Blower power calculation kw. The calculation formula of blower specific speed: ns = 5.

Blower power calculation kw The input parameters are the volumetric flow rate, diameter, rotational speed, and Fan Blower Power Calculation. To convert watts to kilowatts, we divide the wattage by 1000. Operating point Short-term 100% Day operation 80% Energy consumption per year: Total: Power consumption EC: 1. It involves a delicate balance of the factors mentioned above. The pneumatic conveying blower needs to deliver 6. The discrepancy in power is because the pressure rise seen by the blower is higher the velocity pressure, caused by resistance in Power N (kW), this can range from 0. We get the 3-phase current formula like this: I (Amps) = P (kW) × 1,000 ÷ (V (Volts) × PF × 1. As a result, it is vital to get the right equipment and operation settings. net's electricity calculator to optimize energy expenses and reduce your bill. The rating of the blower is expressed in terms of required pressure and volumetric flow. 7 kW. The blower consumes about half of the total energy used in a typical wastewater treatment plant (WWTP). Input Power (P) Input power, measured in kW, is the electrical power supplied to the blower. Calculation Example: A variable frequency drive (VFD) is a type of motor controller that can vary the frequency of the electrical power supplied to an AC motor. G) Brake Horse Power - BHP. PD Blower System Design and Capacity Control: Basic Pneumatic Conveying System Calculations: A Sample Calculation Sequence: Selecting the correct blower is the most important decision when designing a pneumatic conveying system. 0 KVA more power units PS (Pferdestärke, horse strength in German) referred to as 'metric horsepower' is replaced by Use the centrifugal fan and blower performance formula calculations to check motor horsepower requirements, flow and pressure. The energy consumption of an electric leaf blower depends on the power rating, which is usually measured in watts. txt) or read online for free. 1 Electrical Power Requirement for Fan1. Now that you have the total pressure, you will have to measure the air speed in feet per second. 2 kg/m 3). 6. How do we calculate the Power of a blower or fan: Power = (Air Flow * Static Pressure) / (6356 * η) where, Air flow in Ft³/min, Static Pressure in inH₂O (Inch of Water) blower power (kw ) calculators for lobe type The Hp/KW of blower can be calculated based on flow and head, the below calculator help of calculate the pump capacity specially of lobe and This calculator provides the calculation of power required by a blower for a given flow rate, pressure difference, fluid density, and blower efficiency. Buy Mihir’s Handbook. 7 System Curve. This high energy consumption may cause a significant increase in your energy Power Calculation for Fans and Blowers; Fan/Blower Power Calculation; Optimizing Cooling System Design via Fan Sizing Calculations; Fan Power Calculation Formulas; Explore. The size of Blower & Vacuum Best Practices Magazine informs industrial and municipal sustainability, facility & energy managers on vacuum & blower energy conservation measures deployed by aeration blower, (kW Hour) Example: $0. 2. Temperature rise exerts a couple additional limitations on rotary positive displacement Pump Power calculation Formula: Pump power P (kW) in kilowatts is equal to the product of the rate of flow q (m 3 /hr) in cubic meter per hour, fluid density ρ (kg/m 3) in kilogram per cubic meter, gravity g in m 2 /s, pump differential h (m) head in meter and the differential pressure p (Pa) in Pascal or N/m 2 divided by 36,00,000. Explanation Calculation Example: The power required for a blower to operate is given by the formula W = (Q * (P2 - P1)) / (? * ?), where Q is the flow rate, P1 is the inlet pressure, P2 is the outlet pressure, ? is the density of the fluid being handled, and ? Fan Shaft Power: The mechanical power supplied to the fan shaft Motor Input Power:The electrical power supplied to the terminals of an electric motor drive. Hydraulic Pump Power. 732) The calculation formula of blower specific speed: ns = 5. Actual absolute inlet pressure in psia . This allows the motor to operate at . Conversely, calculating CFM from watts P AHP = Air Horse Power (hp) q = air flow (cfm) SG = Specific Gravity Air (= 1. Energy saving potential of EC Centrifugal fans, Size 560. 0. 6 ∙ = d i k−1 k −1 −1 ≈0. 7 psia, 36% RH) P = Measured blower power, kW. Here are some additional factors that can affect the power required for an ID fan motor: The speed of the fan. Blower & Fan generate pressure to move Air (or Gases) for ventilation and industrial process requirements. 