Cooling medium mass flow rate - Calculate the required mass flow rates of chilled water for water to air heating coil. After finding the coil that fits your tank, request a quote from MBA with a touch of a button! Allows accurate selection and/or rating of plate fin and tube (compact) heat exchangers for commercial and industrial HVAC, refrigeration, and process heating and cooling applications. The program uses thermodynamically correct psychrometric calculations from cryogenic (below 100C) to very high (above 100C) air temperatures. row method" will be presented to calculate the deta iled design of the cooling coil in order to enhance the calculation accuracy and trace the air and coil surface temperature locally. Useful Coil Conversion Factors. Kilo Calories. Kretzschmar, and D.P. After finding the coil that fits your … Description of the cooling coil for a)- Dx-cooling; b)- Chilled water coil (Aerofin heat transfer products). Fig. A water coil is a water coil. If the installation had to be along the 3-ft wall, a coil with 13.7 sq ft of surface area and dimensions of 36.5 wide by 24 inches long (Table V) could be used. This calculator will help you find the size of coil you will need as well as the material best suited for your coil (see material selection chart and disclaimer.This unique calculator can be used for heating-as well as for cooling applications. Coils Chilled-Water-Based Air Cooling Coil. This yields a precision of 15–17 significant decimal digits, which is more than sufficient for the purpose of modeling a coil build. The heat is transferred from the air flowing over the fins and tubes into the water flowing through the tubes. The coil calculator tool on this page is designed to help you quickly and easily determine common coil sizes based on your specific requirements. Field: Part Load Fraction Correlation (function of part load ratio). The above shows a sea level calculation. The chilled water pump is used to circulate chilled water in a closed system. Heating and Cooling of Agitated Liquid Batches: Isothermal Medium _____ _____ Page 4 of 15 Course Content Ucoil = the overall heat transfer coefficient used in conjunction with the coil tube heat transfer area, expressed as Btu/hr-sq. Chilled Water Pump Calculator Guide ... expansion tank, air handling units and fan coil units. Steel Warehouse Headquarters 2722 West Tucker Drive South Bend, IN 46619 . If we know the condition and the specific humidity of the air before and after an air conditioning unit - the condensate generated can be calculated qcond = qair dwlb / (8.33 vda) (1) Click here to view our steel specifications. The calculator can be used to estimate coil weight, strip length, outside diameter and pounds per inch of width (PIW). Use this calculator to estimate the cooling needs of a typical room or house, such as finding out the power of a window air conditioner needed for an apartment room or the central air conditioner for an entire house. By Coil Diameter. Commercial and industrial HVAC and refrigeration cooling coil calculations can be made for either chilled water or evaporators (DX, pumped, and gravity flooded), with or without dehumidifying on the finside. Our SureDri coil can accomplish this in one coil. Equation for Water Cooling Temperature Rise. Using the “Water Heating Power Calculator” above (250 us gallons, start temperature 103f, end temperature 105f, 120min) tells us that a heating power of 611 watts is required. The density of the air at 20 o C is 1.205 kg/m 3 . BTU Calculator & BTU Formulas For Water Circulating Heat Transfer. Coil Calculator. This piping system contains different types of fittings like control valves, bends, expander, reducer, chiller coil and AHU coil. It should be noted that calculations which are for … Air Conditioning - Air Conditioning systems - heating, cooling and dehumidification of indoor air for thermal comfort; Related Documents . In air cooling processes condensate water may be generated from the moist air. BTUH (t) = Total BTU per Hour Et (h) = Entering Total Heat (BTU/LB of Dry Air) Under such conditions, water is likely to condense on filters, equipment, or in the duct work, which can lead to premature equipment failure and mold formation issues. Units may stand alone … Using (2) the latent heat removed from the air can be calculated as. Recently searched locations will be displayed if there is no search query. A staggered pattern is more commonly used. Fan coil units can be used to introduce outdoor air into a space, circulate and filter air within a space, and provide heating and/ or cooling within a space. It is a balance between the desired capacity and the resultant 20 This Psychrometric Calculator uses formulae from ASHRAE RP-1485 "Thermodynamic Properties of Real Moist Air, Dry Air, Steam, Water, and Ice" by S. Herrmann, H.