### Calculation of Flow through Nozzles and Orifices

This article provides calculation methods for correlating design, flow rate and pressure loss as a fluid passes through a nozzle or orifice. Nozzles and orifices are often used to deliberately reduce pressure, restrict flow or to measure flow rate. Get price

### Vertical roller mill for raw Application p rocess materials

Vertical roller mill for raw materials Application p rocess Raw material process Background Grinding raw materials needs lots of energy. Specific power consumption of tube mill only kWh/t-RM 14.2 10.6 25% down Departmental power consumption rate kWh/t Get price

### An Analytical Approach to Wet Cooling Towers Based on

An analytical solution for computing the temperature distribution of air and water over the height through the cooling tower is so complex that finding the exact solution takes too much time. The purpose of this paper is to present efficient and accurate analytical expressions for the heat and mass transfer model in cooling towers. Based on the method of functional analysis, we derived Get price

### (PDF) THE LOAD CALCULATION OF AUTOMOBILE AIR

The vertical glass' solar heat gain is evaluated by using ASHRAE data. The U value method is used to calculate heat transfer between the outside and inside cabin. Heat gains from infiltration, occupant, and HVAC unit blower motors are considered in the cooling load calculation.The method accuracy was validated using wind tunnel tests. Get price

### FURNACES AND REFRACTORIES

(i) heat-up time (ii) soaking time and (iii) forging time. Specific fuel consumption depends upon the type of material and number of 'reheats' required. 2.1.2 Re-rolling mill furnace a) Batch type A box type furnace is used as a batch type re-rolling mill. This furnace Get price

### Calculate Total Dynamic Head for Industrial Pumps

15 feet of vertical distance + 3.8 feet of friction loss = 18.8 feet of total dynamic head. Other Considerations When Calculating Total Dynamic Head Other factors which can affect the friction loss include specific gravity, viscosity and temperature. Get price

### TECHNICAL CALCULATION AND ESTIMATOR'S MAN

estimator encounters when wo rking on technical calculations for specific technologies. V ery often tenders were not complete and not detailed enough, and the time required for a good technical calculation is getting every day shorter. It is not easy to present Get price

### FURNACES AND REFRACTORIES

(i) heat-up time (ii) soaking time and (iii) forging time. Specific fuel consumption depends upon the type of material and number of 'reheats' required. 2.1.2 Re-rolling mill furnace a) Batch type A box type furnace is used as a batch type re-rolling mill. This furnace Get price

### A case study on energy and exergy analyses for an

14/1/2021Generally, electrical energy is used for a raw mill in the cement plants; hence, the energy intensity of the raw mill (EI RM) is expressed using the following electricity intensity calculation that can be utilized to benchmark : (3) EI RM = Eenergy consumption r. m (k Get price

### Energy Conservation in Sugar Industries*

Energy consumption can be optimized using 5 num bers of roll s in 3-roller mills, by adjusting the mill speed to 10-1 I metre per minute, by 2-roller pressure feeders and roughing hard surfacing of the mill roller cell s, optimi sing operating speed of the mills Get price

### Calculation of Flow through Nozzles and Orifices

This article provides calculation methods for correlating design, flow rate and pressure loss as a fluid passes through a nozzle or orifice. Nozzles and orifices are often used to deliberately reduce pressure, restrict flow or to measure flow rate. Get price

### Boiler Efficiency: Introduction and Methods of Calculation

No information about individual losses and their magnitudes is conveyed from direct efficiency calculation. There always exists some difference in the values of direct and indirect efficiencies. Indirect efficiency is measured at a particular time whereas direct efficiency is measured over a period of time and hence, losses on account of fluctuating loads, boiler on-off etc. are also Get price

### Heat flow, depth–temperature variations and stored

For the feasible cooling of rock mass by 100 C, at the specific heat capacity of water of 4000 J (kg-1 C-1), a flow rate of 100 kg s-1 (triplet system with one well injecting water and two producing wells), for the factor-thermal to electrical of 0.15 * MWth, Get price

### PDHonline Course M371 (2 PDH) Shell and Tube Heat Exchangers Basic Calculations

Specific Heat: Is defined as the amount of heat energy needed to raise 1 gram of a substance 1 C in temperature, or, the amount of energy needed to raise one pound of a substance 1 F in temperature. Q = m.Cp. (T 2 – T 1) Where: Q = heat energy (Joulesm Get price

### calculation of specific heat consumption for a vertical mill

calculation of specific heat consumption for a vertical mill As a leading global manufacturer of crushing, grinding and mining equipments, we offer advanced, reasonable solutions for any size-reduction requirements including quarry, aggregate, and different kinds of minerals. Get price

