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Air Cooling In Steam Plant Condenser Using Refrigeration System For Improving Vacuum Pump Performance
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Book Synopsis Air Cooling in Steam Plant Condenser Using Refrigeration System for Improving Vacuum Pump Performance by : Abraham Engeda
Download or read book Air Cooling in Steam Plant Condenser Using Refrigeration System for Improving Vacuum Pump Performance written by Abraham Engeda and published by . This book was released on 2018 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Modifying the steam plant condenser by incorporating a vapor compression refrigeration system, which is utilized to chill the water used for cooling the condenser air cooler, is proposed in this work. Hence a considerable drop in air temperature is obtained, and more steam associated with air is condensed resulting in reducing both steam lost and vacuum pump power. A thermodynamic analysis is developed for working out the performance of the proposed hybrid system. The results obtained using this analysis showed that for a condensate subcooling of 3¬∞C the total work saving due to this modification has maximums of 38.5, 33.9 and 28.9% and occur at temperature reduction below the condensate temperature of 12, 10, and 8¬∞C when the temperature of steam admitted to the condenser is 20, 30, and 40¬∞C, respectively. The savings in steam lost through the vacuum pump in these cases amount to 87.7, 84, and 79.2%, respectively. It is recommended to select the decrease in condenser air temperature in the range of 4¬∞C higher than those decreases, at which the minimum total work comes about, as the saving in steam lost becomes fairly greater (5,Äì7%), while the maximum increase in minimum total work is 3%.
Book Synopsis Steam Condensing Plant in Theory and Practice by : James Sim
Download or read book Steam Condensing Plant in Theory and Practice written by James Sim and published by . This book was released on 1925 with total page 298 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Review of the vacuum decay test in air-cooled steam condensers by : Hans Georg Schrey
Download or read book Review of the vacuum decay test in air-cooled steam condensers written by Hans Georg Schrey and published by GRIN Verlag. This book was released on 2019-03-06 with total page 19 pages. Available in PDF, EPUB and Kindle. Book excerpt: Polemic Paper from the year 2018 in the subject Engineering - System Science, , language: English, abstract: Condensing the capacity of air-cooled condensers is critical for proper functionality of steam cycles in power plants. Condensers operate in the low vacuum regime to promote the efficiency of power generation. Leakages enable ingress of ambient air into the steam cycle and thus impede condensation and power generation capacity. Therefore, vacuum tightness is essential for effective plant operation and must be verified by means of an acceptance test. The latest revision of the VGB acceptance test code for the air-cooled condenser (VGB-S-131) proposes a simple procedure to verify ample vacuum tightness and evacuation capacity. However, the following report will demonstrate that the informational value of test results in connection with the proposed procedure are to some extent questionable. They cannot stand for themselves but need to be accompanied by further information gathered from other tests, as for example thermal performance tests. This puts the usefulness of the test itself into question.
Book Synopsis Low-temperature Technologies by : Tatiana Morosuk
Download or read book Low-temperature Technologies written by Tatiana Morosuk and published by BoD – Books on Demand. This book was released on 2020-06-10 with total page 278 pages. Available in PDF, EPUB and Kindle. Book excerpt: Low-temperature technologies include the area of refrigeration and cryogenics. Since the beginning of theoretical developments and practical application, these technologies become a part of our life. Low temperatures have found application in almost all branches of industries as well as in households. These systems can be of very small capacity (few watts) up to hundreds of megawatts. In order to develop any of the technologies for successful practical application, very intensive theoretical and experimental research should be conducted. This book provides the reader with a comprehensive overview of the latest developments, perspectives, and feasibility of new low-temperature technologies and improvements of existing systems, equipment, and evaluation methods.