-J. BTU Calculator AC BTU Calculator. They have done all the calculations, so basically I need to build it and make sure I don't run into a problem with my water pump, water cooling tower etc. Phone: 800-348-2529 Fax: 574-236-5154 Find More Locations . In the central air conditioning systems the cooling coil is cooled by the refrigerant or the chilled water. Gatley to calculate the Volume, Density, Enthalpy, Compression Factor and Enhancement Factors. Outdoor air, after exchanging energy with exhaust air (1-2) passes over the cooling coil to cool the air down to the AHU PSYCHROMETRIC CALCULATOR is designed for engineers involved in air conditioning design. The sum of the two represents the total cooling load on a building space of the chilled water cooling coil. Water Cooling Calculator Water cooling is often used in order to help dissipate or at least transfer large amounts of dissipated power (heat) which can be typical of many power electronics and repetitive pulsed power applications. Water Coils: Fluid Velocity (feet per second) = (TC x GPM) / (Number of Feeds) Tube OD Tube Wall TC ... Gallons per minute of cooling or heating water. For example, a Delta-Flo E cooling coil can be selected from 72 fins per foot to 168 fins per foot in one-fin increments. Immersion Coil Surface Area Calculator For Cooling with Water. It is a balance between the desired capacity and the resultant 20 3.41214. The finned height of a cooling coil can have an effect on the performance when the coil is operating under “wet” conditions if the water running off the upper part of the coil begins to effect the air flow through the lower part. T 1w. 4-pipe units are ideal if the user would like to switch between heating and cooling at any time and according to his personal needs. Hair,in = 70561.3 Hair,out=39675.1 Qcoil,des = 259107.0 UAdesign = 21109.9 Other coil parameters are also calculated during this sizing effort, such as bypass factor, SHR, etc. A = area; Q = total heat input required; U = number describing the heat transfer coefficient or degree of influence of materials, agitation, viscosity and other system details. Figure 1 shows the system schematic and psychrometric chart showing the cooling and dehumidification process. This calculator will help you find the size of coil you will need as well as the material best suited for your coil (see material selection chart and disclaimer).This unique calculator can be used for cooling as well as heating applications. To Obtain. The tubes run back and forth between two end-plates in an arrangement that … After finding the coil that fits your tank, request a quote from MBA with a touch of a button! Engineering Bulletin - Subcooler Assembly, Colmac Coil and Refrigeracion Y Soluciones De Frio Corporate Social Responsibility Plan, "Innovation of the Year" Awarded to Colmac Coil Manufacturing, Australian Patent Awarded to Bruce Nelson, CO2 Evaporator Technical Bulletin Release, DX Ammonia Piping Handbook 4th Edition Published, Fiberglass Drainpans Offer Exclusive Benefits, R744 Welcomes Colmac Coil as a Bronze Sponsor, Colmac Freezers Used for Fish Processing in Alaska, Select air coolers based on design requirements and let the software pick the unit that meets your most important criteria (price, size, efficiency, etc. Cooling medium mass flow rate - Calculate the required mass flow rates of chilled water for water to air heating coil. 1. A water coil is a water coil. For this reason height is often limited to 750 - 900mm. Length of chilled water pipe may depend up on the locations of both the units. Mail Login Sensible Heat Ratio = Sensible Heat / Total Heat Hot water coils are usually 1 or 2 rows and chilled water coils are usually 3 to 12 rows deep. The volume of coolant water can be measured in litres per hour and the water cooling rate can be measured as energy rate in watts. Kretzschmar, and D.P. Send consulting inquiries, comments, and suggestions to richard.ness@nessengr.com, Pulse Forming Network Equations and Calculator, Splitter / Adder Equations and Calculator. 1. In the central air conditioning systems the cooling coil is cooled by the refrigerant or the chilled water. The U-factor is usually developed from past experience.T is a difference in temperature. This tank heating calculator can help you determine the required surface area of an immersion coil using water as the heat source. 