Question

Consider a material that can conduct both heat and charge (see schematic). a. Write out the linear equations that relate the heat flux and the charge flux to the operant driving forces, -(gradT)/(T) and E=-gradphi, respectively. b. Measurements of the heat flux are made and the data reported on the graph below. Indicate, by illustrating directly on the graph, the values of the Onsager coefficients L_(QQ) and L_(Qq) from the force-flux relationships. c. Consider the same materials system conducting heat and charge with a fixed electric field of strength +E_(0). Would you expect the charge flux at a fixed field to increase or decrease with increasing thermal gradient gradT? Hint: consider the sign of the intercept of the plot with E^(app)=+E_(0). 4. Consider a material that can conduct both heat and charge (see schematic). a. Write out the linear equations that relate the heat flux and the charge flux to the operant driving forces, -(gradT)/T and E = -gradphi, respectively. b. Measurements of the heat flux are made and the data reported on the graph below. Indicate, by illustrating directly on the graph, the values of the Onsager coefficients L_(QQ) and L_(Qq) from the force-flux relationships. c. Consider the same materials system conducting heat and charge with a fixed electric field of strength +E_(0). Would you expect the charge flux at a fixed field to increase or decrease with increasing thermal gradient T? Hint: consider the sign of the intercept of the plot with E^(app) = +E_(0).

Name: consider a material that can conduct both heat and charge see schematic a write out the linear equations that relate the heat flux and the charge flux to the operant driving forces gradtt an 74795
Uploaded: 2022-01-11T16:06:42-08:00
Duration: 2 min 58 s
Channel: Manish Jain
Description: consider a material that can conduct both heat and charge see schematic a write out the linear equations that relate the heat flux and the charge flux to the operant driving forces gradtt an 74795

          Consider a material that can conduct both heat and charge (see schematic).
a. Write out the linear equations that relate the heat flux and the charge flux to the operant driving forces, -(gradT)/(T) and E=-gradphi, respectively.
b. Measurements of the heat flux are made and the data reported on the graph below. Indicate, by illustrating directly on the graph, the values of the Onsager coefficients L_(QQ) and L_(Qq) from the force-flux relationships.
c. Consider the same materials system conducting heat and charge with a fixed electric field of strength +E_(0). Would you expect the charge flux at a fixed field to increase or decrease with increasing thermal gradient gradT?
Hint: consider the sign of the intercept of the plot with E^(app)=+E_(0).

4. Consider a material that can conduct both heat and charge (see schematic).
a. Write out the linear equations that relate the heat flux and the charge flux to the operant driving forces, -(gradT)/T and E = -gradphi, respectively.
b. Measurements of the heat flux are made and the data reported on the graph below. Indicate, by illustrating directly on the graph, the values of the Onsager coefficients L_(QQ) and L_(Qq) from the force-flux relationships.
c. Consider the same materials system conducting heat and charge with a fixed electric field of strength +E_(0). Would you expect the charge flux at a fixed field to increase or decrease with increasing thermal gradient T?
Hint: consider the sign of the intercept of the plot with E^(app) = +E_(0).

consider a material that can conduct both heat and charge see schematic a write out the linear equations that relate the heat flux and the charge flux to the operant driving forces gradtt an 74795

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