65 = 2. This calculator provides the calculation of power required to drive a fan blower. Cooling systems; Airflow dynamics; Fan design; A cooling fan is installed to provide airflow through a 10mm thick aluminum plate that measures 0. Previous Post Next Post Contents1 Calculation Formulas for Process Fans1. . The actual power - brake horse power - a fan requires, because no fan is 100% efficient, can be expressed as What is the significance of fan power in industrial applications? Fan power influences energy consumption and operational costs in industrial processes. hp (5. A typical electric leaf blower (handheld) uses approximately 2500 watts of power. E (kWh) = V (V) * I (A) * t (h) / 1000. The efficiency of the compressor must be taken into consideration and is equal to 0. It is defined as 1 joule per second. 55 kW. It Template name: Calculation of power consumption for fan or blower Template number: HCPE-MMP-0028 Purpose: This template calculates power for fan or blower. In this page we are presenting online fan shaft power based on input parameter like air flow, total pressure and fan efficiency this is fan shaft power and no motor efficiency and other factor consider, in different industry Pwa = wire-to-air power, kW. 53 ) /( 229 X 0. 1) for the estimate. 5A. Efficiency compares the inputs used by a system to the outputs produced. 104: 0. The fan efficiency is in general independent of the air density and can be expressed as: μ f = dp q / P (2) The CFM to kW calculator is a tool designed to calculate the amount of power required (in kilowatts, kW) to move air through a system, such as a fan or ventilation system, The document provides information about the power requirement for adiabatic compression of air. the calculation would be: Power Consumption = (400 W × 4. Using this information, we can calculate the cost per hour: Cost per hour = 0. The specific power is calculated using a single set of inlet conditions and discharge pressure. The Quest for Efficiency. 9 HP say 11 HP Power, Air Blower Capacity is OK. This means your air blower consumes 1. You can evaluate the total energy consumption, select the right blower type and get the outlet air temperature by using the one and only blower tool. READ ALSO : Binding Energy Per Nucleon Calculator. In most cases the energy consumption is the main property to determine. 25 to 55kW for Hydraproducts power pack range. In this online calculation, along with power saving HP =( 425 X 8. PUMP POWER (KW/HP) OF CENRIFUGAL OR SUBMERSIBLE PUMP . Kilowatt-hours (kWh) are a unit of energy. This conversion is particularly important in HVAC systems, industrial air handling, and any process that involves moving large volumes of air. This web application calculate power required for air flow and also determine performance for different fan speed and diameter based on Affinity Laws. Before selection programs, performance was calculated by hand to determine required performance. Note : for a centrifugal compressor, the same calculation is done as above, but the 1 hp (English horse power, bhp) = 745. Reducing power consumption without sacrificing performance improves efficiency. 4 m 3 /s, and the fan average power varies from 16 kW to 92. Other Popularity: ⭐⭐⭐ Blower Selection Calculation This calculator provides the calculation of power required to drive a blower. Consequently, the four blowers' combined power usage is 16,800 kW. Joteo. In order to calculate blower power it is important to use actual process e = Specific power, kW/100 scfm qv = Measured flow rate, scfm (68°F, 14. Conclusion: Blowers for wastewater aeration are part of a complex treatment system. swa@swaenviro. With this online calculation tool one can calculate power saving by replacing existing fan with high efficient maya aerofoil fan. 189788 kg/s. 120: 0. 1 Simplified formula. 2: X ¼ p d p i 0:283 1 ¼ ðÞ14:4þ 8:5 14:2 0:283 1 ¼ 0:1448 kW ¼ 0:01151 Q i p i X h b h Popularity: ⭐⭐⭐ Fan and Blower Selection Calculation This calculator provides the calculation of power required to drive a fan or blower. 283 P wa = wire-to-air power, kW η wa = wire to air efficiency, decimal (includes blower , motor, and VFD) T i = inlet air temperature, °R p d, p i = discharge and inlet pressure, psia k Apply it in the field: At 1000 CFM, your blower draws 1. 2 Alternating Current (AC) Motor - Single-Phase. 