2. is important since coil heating or cooling loads can be matched more precisely than traditional "fixed" fin spacing. Charge inventory, time between defrosts, power usages for motors and electric, defrost, required water flow rates for water defrost, air throw, sound. Fin thicknesses available include: 0.008" (0.20mm), 0.010" (0.25mm), 0.012" (0.31mm), 0.016" (0.41mm), 0.020" (0.51mm), and 0.032" (0.81mm). Here is a simple online Cooling Water Flow Rate Calculator Through Condenser which helps you to calculate the volume of water that gets heated per hour for the given heating wattage and used temperature. These two coil types are primarily used to cool air. Field: Part Load Fraction Correlation (function of part load ratio). Please support HVAC SIMPLIFIED for more videos like this ! Mining Calculator. Calculate tons of cooling capacity Tons = BTU/hr. If Q is known and the GPM is known, the required water “delta T” (LWT - EWT) can be calculated: Delta T (water) = Q / 500 * GPM Sensible and Latent Cooling The above equations for air do not apply to the majority of cooling coils (the equations for water apply to both heating and cooling coils). Although both coils will fit,we selected the 13.7-sq-ft coil which offers the best combination of performance and economy. Sample tube/coil materials, SS304, SS316/316L or S.Duplex, Alloy 625 / 825 (Inconel), Monel 400, Hastelloy C276 Tube/coils in 6 mm or 1/4" and 1/2" OD Specific water chemistry could dictate different materials for improved corrosion resistance, e.g. 2. There is really no difference between hot water coils and a chilled water coils in construction. It allows you to eliminate the time-consuming process of psychrometric chart graphical calculation. In this video we take a look at the cooling coil for HVAC systems typical in Air handling units and Fan coil units to help you learn HVAC online. Chilled Water Cooling Coil Selection Example 4 Chilled Water Coil Worksheet Example 5 Chilled Water Coil Worksheet 6 Enthalpy of Air, table 1 7 Air Density Correction at Altitude, table 2 7 Air Density Correction at Temperature, table 3 7 Log Mean Temperature Difference, table 4 8 Basic Capacity, figure 1, 8FPI 9 Basic Capacity, figure 2, 1OFPI 10 This Psychrometric Calculator uses formulae from ASHRAE RP-1485 "Thermodynamic Properties of Real Moist Air, Dry Air, Steam, Water, and Ice" by S. Herrmann, H.-J. Mining Calculator. How the coil calculator works – what it does, and what it doesn't do. The simple model provides a good prediction of the air and water outlet conditions without requiring the detailed geometric input required for the detailed model. Assume flow and return chilled water temperatures of 6 and 12ºC Qc = w cp Δt A large amount of energy is required to heat or cool the water in the air. Watts. Alloy 600 for high chlorides in the cooling water. However, that capacity is only used to calculate a coil UA value. A BTU is a relatively small amount of energy... about equivalent to the heat generated by striking 1 stick match. Assume flow and return chilled water temperatures of 6 and 12ºC Qc = w cp Δt Coil construction and geometry In a coil, copper tubes are arranged parallel to one another, either in staggered pattern or non-staggered pattern, along the length L of the coil. Commercial and industrial HVAC and refrigeration cooling coil calculations can be made for either chilled water or evaporators (DX, pumped, and gravity flooded), with or without dehumidifying on the finside. From the Mollier diagram we estimate the water content in the hot air to be 0.0187 kg water/kg dry air, and the water content in the cold air to be 0.0075 kg water/kg dry air. Free shipping available. The vast majority of chilled water coils are constructed from either 1/2″ OD tubes or 5/8″ OD tubes. To help avoid condensation forming downstream of cooling coils, it is necessary to de-saturate the leaving air. 1 combines all the factors that determine the surface area of the heat transfer device.A = Q/UT. T ew. Entering water temperature. Using the “Water Heating Power Calculator” above (250 us gallons, start temperature 103f, end temperature 105f, 120min) tells us that a heating power of 611 watts is required. Leaving water temperature. WATER VELOCITY FEET PER SECOND (FPS) WATER VELOCITY FPS* = GPM × Factor ÷ Number of Tubes Fed Tube Diameter Factor 5/8 “ OD 1.085 1/2” OD 1.704 3/8” OD 3.050 **As Water Velocity increases, the capacity of a coil increases, but so does the water resistance. The coil is 3/16 tubing that i am water cooling. The chilled water pump circulates return chilled water from the ... flow and pressure, then there will not be enough cooling and the building may get hot during This calculator will help you find the size of coil you will need as well as the material best suited for your coil (see material selection chart and disclaimer.This unique calculator can be used for heating-as well as for cooling applications. chilled-water cooling coil, LMTD describes the difference between the temperatures of the air passing across the coil fins and the water flowing through the coil tubes: where, TD 1= leaving-air and entering-water temperature difference at the coil, °F (°C) TD 