paper to achieve low energy consumption and ensure the motor soft starting stably. The following works have been done in the study: introduce the reason of harmonics appearance, analyze the harmonic, and present the filtering approach. The motor soft starter developed with this filtering approach has been successfully applied to filter out harmonic and to improve the starting performance when the motors draw the heavy-loads. It saves energy, stabilize the voltage of the power supply network.

scholarly journals Energy-Aware VM Initial Placement Strategy Based on BPSO in Cloud Computing

2018 ◽  
Vol 2018 ◽  
pp. 1-10 ◽  
Author(s):  
Xiong Fu ◽  
Qing Zhao ◽  
Junchang Wang ◽  
Lin Zhang ◽  
Lei Qiao
Keyword(s):  
Cloud Computing ◽  
Energy Consumption ◽  
High Energy ◽  
Binary Particle Swarm Optimization ◽  
Vm Placement ◽  
Energy Aware ◽  
Low Energy Consumption ◽  
Initial Placement ◽  
And Storage ◽  
High Energy Consumption

In recent years, high energy consumption has gradually become a prominent problem in a data center. With the advent of cloud computing, computing and storage resources are bringing greater challenges to energy consumption. Virtual machine (VM) initial placement plays an important role in affecting the size of energy consumption. In this paper, we use binary particle swarm optimization (BPSO) algorithm to design a VM placement strategy for low energy consumption measured by proposed energy efficiency fitness, and this strategy needs multiple iterations and updates for VM placement. Finally, the strategy proposed in this paper is compared with other four strategies through simulation experiments. The results show that our strategy for VM placement has better performance in reducing energy consumption than the other four strategies, and it can use less active hosts than others.

Design of an Intelligent Bean Sprout Incubator Based on MSP430 SingleChip Computer

2011 ◽  
Vol 186 ◽  
pp. 105-109
Author(s):  
Han Ying Huang ◽  
Tao Yin ◽  
Si Ming Zhao ◽  
Shan Bo Xiong ◽  
Xiao Yu Li ◽  
...  
Keyword(s):  
Energy Consumption ◽  
Temperature Control ◽  
High Energy ◽  
Slow Heating ◽  
Single Chip ◽  
Fast Heating ◽  
Bean Sprout ◽  
Single Chip Computer ◽  
Low Energy Consumption ◽  
High Energy Consumption

At present, there exist a lots of problems in general bean sprout incubators such as uneven spray, water wasting, slow heating, high energy consumption, inaccurate temperature control and so on. To solve these problems, an intelligent bean sprout incubator has been developed based on MSP430 Single Chip Computer. The incubator has advantages of humidity uniformity, water saving, fast heating, low energy consumption, and precise temperature control.

Structure Adjustment and Sustainable Growth in Hebei Province with the Bondage of Energy Resources and Environment

2010 ◽  
Vol 44-47 ◽  
pp. 3164-3168
Author(s):  
Qun Li Wu
Keyword(s):  
Energy Consumption ◽  
High Growth ◽  
High Energy ◽  
Sustainable Growth ◽  
Hebei Province ◽  
Low Energy ◽  
Low Energy Consumption ◽  
High Pollution ◽  
Energy Consumptions ◽  
High Energy Consumption

With the datum of output, energy consumptions and environment pollutions of 36 industries of HeBei Province during the period of 2005-2007, we first calculated the marginal values of GDP contributions, energy consumptions and environment damages each industry played on the whole provincial economy. Compared with the average values, the industries were further divided into four groups with the method of Four Quadrants, which are the ones of (High-Growth-Contribution, High-Energy-Consumption or High-Pollution), (Low-Growth-Contribution, High-Energy-Consumption or High-Pollution)), (Low-Growth –Contribution , Low-Energy-Consumption or Low-Pollution), (High-Growth–Contribution , Low-Energy-Consumption or Low-Pollution). Based on this division, we put forward the suggestions of structural adjustment for each group of industries in views of sustainable development.

Subei Urban Residential Developments in Thermal Comfort Problem

2014 ◽  
Vol 641-642 ◽  
pp. 1029-1032
Author(s):  
Jin Wang
Keyword(s):  
Energy Consumption ◽  
Thermal Comfort ◽  
High Energy ◽  
Low Energy ◽  
High Tech ◽  
High Grade ◽  
The North ◽  
Residential Developments ◽  
Low Energy Consumption ◽  
High Energy Consumption

Many residents are superstitious so-called high-tech residential, see the technology will bring the thermal comfort, in fact, some high-tech residential only additional high-grade HVAC facility, the thermal comfort should not advocate in the northern Jiangsu area, after all, this is a high energy consumption of thermal comfort. In the north of Jiangsu Province, should promote low energy consumption of thermal comfort residential.

Oxygen Supply Method Using Gas-Permeable Film for Wastewater Treatment

1993 ◽  
Vol 28 (7) ◽  
pp. 243-250 ◽  
Author(s):  
Y. Suzuki ◽  
S. Miyahara ◽  
K. Takeishi
Keyword(s):  
Wastewater Treatment ◽  
Energy Consumption ◽  
Oxygen Transfer ◽  
Transfer Rate ◽  
Oxygen Supply ◽  
Oxygen Transfer Rate ◽  
High Energy ◽  
High Rate ◽  
N Removal ◽  
High Energy Consumption

Gas-permeable film can separate air and water, and at the same time, let oxygen diffuse from the air to the water through the film. An oxygen supply method using this film was investigated for the purpose of reducing energy consumption for wastewater treatment. The oxygen transfer rate was measured for the cases with or without biofilm, which proved the high rate of oxygen transfer in the case with nitrifying biofilm which performed nitrification. When the Gas-permeable film with nitrifying biofilm was applied to the treatment of wastewater, denitrifying biofilm formed on the nitrifying biofilm, and simultaneous nitrification and denitrification occurred, resulting in the high rate of organic matter and T-N removal (7 gTOC/m2/d and 4 gT-N/m2/d, respectively). However, periodic sloughing of the denitrifying biofilm was needed to keep the oxygen transfer rate high. Energy consumption of the process using the film in the form of tubes was estimated to be less than 40% of that of the activated sludge process.

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