2 edition of Marine surface condenser design using vertical tubes which are enhanced found in the catalog.
by Massachusetts Institute of Technology
Written in English
Surface condensers for process industries are usually smaller than power plant condensers and may contain a region for desuper-heating the incoming vapor. Unlike power plant condensers, they may also be designed to subcool the condensate. Selection and Design of Condensers 1. GBH Enterprises, Ltd. Process Engineering Guide: GBHE-PEG-HEA Selection and Design of Condensers Information contained in this publication or as otherwise supplied to Users is believed to be accurate and correct at time of going to press, and is given in good faith, but it is for the User to satisfy itself of the suitability of the information .
fundamentals of heat exchanger design Download fundamentals of heat exchanger design or read online books in PDF, EPUB, Tuebl, and Mobi Format. Click Download or Read Online button to get fundamentals of heat exchanger design book now. This site is like a library, Use search box in the widget to get ebook that you want. A surface condenser is a commonly used term for a water-cooled shell and tube heat exchanger installed to condense exhaust steam from a steam turbine in thermal power stations. These condensers are heat exchangers which convert steam from its gaseous to its liquid state at a pressure below atmospheric cooling water is in short supply, an air-cooled condenser is often used.
New steam surface condensers that are typically designed for cooling tower water use types / stainless steel. The required condenser surface area is somewhat larger (about % as I recall) than would be required for an admiralty metal design. The Spray Condenser. The coolant is sprayed, using nozzles, into a vessel to which the vapor is supplied. This is shown schematically in Figure is important that the spray nozzles and vessel are designed to produce a fine spray of liquid (to give a large interfacial area for heat transfer), and a long enough residence time of liquid droplets in the vessel.
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Calhoun: The NPS Institutional Archive Theses and Dissertations Thesis Collection Marine surface condenser design using vertical tubes which are enhanced. A methodology is developed for calculating the heat transfer coefficient on the surface of a vertical fluted condenser tube based upon condensate film thickness.
A marine condenser sizing procedure is demonstrated using this methodology. A comparison is made between a fluted tube condenser and a comparable smooth tube horizontal by: 1. MARINE SURFACE CONDENSER DESIGN USING VERTICAL TUBES WHICH A10 ENHANCED by CLIFFORD Cr-RALD BARNES, JR.
LIEUTENANT, U.S. NAVY Submitted to the Department of Ocean Engineering on 8 May in partial fulfillment of the requirements of the Degrees of Ocean Engineer and Master of Science in Mechanical Engineering.
ABSTRACTCited by: 1. DD Form m. 1 Jan 73 S/N UNCLAS t(W»«M Oaf* I«l»r#CLIFFORD GERALD EARNES, JR. Alternative materials are considered and applicability is assessed for submarine use. the result of the analysis indicate that a smaller volume, lighter weight condenser can be designed for marine use.
The marine engineer can specific tube length of condensate drainage rate and size the condenser : Jr. Clifford Gerald Barnes. However, the design maintains the total water flow rate the same as for the plain tube design by using more tubes (of a shorter length) in the enhanced tube condenser.
A literature review on the fouling of enhanced tubes in cooling tower systems is presented, including experimental studies and model development. Enhanced tubes have been used widely in the HVAC&R industry, because of their superior heat transfer performance.
However, fouling on the heat transfer surface affects the performance by: Condenser Tubes. Condenser tubes are specifically designed to efficiently condense process fluid off of the outside of the tube.
This application is widespread in heat exchangers, from being part of a condenser and evaporator refrigeration cycle in a chiller, to condensing steam in surface condensers, and everything in between.
These tubes are commonly manufactured with an O.D. of. corrosion, condenser tube leakages contribute towards enhanced copper pick up and deposition of silica/sodium on turbines, etc. Corrosion/Fouling in the condenser tubes results in increase in turbine heat rate & reduced performance of the Size: 1MB.
Shell and Tube Condenser Design (CnD) is a software that is made to demonstrate thermal analysis and design calculations required for designing shell and tube condensers. This software can design, horizontal shell side condensers, horizontal tube side condensers, vertical shell side condensers, vertical tube side condensers and reflux condensers.
Fig:Condensers Marine condensers are very susceptible to corrosion and much research has been done to lengthen their useful life. With halogenated hydrocarbon refrigerants, the use of aluminium brass or cupro-nickel tubes and brass tube plates is acceptable and has reduced the rate of.
Fine Wall (22BWG) and Cu-Ni Condenser Tube Use at the Hennepin Energy Resource Company Power Plant, Helliwell, W.E. and Anderson, G.A.,PWR-Vol 30 Joint Power Generation Conference Vol. 2, ASME. MHX Marine Condensers All MHX marine condensers are manufactured with enhanced ¾" diameter 90/10 copper nickel tubing to provide heavy wall construction and ease of service from commonly available tube cleaning devices.
These condensers are engineered for marine duty where seawater flows through the tube circuit. • 90/10 cupro-nickel tubes File Size: KB.
Swapan Basu, Ajay Kumar Debnath, in Power Plant Instrumentation and Control Handbook, Operation of the Condenser. As already mentioned, the surface condenser is the type most commonly used in modern power plants and thus is the only one discussed.
Here, the main heat transfer takes place at the outside of the tube, thereby cooling vis-à-vis condensing of saturated steam, thus. After the introduction of the surface condenser, between which and the steam drum are a series of straight tubes which form the heating surface of the boiler.
The tubes all deliver their steam to the steam drum below the water line. A small water chamber is bolted to these lower tube-plates. viz. the marine steam turbine introduced and.
Condenser Design - posted in Student: Hi,Can someone help me on designing a condenser. My aim is to condense acetone vapour at C (Vapour fraction=1) to C (vapour fraction=0) by using water at 25C. The process fluid will flow through the shell side while water will flow in the tube side.
I know that q =mCpT and so the outlet temperature of water can be found by Tout =. The condenser for motor ships A condenser is a vessel in which a vapour is deprived of its latent heat of vaporization and so is changed to its liquid state, usually by cooling at constant pressure.
In surface condensers, steam enters at an upper level, passes over tubes in which cold sea water circulates, falls as water to the bottom and is.
Once the condenser tubes are designed, selected, and purchased, the final step in a retubing project is to remove the old tubes and install the new ones. The success of this project is very. Condenser design The design of condenser is similar to a typical shell and tube exchangers.
A condenser must have a vent for removal of non-condensable gas. The non-condensable gas decreases the heat transfer rate. Condenser usually use a wider baffle spacing of sB D (ID of shell) as the allowable pressure drop in shell side vapor is usually less.
In a shell and tube surface condenser. steam and cooling water mix to give the condensate B. cooling water passes through the tubes and steam surrounds them C. steam passes through the cooling tubes and cooling water surrounds them D.
all of the above varying with situation Answer: Option B. Two Pass Down Flow Surface Condenser - Duration: LEARN AND G views. Formula for solving steam Condenser numericals (steam condenser) Hindi and English - .passes over the outer surfaces of the tubes.
The most common type is a surface condenser which has the great advantage that the condensate (condensed steam) is not thrown to waste but is returned to the boiler through feed water system.
A jet condenser is a much simpler* and less costly apparatus than a surface condenser.Condenser Design Technical Information Picture #1 - Tube and Fin Design – this tube and fin condenser has copper tubes that are approximately 3/8” in diameter.
It has smooth fin design spaced 8 to 16 per inch. This style condenser is more suited for harsh environments.
By design, it .