3 Influence of Fan Speed on Volume flow, Static Pressure and Power Consumption: Calculation Formulas for Process Fans Electrical Power Requirement for Fan The required electrical power can be calculated as: Online fan power calculation is to calculate the power required for fan to operate for the required airflow and pressure. Accurately determining the performance of blowers such as turbo blowers, screw blowers and multistage centrifugal blowers. p /c. 6 10 6) = q p / (3. ηwa = wire-to-air efficiency, decimal (includes blower, motor, and VFD) By using the proper calculation methodology, blower-system energy consumption for various blowers and control schemes can be estimated. The document provides information about the power requirement for adiabatic compression of air. Electric leaf blowers require a lot of energy to function effectively. 031: Hydrogen produced mass flow rate and market input parameters are determined for the detailed cost calculation. P. Explanation. 1338 * In your formula:1/2m*v^2= 75w, you don't say what m is, but working back to get the right answer and units, it's the mass flow, 0. STEP 4 : calculate the actual power requirement. 5 hours a day, the calculation would be: Energy (kWh) = 700 W blowers or to replace them with high-efficiency variable-speed single-stage turbo blowers. Initial Steps. Online fan power calculation is to calculate the power required for fan to operate for the required airflow and pressure. of stages, flow, intercooling temp, and isentropic therapy, the power is Calculate Air Blower power consumption, energy usage, and electricity cost (400 watts) for 4. 5*ρ*V 2) by flow. 8 kW. Solution: Estimate existing constant speed blower power consumption from Equations 2. Where: Fan power: Fan (shaft) power required to drive the fan (in watts or horsepower). Blower Lifecycle - Evaluation-Segments of typical blower lifecycle allocation-6,000 hours per year -10 years of operation-$0. 69) = 10. This permits the designer to evaluate the life VFD Energy Savings Calculator. W. Place the vane anemometer at different points of the fan face, Design of 5 kW Radial Type Centrifugal Blower (Casing) Aye Mya Thandar1, Phyoe Min Than2, Indexed Terms- Centrifugal blowers, fans, Design, Volute, power, Tabular Integration. high specific speeds (high flows and low heads) remembered that the above calculation are based upon frictionless flow. Here is the basic formula for calculating fan shaft power: Fan Power = ηAir density×Q×ΔP. Payback Period Calculation. 9 of ASHRAE 90. Blower power calculation - Free download as Excel Spreadsheet (. They are a time saver and can quickly give you many options. Helmuth Glatt Nidec Motor Corp Hi Fan input power kW hp Hm Motor output power kW hp PUMP POWER CALCULATION OF CENRIFUGAL OR SUBMERSIBLE PUMP Blower & pump Size Calculations. 6 kW . Use Joteo. rels­’ÁNÃ0 †ï{Š*÷5Ý@ ¡¦»LH»!4 À$n µ‰£ÄƒòöD ²ÃŽq~ þb¥ÞLn,Þ0&K^‰UY‰ ½&c}§ÄËþqy/6Í¢~Æ 8GRoC*r OJôÌáAÊ Absorbed power is calculated using the following formula: Air volume x total pressure : 3600 : (efficiency x 10) = power consumption. 6 10 6) (1). com +91 8828186901; Ahmedabad Projects; Services. 97 kW. Simply , Motor HP = Blower Capacity in HP / Motor Efficiency Both types of fan power are measured in kilowatts (kW). 2 x 0. 328 kWh/a: Power consumption AC: Common Calculations for All Blowers • Blower power can be calculated from flow and pressure: wa= s∙ i ηwa∙3131. Pump Efficiency, for hydraulic power pack pumps this is in the range 0. Typically, fans are specified in CFM (cubic feet per minute) to indicate the volume of air in cubic feet a fan can move in one minute. Warning : this is not including efficiencies that need to considered on top of that. 416 kWh/a: 3. The shaft power of a single phase alternating current motor can be calculated knowing the voltage applied, the current drawn, the efficiency of the motor and the power factor : Formula : compressor power calculation. 7 psia 36% relative humidity). To figure out how many amps does a motor with certain kW power have, we have to rearrange this equation a bit. Air density: Density of the air being The CFM to kW calculator is a tool designed to calculate the amount of power required (in kilowatts, kW) to move air through a system, such as a fan or ventilation system, at a given flow rate (in cubic feet per minute, CFM). Use the composite energy cost (see Problem 2. To use this online calculator for Work Done by Roots Blower, enter Volume (V T), Final Pressure of System (P f) & Initial Pressure of System (P i) and hit the calculate button. Example of calculation of the power required for dilute phase conveying. 0413 kW: Final calculation to determine kW. ANSI/AMCA Standard 207-17 Fan System Efficiency and William Howarth Illinois Blower, Inc. 7 W = 0. if your blower operates at 700 watts for 2. A motor (and the motor protection) should in general be big enough Fan System Input Power Calculation STANDARD. Now, we should find Motor Capacity in HP. Check Blower Efficiency from Name Plate OR straight away ask to supplier. Pressure P (bar), typical pressures for hydraulic gear pumps would be up to 250 bar. After choosing the design data from catalogue, the results of impeller inlet and outlet dimensions and vane angle could be obtained. 5m x 0. Direct driven fans operate at higher efficiency levels than belt-driven fans, as the Motor Output Power also Join channel by clicking link given below to get access to particular materialhttps://mepengineeringlearn. 8 kWh. Air density: Density of the air being The fan efficiency is the ratio between power transferred to airflow and the power used by the fan. Form voltage and current form, For DC the energy calculation will be as below. 5 hours with our accurate kilowatt-hour calculator. F t Temperature rise factor from manufacturers table . This article provides insight into the parameter known as “efficiency,” how it’s calculated, and importantly, it’s uses and limitations in predicting blower energy consumption and comparing Energy performance of turbo blowers, screw blowers and multistage centrifugal blowers. A kilowatt is a multiple of a watt. Other formula . Note! - the power consumption is lower in operating condition than during start up. Indexed Terms: Centrifugal blowers, fans, Design, power, Vane I. If we fill this in with the air and pressure data you provide and with the assumption that this fan has 87% efficiency, we arrive at the following formula: 15,000 m3/h x 2500 Pa : 3600 : 870 = 11. where T a Actual absolute inlet temperature in °R (°F+460) . Explanation Calculation Example: This calculator can be used to calculate the power required and the pressure rise across a fan or blower. Brake horsepower is the actual power delivered to or by a shaft. 2 kW) and the brake horsepower is 10 b. 8 kW x V ariation of turbo blower power with temperature T a. You need to know how much HP it uses now and what your new HP will be when you increase airflow to 1200 CFM. 31 P is =Power (kW) T suct =Temperature inlet compressor (K) T discharge Here is the basic formula for calculating fan shaft power: Fan Power = η Air density × Q × Δ P Where: Fan power: Fan (shaft) power required to drive the fan (in watts or horsepower). One kilowatt-hour is equal to the energy used to maintain one kilowatt of power for one hour. Use an amps to hp conversion tool to calculate industrial process instruments and controls: tel: 1-925-706-7433 fax: 1-925-706-2583 This is usually expressed as kilowatts per hundred scfm (kW/100 scfm). 72 which gives a required power of 156*0. Since the actual velocity is lower, the research, the blower is designed air horsepower is 7 a. Where can I find authoritative resources for advanced fan analysis? Government and educational sources offer in-depth information on fan calculations and performance assessment. Explanation Calculation Example: The power required to drive a fan or blower is given by the formula Power = (Q * P) / (? * ?), where Q is the flow rate, P is the pressure rise, ? is the density of the fluid, and ? is the Evaluating and Comparing Aeration Blower Power Requirements Thomas E. PE= electric motor power draw, kW. It is always best to consult the manufacturer’s specifications for the exact power requirements. 05 $: $ $ Search. machine constitute a third category. 95. 72 = 216. n: Main shaft speed of blower, R / min Q0: flow at the inlet of blower under standard condition, m3 / s, KP: compressibility correction Popularity: ⭐⭐⭐ Blower Power Calculation This calculator calculates the power required for a blower to operate. can lead to complex measurement systems. 07 kg/s (air density 1. pdf), Text File (. Total energy consumption and energy cost were used to evaluate the cost effectiveness of VFD control. Ti = inlet air temperature, °R. xlsx), PDF File (. Achieving optimal centrifugal blower fan efficiency is a multi-faceted task. BHP Brake Horsepower . Calculate Blower power consumption, energy usage, and electricity cost (700 watts) for 2. During the whole test process, the volume flow rate of the fan varies from 3. Popularity: ⭐⭐⭐ Fan and Blower Analysis This calculator provides the calculation of power and pressure rise for fans and blowers. Dividing the fan output power by the conversion efficiency gives the fan shaft power. 5 m 3 /s to 9. 6 Fan Characteristics Curve by Manufacturer Figure 5. Calculation Example: The power required to drive a fan blower is given by the formula N = (Q * P) / (ρ * η), where Q is the air flow rate, P is the static pressure, ρ is the density of air, and η is the fan efficiency. 60 TO 78 % Efficiency have Twin Lobe Air Blower, here we took 69% efficiency. Qs = flow rate, SCFM. 1643 per kW-hour (approximate national average)-100 Hp (75 kW) traditional lobe style blower (45 – 65 % Isentropic Efficiency)-A blowers energy cost over 10-years represents 80-90% of the machine total cost This is just a general calculation and the actual power required may vary depending on the specific fan and drive system. 796 kWh/a: 2. The, using a pressure-enthalpy diagram with user inputs for pressure, no. With : P shaft = shaft power (W) η m = efficiency of the motor U = voltage (V) I = current (A) 3. It is a commonly used concept, but one which is prone to a great deal of misuse in many industries. The Hp/KW of Pump can be calculated based on flow and head, the below calculator help of calculate the pump capacity specially of submersible pumps and centrifugal pumps. 1 and 2. 54 n Q01 / 2 / (kpptf0) 3 / 4, in which: NS: specific speed of air blowers, important design parameters, specific speed of similar blowers are the same. View in full-text Similar publications E (kWh) = P (kW) × t (day) Energy = Power * Time. E. 2, the following formula can be used to determine how much electricity each blower uses: Power (kW) equals 100 x 50 x 1. 1338 * ln 136325/101325 = 6. qstd = airflow rate, scfm (standard ft3/minute at 68°F, 14. Jenkins, P. Electricity consumed by blowers: kW: 0. Both watts and kilowatts are SI units of power and are the most common units of power used. These equations will give the user a better understanding of how performance for a positive It’s quite easy to convert kW to amps and amps to kW in a simple 1-phase AC circuit (compared to a 3-phase power calculation). This fan air flow rate can be measured using a device or estimated by relating the fan's electric power consumption and the pressure it creates. 1-2007? This is always a question we get asked from LEED reviewers and have gotten many different interpretations on how to calculate it. Also to be noted is that the fan power calculation as described in section G3. This high energy consumption may cause a significant increase in your energy With this online calculation tool one can calculate power saving by replacing existing fan with high efficient maya aerofoil fan. But this formula amounts to multiplying velocity pressure (0. Peak Power). 2} \approx 0. Explanation Calculation Example: The power required to drive a blower can be calculated using the formula W = (Q * (P2 - P1)) / (? * ?), where Q is the required flow rate, P1 is the inlet pressure, P2 is the outlet pressure, ? is the density of Now days we have computer programs that can calculate positive displacement blower performance. Representative calculation examples: » EC Centrifugal fans. 1 INTRODUCTION The electricity consumption (and overall efficiency) of a blower motor depends on the speed at which the motor operates, the external static pressure difference across the blower, and the airflow through the blower. The FALCO 300 VFD blower is equivalent to 10 HP at full capacity and 2 HP at standby : The FALCO 600 VFD blower is equivalent to 15 HP at full capacity and 3 HP at standby : Electric Power Cost: cents/kWh The above calculation obtains the output power of the fan itself. 4 Scope The procedure describes field testing of centrifugal fans and blowers for assessing performance and efficiency. APPENDIX 7-C. Power = 165 * 0. asynchronous motor of 200 kW (400 V, 50 Hz) Use of a "power calculation" The power consumption according the manufacturing data is 4 kW . One kilowatt (kW) is equal to 1,000 watts. 85-0. The ideal hydraulic power to drive a pump depends on. K Ratio of specific heats for a gas c. Q. Fan shaft power refers to the input power of the fan, which is equal to the output power of the motor. 0139 ps (metric horse power) ~= 1. com/2024/08/ventilation PK ‰ ŒS _rels/. 5 Reference Standards Formula : compressor power calculation 1. 5 kW). The plant was aware that other facilities had implemented variable speed control for similar aeration blowers. 0413 \text{kW} \approx \frac{120}{2905. Detailed engineering calculation for aeration tank blower size. Sometimes you may required buy car, automotive Fans and Blowers Bureau of Energy Efficiency 98 Figure 5. Answer: For example, if you have 1 kW of power, this might correspond to a specific CFM depending on the efficiency of the system. This calculator provides the calculation of energy savings by using a variable frequency drive (VFD). View all 40 calculation templates. For Single phase energy Pump power calculation The pump power is shown in the pump curve or in the specifications of the pump. Power Saving Calculation. 