### Calculation and Design of the Heat Pumps

2) Length of the pipe for vertical heat exchanger is 13 m/kW to 17 m/kW, andfor the horizontal approximately 30% to 50% longer 3) Installation depth of the horizontal heat exchanger is from 1,2 m to 1,8 m In the following example, calculation will be performed2 Get price

### Manufacturing Calculators and Widgets

Thermal diffusivity is a material property which describes the rate at which heat flows through a material, typically measured in mm/s or in/hr. This property is commonly used in conjunction with other thermodynamic properties to estimate the cooling time of molten plastic in the injection molding process. Get price

### 29.8 2001 ASHRAE Fundamentals Handbook (SI)

29.8 2001 ASHRAE Fundamentals Handbook (SI) fan-cooled (TEFC) motors are slightly more efficient. For speeds lower or higher than those listed, efficiencies may be 1 to 3% lower or higher, depending on the manufacturer. Should actual voltages at motors be Get price

### A/C Cooling Load calculation and measurement

29/7/2017Testo Inc. 40 White Lake Rd. Sparta NJ 07871 (800) 227-0729 A/C Cooling Load calculation and measurement When we talk about sizing an air conditioning appliance (tons of cooling, BTU/h or KW), we are specifying the cooling capacity (power) that needs to Get price

### How to Calculate KW Requirements for Typical Heater

30/11/2015The KW calculation to raise the temperature of a material in a tank (heat-up) starts with the same information required in the maintain application. Additionally we'll need the weight of the material to be heated, the specific heat of the material and the time required to heat the material from its start temperature to its end temperature. Get price

### IMPROVING THERMAL AND ELECTRIC ENERGY EFFICIENCY AT

Improving Thermal and Electric Energy Efficiency at Cement Plants: International Best Practice vThis report was produced in cooperation between IFC, SNIC (Sindicato Nacional da Indstria do Cimento), ABCP (Associao Brasileira de Cimento Portland), and INT Get price

### Fundamentals of building heat transfer

cooling load calculation, which is a starting point for building energy consumption analysis and equipment sizing. Detailed discussion is given of the relati onship between heat loss (heat gain) and heating load (cooling load). Also outlined is a discussion of Get price

### Vertical Mill Calculations

Vertical Mill Vertical Mill Layout, Alternatives. Vertical mill calculations Symbols Power consumption Grinding pressure Mill internals Nozzle ring Dam ring Heat balances, Example Layout Alternatives There are two basic layouts of the VRM system; product collection in cyclone(s) or product collection in filter. Get price

### FURNACES AND REFRACTORIES

(i) heat-up time (ii) soaking time and (iii) forging time. Specific fuel consumption depends upon the type of material and number of 'reheats' required. 2.1.2 Re-rolling mill furnace a) Batch type A box type furnace is used as a batch type re-rolling mill. This furnace Get price

### 29.8 2001 ASHRAE Fundamentals Handbook (SI)

29.8 2001 ASHRAE Fundamentals Handbook (SI) fan-cooled (TEFC) motors are slightly more efficient. For speeds lower or higher than those listed, efficiencies may be 1 to 3% lower or higher, depending on the manufacturer. Should actual voltages at motors be Get price

### How to Calculate Heat Capacity

26/3/2020Specific heat capacity (often simply called specific heat to avoid confusion) and heat capacity both describe how objects change in temperature in relation to heat added; specific heat capacity does this on a per-gram basis. The standard heat capacity equation is Get price

### Induction heating power calculation tool

This power calculation gives you approximate refrence value for your induction heating application. Material Specific heat capacity Wh / kg x C Power consumption Wh Specific cold resistance Ohms x mm2 / m Temperature coefficient 1/K Specific resistance Get price

### OPTIMAL CONTROL OF HEATING IN A REHEATING FURNACE

average fuel consumption of the conventional metal heating process is 1,6 GJ/t [1, 2] or 18 % of the total specific energy costs of rolling steel. If the required fi-nal heating temperature is not reached, the specific en-ergy costs for the rolling mill will increase and Get price

### Steam Consumption of Heat Exchangers

Steam consumptionm calculations for heat exchangers Shell and tube heat exchangers and plate heat exchangers are typical examples of flow type applications. Therefore, when determining the steam consumption for these applications, Equation 2.6.5 should be Get price

### Improving the Performance of Loesches Vertical Mill 3 at

The solution was applied first in the raw material millRM3, a vertical roller mill LM 63.4 with a capacity of 505 t/h and a specific powerconsumption of the main drives (mill motor, mill fan and classifier) of 15,8 kWh/t.The mill is a vertical roller mill from Loesche."We Get price