Trayflat installation manual the trayflat is a flat roof mounting system whose design and configuration has been accurately calculated and strictly tested. Ee 5741 design of electronic ballasts eric persson exec. My space is covered, but if it was open to the elements, id probably not leave the. The designed trays are easily to be connected by solar panels and the preassembled parts of the tray simplify the installation. View and download lightolier ccm1 datasheet online. The new column analysis feature includes selections for v1 and v4 glistchballast round. How to design a dimming fluorescent electronic ballast. View and download samsung tray design user manual online.
Here is a guide for calculating minimum active area and tower area. Glitsch ballast tray, glitsch v1 tray, nutter float valve. Interior design reference manual for the ncidq exam. Ballast tray manufacturers suppliers of ballast tray. An1543d electronic lamp ballast design prepared by. Column analysis in aspen plus and aspen hysys aspentech. Distillation column tray design must allow the turbulent liquid to fall away from rising. Kgtower software can be used to provide detailed calculations for valve, bifrac, or maxfrac trays. An1543d electronic lamp ballast design on semiconductor. The numbers of flowpaths of liquid on tray are 1, 2, 3 or 4 as per liquid capacity requirement of column. I would like to know there is any textbook to guide how to calculate the dimension of tray components such as weir length, weir height,downcomer.
Disconnect the unit from a power source before replacing lamps or any other parts. Additional buying options include acrylic lamp covers, neon light kit, attached dressing room and low rise top to fit under 8 foot ceilings. The many alternative design cases frequently involved in. Part 3 mechanical designs for tray performance sciencedirect. Page 1 distillation column tray design must allow the turbulent liquid to fall away from rising vapor in the space above the tray, while also enabling the vapor bubbles to rise out of the falling liquid in the downcomer. The interior design reference manual features include. Generally, the glitsch, koch, nutter and norton tray design manuals3 apr 20 koch valve tray design manual throughout the industry is the glitsch equation glitsch, inc.
Ballast is a perfect resource for making your own flashcards. No rails are needed which save costs and installation time. Dynamic models for safety shutdown of distillation columns. Kochglitschs design and manufacture of distillation trays have evolved from bubble cap to sieve to valve trays and now to specialty, highcapacity trays. Rooftop mounts, penetrating nonpenetrating rooftop mount. Dual tray strut mount hole add on dual tray remove this hardware before installing the dual tray use same holes to attach dual tray.
The efficiency and capacity of valve trays in methanol. Glitsch ballast tray bullettin 4900 free download as pdf file. It continued to be used in the 21st century and has since evolved into many variation of outlook, applications and control. For decades, kochglitsch has been the driving force in tray design improvements. Advanced display page of lamp requirements and ballast operating points. The main advantages of this type of installation are that more ballast per module can be installed and the evenly distributed point load on the roof surface.
It is required to design the static calculation of the system with the aero tool software program solar. Download free manufacturer specific bim object files such as revit, archicad, sketchup, vectorworks and autocad. Glitsch ballast tray bullettin 4900 flood pressure scribd. Ballast design generates complete electronic ballast schematic, bill of materials, and inductor specifications for a selected lamp type and input voltage range. Load diagram with 80% and 100% flooding curves, tray design points for top open symbols and bottom section filled symbols and experiment diamonds. Click here for full pdf version of this article includes all graphs, charts, tables, and. When replacing lamps, make sure the lamp has had time to cool before touching. Flexitray valve trays combine high capacity and excellent effi ciency with a. Introducing the south beach design stand up tanning booths. This book works in conjunction with division specific practice exams to help you pass every division the first time. Download now white paper achieving reliability to match capability veteran engineers, who have been down the rollyourown road before, know its pitfalls and would much prefer a standardsbased, flexible, and rigorously tested solution focused on maintaining embedded system reliability. From a capacity viewpoint, a liquid rate greater than 6 gpm inch of weir weir loading, is the rate at which a higher number of flow paths should be considered.