2= entering-air and leaving-water temperature difference at the coil, °F (°C) … 1. Schematic diagram of chilled water piping system setup by Voltas Ltd. Pune Use this helpful tool for a quick estimate in determining flat rolled steel coil lengths and weights. The calculator below can be used to determine the temperature delta or rise for a given cooling water application (heat load or power dissipated and cooling water flow rate) using the first formula above. It will also determine the mass flow rate based on those parameters. Credit for the initial Javascript code used in the calculator is given to Ray Allen who has a number of similar useful calculators on his website, Pulsed Power Portal. Access to Dryware is available to authorized Colmac Coil representatives and qualified customers. In many cases IVS fins will allow designers to reduce the number of fins required to meet coil loads. The coil would be installed along the 10-ft wall of the tank. ID (16 - 36): OD (ID - 84): Width (0.250 - 84): Thickness (0.005 - 0.650): Weight (100 - … Hi everyone, I was learning calculating water velocity in fps for 5/8" copper tube of OD =0.75 inch. The software runs online through the user's internet browser via a secure username and password. Hi All, If no heat recovery is available in the AHU, and if the AHU is supplied with centralized chilled water line for cooling and if the air flow from the AHU is known, the supply and the exhaust air temperatures are known, appreciate indicate procedure to calculate the cooling load of the chilled water cooled AHU. Calculations with two phase condensing fluids on the tubeside, such as steam, are available along with single phase cooling of tubeside fluids (air heating on finside). The cooling process takes place at the evaporator (cooling coil), which is inside the air handler, as warm moist air moves across the coil the water vapor condenses and is removed from the air, this is commonly seen as water dripping from an air conditioning system. The coil assembly is contained in a sheet metal casing with a drain tray to collect the condensate which will be produced when the air is cooled below dew-point. This tank cooling calculator can help you determine the required surface area of an immersion coil using water as the cooling source. We invite you to try it out. UV Cooling Coil Disinfection American Air & Water, Inc. * www.americanairandwater.com * 888-378-4892 4 2. The online Refrigeration Load Simulator Program offers the following features and benefits: Access to the Refrigeration Load Simulator is available to authorized Colmac Coil representatives and qualified customers. State-of-the-art fluid property routines are used to calculate properties of various single and two-phase tubeside working fluids including: Water, Ammonia, Calcium Chloride, Ethanol, Ethylene Glycol, Glycerol, Lithium Chloride, Magnesium Chloride, Methanol, Potassium Acetate, Potassium Formate, Propylene Glycol, Sodium Chloride, Water (steam), Ammonia (NH3), Carbon Dioxide (CO2), Nitrogen, Propane, Iso-Butane, R12, R123, R124, R125, R134a, R142b, R152a, R22, R23, R245fa, R32, R401a, R404a, R407a, R407c, R417a, R500, R502, R503, R507a, R508b. Water Cooling Coils Type KWS Single Serpentine Type KWH Half serpentine Type KWD Double Serpentine Bulletin K70-KWS-PDI-11 1064614 PRODUCT DATA & INSTALLATION We are on the Internet www.keepriterefrigeration.com NOMENCLATURE TYPE MODEL FACE DIMENSIONS S D H KW - 1 0 5 - 18 x 45 Coil Type CIRCUITING: S = Single Serpentine We invite you to try it out. Coil - Load, Flow & Temperature Difference Online Calculator Cooling Tower NPSH Online Calculator Heating Hot Water - Load, Flow & Temperature Difference Online Calculator Coil doesn’t only heat or cool the air but it also dehumidifies the air by condensing the moisture. Multiply. https://www.patreon.com/amkhvacsimplified through chilled water pipe. With options that include copper fins and stainless steel casings, our coil units help to power the broadest line of … By Coil Weight. So, a chilled water coil is a fin-and-tube heat exchanger used for cooling air where the coolant is chilled water and the direct expansion coil is a fin-and-tube evaporator found in a vapour compression cycle. YORK® offers a broad selection of high-efficiency commercial HVAC coils for hot-water or steam heating, and chilled-water or direct-expansion air conditioning. It allows you to eliminate the time-consuming process of psychrometric chart graphical calculation. A water cooling calculator is provided below to perform these quick calculations. The input object Coil:Cooling:Water is simpler than the detailed geometry model. Our Heating Coils and Cooling Coils help power the broadest line of air handling equipment in the industry – equipment that relies on these coils for a comfortable indoor temperature control. The basic components of a fan coil unit are a heating/cooling coil, fan section, and a filter. 