Category: Engineering

I need the animation (simulation) of a station of work that I have already on solidworks, I need for tecnomatix process simulation
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The picture is attached for last week to pick a part to get approved for reverse engineering. Another picture is for this week′s assignment to start the reverse engineering of the pedestal fan. Looking like I need to keep a journal entry of what I do to create the reverse engineering.
My professor forgot to remove Autocad and change it to Solidworks 2022.

It is a project in petroleum engineering from Heriot Watt Univercity in UK . 120 papers including graphes and tables . I need someone who completed similar projects and has Petroleum engineering background. I have added some examples which will help a lot and reduce the efforts and time . the Project data is also added which the entire work will be on it . the one will take the project need to provide a bi-weekly progress report to discuss and ensure all are in place . some references are added . it is better to referee to these files
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The air conditioning (A/C) unit of a car is operating on a summer day when the temperature is
30°C. It cools the air to 6°C using 2.5 kW of power output. The A/C has a COP of 3. Find the mass
flow rate of the cold air that the A/C unit can provide on that particular day.
(b) A building freezer that is used to freeze vegetables requires 30 tons of refrigeration to keep the
food frozen. The temperature of the freezer is -35°C and the ambient temperature outside the
building is 30°C. If the performance of the freezer is 25% of the theoretical best possible cycle,
what is the power required to run the freezer. 1 ton of refrigeration is equivalent to 210 kJ/min.

I have attached the assignment 2 file is our group’s work.
My part is 6.2 Cross Sections.
…………………….
Look at the assignment Assignment 2_CIVE1257-2 (1) file. You will find number 4: Choose my part requirements which is about Cross Sections.
1/ I want you to write an essay about what I did ( my part requirements which is about Cross Sections) in the group report, and I will also give you some information that you must include in this essay.
2/ Write a conclusion for all this report.
……………………………
I attached as well information 1 file
3.6 Turnouts and Crossings Page 20 – 21
I would be happy if you get some information and ideas.
……….
See information 2 file for add some numbers:
When I do the cross sections, I Use 20 metres to get the right scale.
Write everything you can. If you do not understand something, write it in general
But please, the conclusion must be professional

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Designing a Common Drain NMOS amplifier circuit in LTspice involves several steps. Here′s a guide to help you set up the simulation:
1. **Create the Circuit**:
– Place an **NMOS transistor** and label it as ′nmos′.
– Connect a **resistor** (2kΩ to 20kΩ) between the gate (G) and the input voltage source (vin).
– Connect a **resistor** (200kΩ to 1MΩ) between the source (S) and ground (GND).
– Connect another **resistor** (200kΩ to 1MΩ) between the source (S) and a negative DC source (-VSS).
– Add a positive DC source (VDD) to the drain (D) if not included in your desсrіption.
2. **Configure the Source**:
– For the input source, use a **sine wave** with a DC offset as specified in your project.
3. **Set the NMOS Parameters**:
– Use the `.model` command to define the NMOS characteristics, including the **threshold voltage (Vth)** between 0.5V and 0.9V.
4. **Run the Simulation**:
– Choose the type of analysis (transient analysis for time-domain response).
– Run the simulation to observe the output waveform at the source of the NMOS.
5. **Measurements**:
– Use the `.meas` directive to calculate the **output′s peak-to-peak voltage**.
– Calculate the **input′s peak-to-peak voltage** similarly.
– To find the **voltage gain (Av)**, divide the output′s peak-to-peak voltage by the input′s peak-to-peak voltage. Ensure it′s between 0.9 and 1 as per your requirements.
Here′s an example of how you might set up the `.model` command and `.meas` directive in LTspice:
“`spice
.model nmos NMOS (Vto＝0.7 KP＝120u W＝1 L＝1)
.meas AC Gain MAX V(source)/V(vin)
“`
Make sure to adjust the parameters according to your specific project needs. If you need further assistance with LTspice or have more detailed questions, feel free to ask!
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Playing with sensors and actuators using the Arduino microcomputer and Tinkercad
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