Question

Asked Oct 9, 2019

66 views

An extruder barrel has a diameter of 110 mm and a length of 3.0 m. The screw channel depth = 7.0 mm, and its pitch = 95 mm. The viscosity of the polymer melt is 105 Pa-s, and the head pressure in the barrel is 4.0 MPa. What rotational speed of the screw is required to achieve a volumetric flow rate of 90 cm^{3}/s?

1 Rating

Step 1

Calculate the flight angle.

Step 2

Calculate the drag flow rate.

Step 3

Calculate the back...

Tagged in

Find answers to questions asked by student like you

Show more Q&A

Q: Refrigerant 134a enters the condenser of a residential heat pump at 900 kPa and 40 degrees C at a ra...

A: Assumption:Pump operate in steady stateKinetic and potential energies are neglected. Solution:Draw t...

Q: Calculate the maximum velocity of slider B if the system is released from rest with x y. Motion is i...

A: Refer the given figure and apply the Pythagorean Theorem.

Q: Model space is: a. Only for three-dimensional objects b. Limited in size so you must scale your mode...

A: Model space: It is a 3-dimentional or 2-dimentional space to plot geometric objects in the AutoCAD.I...

Q: can Boyles law work for hydraulic fluids as it does for compressed air?

A: Boyle’s law is Gas Law . It is applicable only for ideal gasses .Boyle’s states that for a given am...

Q: The 32-kg spool of outer radius ro 420 mm has a centroidal radius of gyration k 265 mm and a central...

A: Draw the free body diagram of the spool as:

Q: A heat recovery system (HRS) is used to conserve heat from the surroundings and supply it to the Ma...

A: The temperature on mars surface (T1) is 189 K.

Q: The disc rolls such that the angular acceleration= 4 rad/s2 and and the angular velocity=2 rad/s. As...

A: Write the expression to obtain the acceleration of point C.

Q: A liquid with dynamic viscosity 0.3 Pa.s is sandwiched between two parallel plates, the lower plate ...

A: Write the expression of shear rate.

Q: C. Consider a typical ranch-style house with brick walls and single pane windows as found in Atlanta...

A: Note: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the questio...