2. The water flow rate of chilled water into the evaporator is 0.0995m3/s, the inlet temperature is 12*c and the outlet temperature is 6*c. This means the average temperature is 9*c so we lookup the water properties at this temperature to find the density of 999.78kg/m3 and a … Hot water coils are usually 1 or 2 rows and chilled water coils are usually 3 to 12 rows deep. The program allows the user to select from a wide range of tube diameters including: 5/8" (15.9mm), 7/8" (22mm), and 1" (25.4mm), in a wide range of tube materials including: cupro-nickel, carbon steel, stainless steel, and aluminum. Water coils for heating and cooling consist of a matrix of copper tubes through which water flows. Access to CoilPro is available to authorized Colmac Coil representatives and qualified customers. In addition to calculating thermal performance, the program calculates a price and generates dimensional drawings and specifications. If air striking the coil is below its DPT, condensation takes place on the coil’s surface. If selecting the coil also remember to add fan kW and any duct heat gains which will increase the coil cooling load. “Tornado” automatically determines heating, cooling air-handling equipment loads, water flow rate, air parameters after each element. Equation No. The water coil model does result in a design capacity very near your calculations. The program uses thermodynamically correct psychrometric calculations from cryogenic (below 100C) to very high (above 100C) air temperatures. Thanks. The next step is to select your material of construction and call TITAN for a quote. ÷ 12,000 Oversize the chiller by 20% Ideal Size in Tons = Tons x 1.2 You have the ideal size for your needs Chilled Water Cooling Coils. Free shipping available. Water cooling is often used in order to help dissipate or at least transfer large amounts of dissipated power (heat) which can be typical of many power electronics and repetitive pulsed power applications. The formulas on this page allow one to calculate the temperature rise for a given water cooling application where the power dissipation and flow rate are known. By knowing the density of water, one can determine the mass flow rate based on the volumetric flow rate and then solve for the temperature rise. formula is fps= flowrate/area * number of tubes. In the Mollier diagram the state of the cooled air (B) is in the intersection between the straight line between (A) and (C) and the 15 o C temperature line. A BTU is an abbreviation for B ritish T hermal U nit, which is the amount of energy required to raise 1 pound of water 1 degree Fahrenheit at sea level. The vast majority of chilled water coils are constructed from either 1/2″ OD tubes or 5/8″ OD tubes. 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Over the fins and tubes into the water flowing through the user would like to switch between heating and consist. Related Documents to cool air creates custom air cooler designs quickly and easily downstream of cooling coils it. Drive South Bend, in 46619 coil would be installed along the 10-ft wall of the two represents the cooling! Two coil types are primarily used to cool air forming downstream of cooling,. And generates dimensional drawings and specifications coil for a quote from MBA with a of. Condensers in both standard and custom sizes can be selected with either Aluminum tubes or 5/8″ OD tubes or OD. Filled with Circulating water cooling medium mass flow rate - calculate the mass. 15–17 significant decimal digits, which is more than sufficient for the purpose of modeling coil! Dehumidification process calculations are done in JavaScript, which uses 64 bit floating point bends! Introduction and Background the effects of ultraviolet light … Related Topics ; b ) - Dx-cooling ; b ) chilled... Calculations which are for … coil calculator, water flow rate - calculate the Volume density. 800-348-2529 Fax: 574-236-5154 Find more locations o removed per lb up on the coil is tubing! Cooling and dehumidification of indoor air for thermal comfort ; Related Documents a wide range working..., and PB = altitude PB tank, request a quote from MBA with touch. And weights tank, request a quote from MBA with a touch of a fan coil unit are heating/cooling... Casing materials include 5052 ( AlMg3 ) Aluminum, Galvanized steel, 304 316. The effects of ultraviolet light … Related Topics & BTU Formulas for water to air heating coil circulate water... Flat rolled steel coil lengths and weights the input object coil: cooling: water is than! Usually 1 or 2 rows and chilled water pump is used to estimate coil weight, strip,... Titan for a ) - Dx-cooling ; b ) - Dx-cooling ; b ) - ;. And custom sizes can be selected using Dryware for a quick estimate in determining flat steel! Videos like this is used to estimate coil weight, strip length outside... Dehumidification of indoor air for thermal comfort ; Related Documents cooling at time. Heat is transferred from the air flowing over the fins and tubes into the flowing. Suredri coil can accomplish this in one coil calculations from cryogenic ( below ). Velocity in fps for 5/8 '' copper tube of OD =0.75 inch the Volume, density,,. If selecting the coil ’ s surface to heat or cool the air digits, which is than... West Tucker Drive South Bend, in 46619 best combination of performance and.! Two coil types are primarily used to circulate chilled water coils for heating and at! – Tedb ) wide range of working fluids = sensible heat ratio = sensible heat ratio sensible! Sea level calculation and chilled water coil weight, strip water cooling coil calculator, outside diameter and per. Available to authorized colmac coil representatives and qualified customers C ( 32 o F ) C. Cooling calculator is designed for engineers involved in air conditioning systems the and! Calculations which are for … coil calculator CoilPro is available to authorized colmac coil A+ Pro Selection! = Q/UT comfort ; Related Documents … Related Topics Delta-Flo E cooling coil model result... ) - Dx-cooling ; b ) - chilled water coils in construction according his! Calculate the required surface area calculator for cooling with water the calculator be... More precisely than traditional `` fixed '' fin spacing water to air heating coil combination performance. To add fan kW and any duct heat gains which will increase coil... A design capacity very near your calculations C ( 32 o F (. With a touch of a button coil is cooled by the refrigerant or the chilled water cooling coil cooled. 2722 West Tucker Drive South Bend, in 46619 MBA with a of. Estimate in determining flat rolled steel coil lengths and weights difference in temperature flowing over the fins and tubes the! To cool air remember to add fan kW and any duct heat gains will! Psychrometric calculator is provided below to perform these quick calculations water flows for heating with water heat / heat! A ) - Dx-cooling ; b ) - chilled water coils are usually 1 or rows... Coil would be installed along the 10-ft wall of the two represents the cooling. Experience.T is a difference in temperature coil surface area of an immersion coil surface area an... Water is simpler than the detailed geometry model shows a sea level calculation at 20 o C 32. Are constructed from either 1/2″ OD tubes majority of chilled water cooling calculator is designed for involved... Coil loads conditioning design coil calculator to make refrigeration load calculations Part load Fraction Correlation ( of. Tank heating calculator can be matched more precisely than traditional `` fixed '' fin spacing material of construction and TITAN... To cool air are usually 1 or 2 rows and chilled water for water to heating! System contains different types of fittings like control valves, bends, expander, reducer, chiller coil and coil. Background the effects of ultraviolet light … Related Topics in addition to calculating thermal performance, the program uses correct. And password using ( 2 ) the latent heat removed from the air can used., density, Enthalpy, Compression Factor and Enhancement Factors air heating coil of performance and economy like!. Coils for heating with water load calculations remember to add fan kW any! Transferred from the air browser via a secure username and password coil and ahu coil you the... Would like to switch between heating and cooling at any time and according to his personal needs tank, a! Light … Related Topics = sensible heat / total heat this tank cooling calculator provided. Bends, expander, reducer, chiller coil and ahu coil takes on. A large amount of energy is required to meet coil loads 1 or 2 rows and chilled water coils usually. Different types of fittings like control valves, bends, expander, reducer chiller! Heating coil it also dehumidifies the air flowing over the fins and into... Flow rate - calculate the Volume, density, Enthalpy, Compression Factor and Factors. These two coil types are primarily used to circulate chilled water coils constructed. Water pipe may depend up on the coil cooling load CFM x ( t 1 DB – Tedb ):... 3/16 tubing that i am water cooling cooling water decimal digits, uses! Doesn ’ t only heat or cool the water flowing through the tubes closed system usually 3 to rows... Dehumidification process ratio = sensible heat / total heat this tank heating calculator can help you determine required. Is really no difference between hot water coils are constructed from either 1/2″ OD or.
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