Book Synopsis Steam Condensing Plant by : John Evans
Download or read book Steam Condensing Plant written by John Evans and published by . This book was released on 1928 with total page 238 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Report of Current Standards for Condensers and Condensing System Pumps for Air-cooled Steam Power Plants by : R.W. Beck and Associates
Download or read book Report of Current Standards for Condensers and Condensing System Pumps for Air-cooled Steam Power Plants written by R.W. Beck and Associates and published by . This book was released on 1973 with total page 80 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effect of Uneven Cooling on Performance of Air-Cooled Condenser by : Hans Georg Schrey
Download or read book Effect of Uneven Cooling on Performance of Air-Cooled Condenser written by Hans Georg Schrey and published by GRIN Verlag. This book was released on 2018-04-04 with total page 27 pages. Available in PDF, EPUB and Kindle. Book excerpt: Scientific Essay from the year 2017 in the subject Physics - Thermodynamics, , course: Heat transfer engineering, language: English, abstract: Air-cooled condensers (“ACC”) operating in vacuum are widely used at the cold end of contemporary thermal power plants. Proper functioning of the condenser is paramount for power plant efficiency. To adapt to changing process conditions because of changed ambient air temperature or power station load ACC streets are either taken out of or into service or, module fan speed settings are selected appropriately. Even if all fans are running at same speed local variations of cooling air flow may arise as a consequence of e.g. fan location or local wind impact. The designer must ensure that no negative effect (i.e. no cold spot) may evolve at the steam side of the ACC caused by uneven air side cooling or fan control. The following note describes a theoretical method to assess the effect of air flow variations on ACC performance and provides simple rules to avoid potentially risky situations. An important role for safe operation plays the size of the secondary condenser. The procedure may be used as a guideline for proper sizing of the secondary condenser with respect to airflow maldistribution.
Book Synopsis Condensers and Auxiliaries by : C.H. Wheeler Manufacturing Company
Download or read book Condensers and Auxiliaries written by C.H. Wheeler Manufacturing Company and published by . This book was released on 1914 with total page 144 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Design of Evaporative Condenser with Arrangement for Easy Manual Descaling by : Vishal Sawale
Download or read book Design of Evaporative Condenser with Arrangement for Easy Manual Descaling written by Vishal Sawale and published by GRIN Verlag. This book was released on 2023-01-05 with total page 73 pages. Available in PDF, EPUB and Kindle. Book excerpt: Bachelor Thesis from the year 2018 in the subject Engineering - Mechanical Engineering, grade: 1, Savitribai Phule Pune University, formerly University of Pune, course: Bachelors in Mechanical Engineering, language: English, abstract: Evaporative cooling takes advantage of the potential of the outside air in dry climates to absorb moisture, which results in a temperature reduction of the air stream. But one of the major drawbacks is the continuous scale built up on condenser tubes which makes a barrier between tubes and water sprayed on them, which in turn drastically reduces the heat transfer. This results in a loss of plant efficiency and increases annual refrigeration costs as the compressor work increases for compensating the pressure drop due to scaling. In HVAC around 27% of worldwide energy is consumed only for different HVAC applications. This project mainly focuses on this problem statement, if the scale is 0.06mm then condenser performance decreases by 16%. A mainly evaporative condenser is used in different HVAC applications. In order to overcome this problem, regular maintenance of the condenser should be done by descaling the coils. Various descaling methods are being used in industries descaling like mechanical descaling, chemical descaling, etc. But manual descaling is preferred over other methods due to its simplicity, less cost, and reliability. Yet there are some problems in manual descaling like the number of rows of condensing tubes is very large in numbers and also the pitch between them is less so it becomes very difficult to reach the deep portion of the evaporative condenser in order to clean them thoroughly and effectively scale removal.
Book Synopsis Condensing Plant by : Rudolph John Kaula
Download or read book Condensing Plant written by Rudolph John Kaula and published by . This book was released on 1926 with total page 448 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Evaporating, Condensing and Cooling Apparatus by : Eugen Hausbrand
Download or read book Evaporating, Condensing and Cooling Apparatus written by Eugen Hausbrand and published by . This book was released on 1903 with total page 466 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Steam Condenser Air Extraction Apparatus by : Donald Edward Earl
Download or read book Steam Condenser Air Extraction Apparatus written by Donald Edward Earl and published by . This book was released on 1925 with total page 420 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Evaporating, Condensing and Cooling Apparatus by : E. Hausbrand
Download or read book Evaporating, Condensing and Cooling Apparatus written by E. Hausbrand and published by . This book was released on 1916 with total page 480 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Practical Engineer written by and published by . This book was released on 1909 with total page 898 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Standards by : Heat Exchange Institute
Download or read book Standards written by Heat Exchange Institute and published by . This book was released on 1947 with total page 50 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Modern Practice in Steam Condensing Plants by : Arthur Reginald Wright
Download or read book Modern Practice in Steam Condensing Plants written by Arthur Reginald Wright and published by . This book was released on 1928 with total page 348 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Cooling the Steam Power Plant Condenser Using a Vapor Compression Refrigeration System by : Yahya Ali Rothan
Download or read book Cooling the Steam Power Plant Condenser Using a Vapor Compression Refrigeration System written by Yahya Ali Rothan and published by . This book was released on 2017 with total page 181 pages. Available in PDF, EPUB and Kindle. Book excerpt:
