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• ### DISTILLATION - Thermopedia

The Optimum Reflux Ratio (R 0) is that at which the total cost of the distillation is a minimum, taking into account the capital cost of the column (which depends on the number of theoretical plates) and running cost, which depends on the reflux ratio. Note that the capital costs of the reboiler and condenser also depend on the reflux ratio.

• ### How to Calculate Expense Ratios using Expense Ratio .

Jul 15, 2016· Java Project Tutorial - Make Login and Register Form Step by Step Using NetBeans And MySQL Database - Duration: 3:43:32. 1BestCsharp blog 6,068,213 views

• ### 2010 Standard for Performance Rating of Variable .

Integrated Energy Efficiency Ratio, IEER (Integrated Part-Load Value, IPLV is Superseded by IEER January 1, 2010) . Performance Rating of Variable Refrigerant Flow (VRF) Multi-Split Air-Conditioning and Heat Pump Equipment Section 1. Purpose 1.1 Purpose.

• ### How to Calculate an Efficiency Ratio | Bizfluent

Another type of cost efficiency ratio formula is used to calculate the turnover of receivables. This shows how effective the company is at collecting on its debts. To calculate it, divide the net value of credit sales by the average accounts receivable. Both figures must …

• ### How to calculate the efficiency of a shell and tube heat .

The main basic Heat Exchanger equation is: Q = U x A x ΔTm The log mean temperature difference ΔTm is: ΔTm = (T1 – t2) – (T2 – t1) = (°C) (°F). Where: T1 = Inlet tube side fluid temperature; t2 = Outlet shell side fluid temperature; T2 = Outlet tu.

• ### Overhead Ratio Formula | Calculator (with Excel Template)

The company should try to maintain a balance and reduce only that much which doesn't reduce the efficiency of the company. Overhead Ratio Calculator. You can use the following Overhead Ratio Calculator. . You can easily calculate the ratio in the template provided. Overhead Ratio …

• ### How To Calculate Energy Efficiency Rating .

Calculating energy efficiency for a portable air conditioner involves first knowing the BTU rating. BTU stands for British Thermal Unit, which is a way of measuring a portable air conditioner's cooling output. At its core, BTU represents the amount of energy needed to raise the temperature of 1 pound of water 1°F. In the case of a portable .

• ### How to Calculate Manufacturing Efficiency | Bizfluent

Dec 10, 2018· Calculate Manufacturing Efficiency Divide the standard output by your actual output to get your manufacturing efficiency, then express it as a percentage. For example, dividing the standard cost of \$2.25 per tire pound by your \$2.50 per tire pound results in a …

• ### Steam Turbine Calculator - elliott-turbo

Please note: The U.S. DOE steam turbine calculator uses units of PSIG and °F. Though it sometimes shows °C for temperature, it will calculate as if your input was in °F. 1. Calculating Steam Turbine Power Given Steam Conditions and Flow. Set "Solve For" drop-down to Outlet Properties; For Inlet Steam section: Enter Inlet Pressure (PSIG)

• ### The Condenser Performance Test and Thermal Performance .

The thermal efficiency of the entire . indicated that the ratio of heat transfer coefficient about the old and the new tubes at the same flow rates and steam temperature. The condenser cleanliness coefficient . The Condenser Performance Test and Thermal Performance Analysis of Variable Conditions in TQNPC .

• ### Seasonal Energy Efficiency Ratio - AHRI

The efficiency of central air conditioning systems is rated by a Seasonal Energy Efficiency Ratio (SEER). In general, the higher the SEER, the less electricity the system needs to do its job. SEER is a mathematically determined ratio of the total cooling capacity during normal periods of operation (not to exceed 12 months) divided by the total .

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### SEER Savings Calculator for Air Conditioners | Kobie Complete

SEER Energy Savings Calculator. SEER is the acronym for Seasonal Energy Efficiency Ratio and tells you how energy efficient your air conditioner or heat pump is. The higher the SEER rating, the less energy your air conditioner consumes. Ever wondered how much money in electricity you could save by upgrading your air conditioner?

• ### Water Evaporator and Condenser Equations - Engineering ToolBox

Air conditioner heat loads, and evaporator and condenser water flow rates. . Calculating Cooling Loads - Calculating chiller and cooling tower refrigeration - in tons; Chilled Water Systems - Chilled water system equations . Scientific Online Calculator . 10 11 .

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### HVAC Efficiency Definitions - usair-eng

Energy Efficiency Ratio (EER) The energy efficiency ratio is used to evaluate the equipment's efficiency while in the cooling mode. EER is defined as the net cooling capacity (in Btuh) divided by the total electrical power input (in watts), as shown in EQ – 1. EER is calculated at a single very specific operating point and is typically only

• ### Condenser Calculation, Using Thermo Utilities v2.0, MS .

Condenser Calculation, Using Thermo Utilities, MS Excel Add-ins A surface condenser is required to deal with 15 000 kg/h wet steam. Wet steam temperature is 37 C and enters the condenser with 0.95 quality (dryness fraction is 0.95).

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### How to calculate the heat duty for heat exchangers

Sep 30, 2012· How to calculate the heat duty for heat exchangers? Lets first define the term "Heat duty" to understand what understand what exactly we are calculating. The Heat duty can be defined as the amount of heat needed to transfer from a hot side to the cold side over a unit of time.

• ### The Carnot Efficiency | EGEE 102: Energy Conservation and .

The above equation is multiplied by 100 to express the efficiency as percent. French Engineer Sadi Carnot showed that the ratio of Q HighT to Q LowT must be the same as the ratio of temperatures of high temperature heat and the rejected low temperature heat. So this equation, also called Carnot Efficiency, can be simplified as:

• ### 1.5:1 ratio for evaporators & condensers — Heating Help .

This brings us to our present day, higher efficiency systems that have larger condenser coils and evaporator coils. The larger condenser coil lowers the head pressure, while the larger evaporator coil raises the suction pressure. This combination lowers the compression ratio …

• ### Heat Exchanger Effectiveness - pages.mtu.edu

3. calculate Q 4. calculate Qfrom energy balance 5. compare, adjust, repeat. To calculate unknown outlet temperatures: This tedious procedure can be simplified by the definition of heat-exchanger effectiveness, ε. ©Faith A. Morrison, Michigan Tech U. 2 Heat Exchanger Effectiveness

• ### HVAC Efficiency Definitions - usair-eng

Energy Efficiency Ratio (EER) The energy efficiency ratio is used to evaluate the equipment's efficiency while in the cooling mode. EER is defined as the net cooling capacity (in Btuh) divided by the total electrical power input (in watts), as shown in EQ – 1. EER is calculated at a single very specific operating point and is typically only

• ### How to Calculate the Amount of Condensate Per Amount of .

Mar 13, 2018· How to Calculate the Amount of Condensate Per Amount of Steam . Industrial processes that use steam in heating systems must also capture the condensate to maintain a high efficiency. Therefore, the amount of condensate produced per amount of steam is a useful metric in designing and evaluating heating systems. . Calculate the total .

• ### Condenser efficiency calculator - Goodwillie, John E.

Condenser efficiency calculator . '45 throughout its length and provided with the movable contact arm E the position of which serves for indicating the efficiency of a condenser as the ratio of the operating value of K to the laboratory perfect value of K. 22 and 24 are control resistances, which, together with the movable arms C and D .

• ### How to Calculate Coefficient of Performance | Sciencing

Sep 26, 2019· Use the coefficient of performance formula to evaluate how well appliances like refrigerators work. As a simple, straightforward measure of energy, you can determine how effective some systems are compared to others by using COP. Specific applications like …

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### (PDF) CONDENSER AND COOLING TOWER PERFORMANCE AND …

So the performance of the condenser plays a very vital role on deciding the overall performance of power plant. Therefore our aim in this project is to study, analyse and various factors and parameters which are effecting the condenser performance and efficiency, calculate its performance and how its optimum performance can be achieved.

• ### Efficiency Calculator - Omni

This energy efficiency calculator is a simple tool for calculating the ratio of useful energy output to the energy input. You can use it for determining the proportions of heat energy, electric power, mechanical work, or even chemical energy.

• ### RTU Comparison Calculator Enhancement Plan - pnnl

EER = Energy Efficiency Ratio Majority of building owners are not familiar with the savings the new high efficiency RTU products provide. BTO has previously funded development of a RTU comparison calculator (RTUCC). RTUCC is a web-based tool that provides the user a way to compare energy consumption and costs for two

• ### Ideal Rankine Cycle - Indian Institute of Technology Kanpur

Ideal Rankine Cycle (a) Schematic representation of an ideal Rankine cycle (b) T-s diagram of an ideal Rankine cycle . Application of the First law of thermodynamics to the control volume (pump, steam generator, turbine and condenser), gives . Work done on pump, per kg of water, W P = h 2-h 1 . Energy added in steam generator, q 1 = h 3-h 2

• ### Condenser Calculator - Westermeyer Ind.

Incoming Water Temperature . Condensing Temperature

• ### How to Calculate SEER Ratings - Long Refrigeration

Sep 13, 2017· Energy, Efficiency, and Equations. As its name makes clear, a SEER is a ratio, so if you can plug the right numbers into the equation and do a little math, you can solve for the SEER rating of a cooling system. Are you curious about how to calculate SEER ratings and ready to try your hand at it? You'll need to start by locating two numbers.

• ### DISTILLATION - Thermopedia

The Optimum Reflux Ratio (R 0) is that at which the total cost of the distillation is a minimum, taking into account the capital cost of the column (which depends on the number of theoretical plates) and running cost, which depends on the reflux ratio. Note that the capital costs of the reboiler and condenser also depend on the reflux ratio.