Distillation tray design chemical engineering page 1. Mounting the i320 1remove the ballast channel cover. The circuit includes figure 5 the complete control for the halfbridge resonant output stage and the lamp. Not many errors unlike kaplan which has a ton of errors on all divisions. Time domain graph showing actual ballast output waveforms. Application of the new fri valve tray efficiency model in. Pdf computer design of sieve trays and tray columns. Director, ww field applications engineering april 17, 2009. It contains information considered to be accurate at the time of publication in 1993. Ballast design a 26w electronic ballast circuit without pfc is designed around the irs2526ds mini8 ballast control ic. Therefore, the same tray design is usually used throughout the column, or the top section. The systems preattached roof mats save time on installation and provide maximum protection for the roof. Featuring an intense cooling system, noctex zero 2 is one of the coolest running w digital ballasts on the market today.
Panjiva uses over 30 international data sources to help you find qualified vendors of ballast tray. Electronic ballast design electronics project design. Slide low post short post into reusable mounting template fg. Flexitray valve trays proven performance in all liquidvapor contacting applications. Lesser ballast amounts can only be used if the mount is properly tethered. It looks great and is still holding up well after regular use. Kershaw ballast regulator youtube apr 08, 2011 this video was uploaded from an android phone pdf hewlett packard 20s calculator manual. Predicting the hydraulic performance of trays and packing is a critical. Even though the light out of a fluorescent tube has a discontinuous spectrum, the. This chapter discusses mechanical designs for tray performance.
Electronic ballast design introduction to electronic ballast design fluorescent lamp was introduced commercially in the 1940s and was a success in small scale lighting replacing the use of tungsten incandescent bulb. For the latest information on the design of towers, refer to the. How to design a dimming fluorescent electronic ballast by tom ribarich, director, lighting design center, international rectifier power management designline 01292006 11. Fast to install integral wind deflector integral wind deflector minimizes system loading and also functions as a ballast tray, providing a location to. Like others, i am considering buying the ballast 5. Due to low liquid load during startup, the experimental loads diamonds fall short of the design loads. Can be more technical then other are study material which is good. This manual is a design procedure for glitsch ballast trays. An important part of this installation manual is the additional designed project report with the structural. American institute of chemical engineersbubble tray design manual. Clips function ballast tray long connector clips for windsheet.
After unpacking the unit, check to make sure you have received the following. Ballast regulator manual download books in pdf, epub, kindle. Selection of triton, nye, superfrac or ultrafrac trays will take the user directly to the tray results screen for a display of approximate jet flood and pressure drop parameters. Lighting systems ccm direct louver 1lamp per 4 121. Computer design of sieve trays and tray columns article pdf available in the chemical engineering journal 8527. Designed with every aspect of performance in mind, its unique, four fully vented sides along with the housing of a 41 cfm super fan, allow for unparalleled cooling that has never been acquired by any ballast of its class. Remove these brackets from the ballast tray with a phillips screwdriver. Ballast tray this system type with ballast trays is used in areas with high wind loads and roofs with low point loads. Roof top mounts xld nonpenetrating frames xld xtreme load design rooftop frames perfect for larger loads like multiple rrus or antennas available with or without antenna mounting pipes welded trays for easy assembly standard kit accepts 238 antenna mounting pipes available in.
I feel like it is my only option considering the list of ppd booksmanuals is so long and would cost a fortune to hunt down all of these books. Determining the number of theoretical and actual trays in a distillation column is only part of the design necessary to ensure system performance. Study of clear liquid height and dry pressure drop models. Lockett distillation tray fundamentals pressure drop. Glitsch tray design manual chemical process engineering. Attach strut to the inside of the second tray when reassembling. Simple control circuits for electronic ballast design. The particular tray selection and its design can materially affect the performance of a given distillation, absorption, or stripping. Bentek expands cable harness overmolding solutions july 11, 2018 3.