Continue to Site

Eng-Tips is the largest engineering community on the Internet

Intelligent Work Forums for Engineering Professionals

  • Congratulations SSS148 on being selected by the Eng-Tips community for having the most helpful posts in the forums last week. Way to Go!

Search results for query: *

  • Users: autonub
  • Content: Threads
  • Order by date
  1. autonub

    Calculating TIme to Reach Desired Chemical Concentration

    This should be an easy one, but how do you calculate the time it takes to raise a tank of liquid up to a certain chemical concentration given the following known parameters: Input Tank Volume in Gallons Output Flow Rate in Gal/hr Concentration of Output in parts-per-million Desired Increase in...
  2. autonub

    Anyone familiar with Phoenix Contact PLCs and HMIs?

    Greetings, I'm attempting to create a method for logging a history of alarm faults for viewing with corresponding time stamps in an organized format on an accompanying HMI screen. The way I see it I have two options. The first option is to program the entire thing, starting with an array...
  3. autonub

    What is the convention for -Vs?

    I'm used to working with closed loop diagrams from college and during my research. However, in practice it is very common for the main lines from the output of an AC/DC power supply to continue from one page or sheet to the next. At the bottom and top of each line it is necessary to state the...
  4. autonub

    Solenoid Diaphragm Pump: Circuit Protection

    I have a gamma/L pump from Prominent. I'm curious what the standard recommendations are for circuit protection when using these types of pumps (solenoid diaphragm pumps). I already have a circuit breaker in my design near the AC source. Would an overload relay be appropriate or unnecessary? I...
  5. autonub

    Ultrasonic Transducer Design Question

    Hello. I'm interested in learning about trasducer design and engineering. I don't have the means to purchase any text books or other publications. Do any of you know of any good resources? I'm specifically interested in learning how to design transducers optimized for generating cavitations...
  6. autonub

    ampacity and cooling

    Hello! I'm having a little difficulty figuring out how to calculate the maximum ampacity of a metal submerged in water with a constant temperature and flow rate. For example, say we have an aluminum cylinder (solid and without insulation) submerged in water flowing at 30 gallons per minute at a...

Part and Inventory Search