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- CONDENSER DESIGN CALCULATION PDF DOWNLOAD FULL
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Table 1 contains heat of compression factors for hermetic and semihermetic compressors.įor refrigeration systems beyond the range of Tables 1, use the following equations to estimate THR = Compressor Capacity (BTUH) + (3413 x KW) THR = (Compressor Capacity) x (Heat of Compression Factor, Table 1) If the performance data values aren’t available, the THR can be estimated using the following formula: Whenever possible, it should calculated by multiplying the Watts x 3.413 Btuh/watt to covert it to Btu/hr. The heat of compression will vary depending on the compressor manufacturer, type of compressor and the operating conditions of the compressor. This heat energy is sometimes called the heat of compression.
CONDENSER DESIGN CALCULATION PDF DOWNLOAD PLUS
The THR is equal to compressor cooling capacity plus the heat equivalent of the power input to the compressor motor, usually found in the compressor ‘s performance data sheets published by the manufacturer, and expressed as Watts (W) or kilowatts (kw). The capacity of an air-cooled condenser are based on Total Heat of Rejection (THR) of the refrigeration system. Please return to the Home page to log in.<<< Prior the the headmaster, condensers used various methods of controls, including head-pressure actuated dampers which were prone to icing up or jamming up. >To read this the rest of this article, you must be registered and logged in. Tube counts,standard tube sizes tables, Thermal conductivities.Air-cooled condensers, often referred to as “remote condensers”, became more commonly used back in the 1960’s and 1970’s as the use of water-cooled systems which dumped city water down the drain became cost prohibitive or banned.Īnother factor which I think boosted their popularity was the advent of the Alco Headmaster head pressure control valve, which allowed relatively trouble-free winter operation with air-cooled condensers. Add your own properties in the additional user databases.
CONDENSER DESIGN CALCULATION PDF DOWNLOAD FULL
Basic Physical Properties estimation database included as separate software (Contains 1450 components, free with full version).
CONDENSER DESIGN CALCULATION PDF DOWNLOAD TRIAL
Track calculation changes from trial to another. +Detailed results displays many calculated variables such as: Duty, Area, Number of tubes, Shell/Tube velocities, flooding velocity and operating velocity for reflux condenser, Reynolds numbers, Condensation heat transfer coefficient, flow regime, Number of Baffles and Baffle spacing, Scale resistance (dirt factor), Overall heat transfer coefficient for both Clean and Fouled conditions, Pressure drops. Triangular and square pitch tube orientation. Calculate unknown Cold side temperature, Unknown Hot or cold side flow rate. Support single phase vapor condensation on hot side and liquid coolant on cold side, bare tubes only. Basis and assumptions that the software makes during the calculations are stated on a visible panel.
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Sub cooling, super heated vapor, Zone analysis, Shear Controlled and Gravity Controlled condensation (Subject to condensation model). Full/Partial condensation (Subject to condensation model selection please visit webbusterz for more). +Export Results summary to Microsoft Word or Print Results summary.Ĭalculations: Horizontal (shell side/tube side),Vertical (shell side/tube side) and Reflux condensers thermal design. +Export Results to Engineering Data sheet (excel, pdf formats supported). Import physical properties data to hot side and cold side from Microsoft Excel & from WeBBusterZ Physical properties database (included).
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Thermal design calculations of Shell & Tube condensers for horizontal condensers, vertical condensers including reflux condensers main features: Support S.I Units/English (U.S) Units of measurement, Units converter containing 23 measurements and 200 units.