1. The correct power consumption should be. The plate’s Air heater power calculation based on input and output temperatures and air volume; t 1 - inlet air temperature; h 1 - inlet air relative humidity; t 2 - outlet air temperature; h 2 - outlet air relative humidity (calculated) V - air volume; P - heater power (calculated) t 1= o C: h 1= % t 2 = o C: h 2= % V = m 3 /h: P = kW: PD Blower System Design and Capacity Control: Basic Pneumatic Conveying System Calculations: A Sample Calculation Sequence: Selecting the correct blower is the most important decision when designing a pneumatic conveying system. 0) dp inWG = total pressure (in. hp (7. Chief Design Engineer, Wastewater Solutions, Dresser Roots Abstract Evaluation of energy requirements is an important part of optimizing blower selection for aeration applications. 9 is excluding any fan powered Cost per hour = Power (in kW) x Energy Price. It lists the power output of an air blower as 8. Improve your facility's energy efficiency or transform the calculation results into actionable solutions. 2 ≈ 0. Blower Power Calculation Kw . Here is how the Work Done by Roots Blower calculation can be explained with given input values -> Given that the air has a specific gravity of 1. 2 Total Pressure Increase (Rough Estimation)1. Energy = Voltage * current * Time /1000. In this online calculation, along with power saving and money saving, we also calculate period to get your return on investment and when your invested cost will Electric leaf blowers require a lot of energy to function effectively. Designing & Engineering This study’s prior objective is to estimate the cost of hydrogen produced by a 20-kW high-power SOEC system. 5 h) ÷ 1000 = 1. 976575 kW with an air flow rate of 0. This calculator helps to ensure that air blower systems are adequately sized to meet the ventilation needs of a space, optimizing energy usage and ensuring effective air circulation. 4 kW x 0. For this you will need a vane anemometer. This excel This calculator may be used to estimate blower energy consumption for either SVE or Industrial (VFD) applications. P h(kW) = q ρ g h / (3. Where: e = specific power, kW/scfm. For 1 compressor stage of a perfect gas, the isentropic compression is the following : P is = 2. 3. According the chart the power coefficient is approximately 0. xls / . These equations are presented below in the calculation order that is most logical. e. 746 kW = 550 ft lb/s = 2545 Btu/h = 33000 ft lb/m = 1. CALCULATION OF FURNACE BLOWER FAN ENERGY CONSUMPTION 7-C. The capacity of an air blower is typically measured in cubic feet per minute (CFM), which represents the volume of air the blower can move per minute. 8 kilowatt-hours of electricity per day. Finally, based on the calculated costs, assumptions Measure the air speed. P shaft = η m * U * I. The online fan power calculation is to calculate the power required for fan to operate for the required airflow and pressure. a. In this page we are presenting online fan shaft power based on input parameter like air flow, total pressure and fan efficiency this is fan shaft power and no motor efficiency and other factor consider, in different industry The airflow generated by fans is usually measured in terms of volume per unit of time. v. al operating point on this curve will depend on the system resistance; fan's operating point at "A" is flow (Q 1) against pressure (P 1). Key Points About Power Consumption kW ≈ 120 2905. As no fan (or indeed any other device) runs at 100% efficiency, the required Motor Output Power will always need to be greater than the maximum Fan Absorbed Power (i. Actual Inlet Volume in cfm . The absorbed pump power, also called shaft power, is given in kW and can be easily calculated using the following formula: P = (Q x H x SG) ÷ (η x 3670) P = pump power kW Q = pump capacity m 3 /h H = pump head mwc To calculate the compressibility factor for a gas, there is a VBA function. 055: 0. 8 is an estimated value of the internal efficiency of the fan. 65 . Improve Energy Intensity with What is the best way to calculate fan power (kW/CFM) as per section G3. the mass flow rate the; liquid density; the differential height - either it is the static lift from one height to an other or the total head loss component of the system - and can be calculated like. 3m. So, the power of the furnace fan blower in kilowatts is 0. The paper presents the computation methodology for the optimum dimensioning of the necessary power for the driving motor of a turbo blower, depending on the requirements of the industrial process. 116 kWh/a: 7. blogspot. /29*2587 / 1000 = 156 kW.