New Sorption Cycles for Heat and/or Cold Production Adapted for Long Distance Heat Transmission

2002 ◽  
Author(s):  
B. Spinner ◽  
D. Stitou ◽  
N. Mazet
Keyword(s):  
Chemical Process ◽  
Thermal Contact ◽  
Gas Transfer ◽  
Heat Transmission ◽  
Long Distance ◽  
Physical Chemical ◽  
New Process ◽  
Endothermic Process

The analysis of the combinations of dipoles, linked by a gas transfer between an endothermic element and an exothermal element, through an exothermal physical-chemical process in thermal contact with an other endothermic process, is the basis of a new process for the transmission at long distance of heat/cold production. The yield of such cycles is identified through the values of the unused exergy, the untapped exergy and the exergy which is produced in excess by the process.

scholarly journals Installasi Base Transceiver Station (BTS) untuk Jaringan Node B pada Operator Hutchison 3 Indonesia (H3I)

2015 ◽  
Vol 11 (1) ◽  
pp. 78
Author(s):  
Uzma Septima ◽  
Lince Markis
Keyword(s):  
Receive Signal ◽  
Network Operator ◽  
Long Distance ◽  
New Process ◽  
Station Base ◽  
Communication Links ◽  
Distance Communication ◽  
Base Transceiver Station ◽  
In Transit ◽  
Made In

Base Transceiver Station is a device used to connect mobile-phone or smartphone in order to make long-distance communication, although in doing the movement or in transit from one place to another. Installation Base Transceiver Station for Network Node B At the operator Hutchison 3 Indonesia is done to make the operator Hutchison 3 Indonesia signal received by the phone for the better and not dashed when the user performs long-distance communication links with conditions in performing the movement or in the course of one place to another. Methods beginning the process of physical installation of Base Transceiver Station for Node B network in the operator Hutchison 3 Indonesia and order all the Base Transceiver Station can live well after the battery is connected to a rectifier and the required accuracy when performing the installation Base Transceiver Station. Furthermore, the integration process or Commissioning of the Base Transceiver Station for Node B network operator Hutchison 3 Indonesia on this in order to actively and After Commissioning obtained Receive Signal Level sectoral antennas of -59 dBm which can emit a signal as far as 7 km to 8 km , after the new process or Pointing connection between this new Base Transceiver Station Base Transceiver Station with preexisting and Pointing between Siak new Base Transceiver Station Base Transceiver Station Perawang with Perawang Students who have a distance of 5 km Receive Signal level of -32.4 dBm made in accordance with a budget link provided operator Hutchison 3 Indonesia is -30 dBm to -40 dBm.

Basic Strategy of Health Monitoring on Submarine Pipeline by Distributed Optical Fiber Sensor

2003 ◽  
Author(s):  
Wei-Liang Jin ◽  
Jian-Wen Shao ◽  
En-Yong Zhang
Keyword(s):  
Optical Fiber ◽  
Oil And Gas ◽  
Optical Fiber Sensor ◽  
Fiber Sensor ◽  
Gas Transfer ◽  
Pipeline System ◽  
Submarine Pipeline ◽  
Long Distance ◽  
Distributed Optical Fiber Sensor ◽  
Distributed Optical Fiber

Submarine pipeline system is a main pattern in collection and transmission of offshore oil and gas, which sends oil and gas from offshore oil/gas field to land, and it plays an important role in the production of oil and gas. Because of the complicated and harsh condition in which pipeline system works, such as impulsion, corrosion and free-spanning vibration, failure of submarine pipeline system occurs occasionally, it causes oil leakage, environment pollution and economic losses. Health monitoring is a feasible and effective manner to ensure submarine pipeline safe and reliable during service, especially when all factors affecting pipeline failure are not still entirely realized or controlled. The basic strategy of a new real-time monitoring system for long distance submarine pipeline is introduced in this paper, which has the function of diagnosis and auto-alarm. In this system, a new distributed optical fiber sensor (DOFS), which uses optical time domain reflectometry theory based on Brillouin backscatter, is applied to monitor the strain and temperature along the pipeline. To be used for long distance submarine pipeline, this system applies Wavelength Division Multiplex (WDM) technology and series DOFSs in series so as to extend the measure scope for long distance submarine pipeline. By using signal processing system to analyze the outcome data of sensor, the strain along the pipeline can be obtained. If the strain reaches the alarm setting, the system will send out caution and meanwhile accurately give the damage position. The system can also analyses vibration frequency of pipeline, if free-spanning vibration occurs, caution will also be given, so that the operator can take some measures in time to avoid the failure of pipeline. In this paper, the makeup of distributed optical fiber sensor and developing principle are specified, system development, application and construction in engineering are analyzed as well. The brand new practical system can not only be used for submarine oil and gas pipeline but also for land oil and gas transfer system, city coal gas transfer system, electricity-transmission cable and so on. This system can be widely used in many prospects of other industries.

scholarly journals Treatment of high arsenic content wastewater by a combined physical–chemical process

2011 ◽  
Vol 379 (1-3) ◽  
pp. 116-120 ◽  
Author(s):  
Hong-Jie Wang ◽  
Wen-Xin Gong ◽  
Rui-Ping Liu ◽  
Hui-Juan Liu ◽  
Jiu-Hui Qu
Keyword(s):  
Chemical Process ◽  
Arsenic Content ◽  
Physical Chemical ◽  
High Arsenic

scholarly journals Grinding efficiency increase through physical – chemical processes control in “tool-billet” contact

2016 ◽  
Vol 1 (5) ◽  
pp. 24-29
Author(s):  
Борис Бржозовский ◽  
Boris Brzhozovskiy ◽  
Андрей Славин ◽  
Andrey Slavin
Keyword(s):  
Process Control ◽  
Chemical Process ◽  
Chemical Properties ◽  
Chemical Processes ◽  
Grinding Process ◽  
Physical Chemical ◽  
Efficiency Increase ◽  
Grinding Efficiency ◽  
The Impact ◽  
Chemical Process Control

The ways to increase grinding effectiveness by means of physical –chemical process control in a “disk-billet” contact are considered. The impact of physical-chemical properties of cutting emulsion (CE) upon grinding basic indices is shown. The hierarchical threshold structure of a grinding process based on a neuronet model allowing automating the machining techniques designing is offered.

scholarly journals Green engineering principles and application: bioremediation

2021 ◽  
Vol 1 (3) ◽  
pp. 1-8
Author(s):  
Tony Hadibarata ◽  
Bieby Voijant Tangahu
Keyword(s):  
Heavy Metals ◽  
Hazardous Waste ◽  
Chemical Process ◽  
Biological Process ◽  
Future Prospect ◽  
Green Approach ◽  
Physical Technique ◽  
Physical Chemical ◽  
Additional Equipment ◽  
Remediation Process

The adulteration of the environment by hazardous waste, such as heavy metals, nuclear wastes, hydrocarbons, pesticides and greenhouse gases is the major serious problem which need to be reduced. Common remediation technique such as physical, chemical and biological process are being applied. Chemical process can transform and change organic contaminant of interest which is not sufficient to clean the environment, while physical technique requires additional equipment. Thus, bioremediation exist as green approach to eliminate the hazardous waste in the environment. In this review, bioremediation is comprehensively presented. Remediation process types, challenges, limitations, mechanisms, and future suggestion has been elaborated to develop bioremediation technology for future prospect.

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