Total heat generated in resistance welding Calculator

✖Constant to Account for Heat Losses takes into account the efficiency of the system. If value not given then assume as 1.ⓘ Constant to Account for Heat Losses [k]			+10% -10%
✖Input current is the current sent to the wire.ⓘ Input Current [i_o]			+10% -10%
✖Resistance is a measure of the opposition to current flow in an electrical circuit. Its S.I unit is ohm.ⓘ Resistance [R]			+10% -10%
✖Time can be defined as the ongoing and continuous sequence of events that occur in succession, from the past through the present to the future.ⓘ Time [t]			+10% -10%

✖Heat Generated is the amount of heat energy produced or transferred from one form to another form.ⓘ Total heat generated in resistance welding [H]

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Formula

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Total heat generated in resistance welding

Formula

`"H" = "k"*"i"_{"o"}^2*"R"*"t"`

Example

`"21.13592KJ"="0.85"*("0.7A")^2*"18.7950Ω"*"0.75h"`

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Total heat generated in resistance welding Solution

STEP 0: Pre-Calculation Summary

Formula Used

Heat Generated = Constant to Account for Heat Losses*Input Current^2*Resistance*Time
H = k*i_o^2*R*t
This formula uses 5 Variables

Variables Used

Heat Generated - (Measured in Joule) - Heat Generated is the amount of heat energy produced or transferred from one form to another form.
Constant to Account for Heat Losses - Constant to Account for Heat Losses takes into account the efficiency of the system. If value not given then assume as 1.
Input Current - (Measured in Ampere) - Input current is the current sent to the wire.
Resistance - (Measured in Ohm) - Resistance is a measure of the opposition to current flow in an electrical circuit. Its S.I unit is ohm.
Time - (Measured in Second) - Time can be defined as the ongoing and continuous sequence of events that occur in succession, from the past through the present to the future.

STEP 1: Convert Input(s) to Base Unit

Constant to Account for Heat Losses: 0.85 --> No Conversion Required
Input Current: 0.7 Ampere --> 0.7 Ampere No Conversion Required
Resistance: 18.795 Ohm --> 18.795 Ohm No Conversion Required
Time: 0.75 Hour --> 2700 Second (Check conversion here)

STEP 2: Evaluate Formula

Substituting Input Values in Formula

H = k*i_o^2*R*t --> 0.85*0.7^2*18.795*2700

Evaluating ... ...

H = 21135.91725

STEP 3: Convert Result to Output's Unit

21135.91725 Joule -->21.13591725 Kilojoule (Check conversion here)

FINAL ANSWER

21.13591725 ≈ 21.13592 Kilojoule <-- Heat Generated

(Calculation completed in 00.020 seconds)

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Created by Rajat Vishwakarma

University Institute of Technology RGPV (UIT - RGPV), Bhopal

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Institute of Aeronautical Engineering (IARE), Hyderabad

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< 11 Heat Input in Welding Calculators

Net heat supplied to joint

Go Heat Required per Unit Volume = Heat Transfer Efficiency*Electrode Potential*Electric Current/(Melting Efficiency*Travel Speed of Electrode*Area)

Heat required to Melt Joint

Go Heat Required = Mass*((Specific Heat Capacity at Constant Pressure*Rise in Temperature)+Latent Heat of Fusion)

Total heat generated in resistance welding

Go Heat Generated = Constant to Account for Heat Losses*Input Current^2*Resistance*Time

Rated Duty Cycle given Actual Duty Cycle

Go Rated Duty Cycle = Required Duty Cycle*(Maximum current new add/Rated Current)^2

Required Duty cycle for arc welding

Go Required Duty Cycle = Rated Duty Cycle*(Rated Current/Maximum current new add)^2

Net heat per unit volume available for Arc welding

Go Heat Required per Unit Volume = Input Power/(Travel Speed of Electrode*Area)

Heat Transfer Efficiency

Go Heat Transfer Efficiency = Net Heat Supplied/Heat Generated

Power given Electric Potential Difference and Electric Current

Go Power = Electric Potential Difference*Electric Current

Power given Electric Potential Difference and Resistance

Go Power = (Electric Potential Difference^2)/Resistance

Melting Efficiency

Go Melting Efficiency = Heat Required/Net Heat Supplied

Power given Electric Current and Resistance

Go Power = Electric Current^2*Resistance

Total heat generated in resistance welding Formula

Heat Generated = Constant to Account for Heat Losses*Input Current^2*Resistance*Time
H = k*i_o^2*R*t

How to calculate total heat generated during resistance welding?

To calculated total heat generated at the joint, we need to know the the input current at electrode, resistance of joint, time for which current is supplied and a constant to cover heat loss and heat transfer efficiency. Heat transfer efficiency can be taken as 1 if not given.

How to Calculate Total heat generated in resistance welding?

Total heat generated in resistance welding calculator uses Heat Generated = Constant to Account for Heat Losses*Input Current^2*Resistance*Time to calculate the Heat Generated, The Total heat generated in resistance welding is due to the contact resistance at the joint, which melts it. Heat Generated is denoted by H symbol.

How to calculate Total heat generated in resistance welding using this online calculator? To use this online calculator for Total heat generated in resistance welding, enter Constant to Account for Heat Losses (k), Input Current (i_o), Resistance (R) & Time (t) and hit the calculate button. Here is how the Total heat generated in resistance welding calculation can be explained with given input values -> 0.021136 = 0.85*0.7^2*18.795*2700.

FAQ

What is Total heat generated in resistance welding?

The Total heat generated in resistance welding is due to the contact resistance at the joint, which melts it and is represented as H = k*i_o^2*R*t or Heat Generated = Constant to Account for Heat Losses*Input Current^2*Resistance*Time. Constant to Account for Heat Losses takes into account the efficiency of the system. If value not given then assume as 1, Input current is the current sent to the wire, Resistance is a measure of the opposition to current flow in an electrical circuit. Its S.I unit is ohm & Time can be defined as the ongoing and continuous sequence of events that occur in succession, from the past through the present to the future.

How to calculate Total heat generated in resistance welding?

The Total heat generated in resistance welding is due to the contact resistance at the joint, which melts it is calculated using Heat Generated = Constant to Account for Heat Losses*Input Current^2*Resistance*Time. To calculate Total heat generated in resistance welding, you need Constant to Account for Heat Losses (k), Input Current (i_o), Resistance (R) & Time (t). With our tool, you need to enter the respective value for Constant to Account for Heat Losses, Input Current, Resistance & Time and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

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