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3 ) ( 3 5 pts ) Thermal Conductivity of a New Biomaterial OSU Bioengineer Dr . Kaitlin Fogg and her graduate students have fabricated
pts Thermal Conductivity of a New Biomaterial OSU Bioengineer Dr Kaitlin Fogg and her graduate students have fabricated a new collagenbased biomaterial for culturing cells for their cervical cancer research. They need to know the thermal conductivity of the biomaterial. They have asked the Rochefort Lab for help to devise an experiment to measure the thermal conductivity of the biomaterial. We will use a heated rod device to estimate the thermal conductivity of a new biomaterial. The material is wrapped around a cylindrical heating rod. The exposed ends of the device are sealed and insulated. The heating rod generates kW of heat which is uniformly dissipated through the biomaterial. The heating rod dimensions are Dcm and cm The temperature at the surface of the heating rod is measured using a thermocouple to be C and is constant down the length L of the rod. The thickness of the biomaterial surrounding the heating rod is cm and the temperature of the surrounding bulk air is constant at C The convective heat transfer coefficient of the air film surrounding the insulating material is W Show all your work including UNITS a Sketch and label the experimental setup and state all your assumptions. b What is the thermal conductivity of the biomaterial, kB c What is the surface temperature at the outside of the biomaterial.pts Thermal Conductivity of a New Biomaterial
OSU Bioengineer Dr Kaitlin Fogg and her graduate students have fabricated a new collagenbased
biomaterial for culturing cells for their cervical cancer research. They need to know the thermal
conductivity of the biomaterial. They have asked the Rochefort Lab for help to devise an experiment to
measure the thermal conductivity of the biomaterial.
We will use a heated rod device to estimate the thermal conductivity of a new biomaterial. The
biomaterial is wrapped around a cylindrical heating rod. The exposed ends of the device are sealed and
insulated. The heating rod generates of heat which is uniformly dissipated through the
biomaterial. The heating rod dimensions are and The temperature at the surface
of the heating rod is measured using a thermocouple to be and is constant down the length
of the rod. The thickness of the biomaterial surrounding the heating rod is and the temperature
of the surrounding bulk air is constant at The convective heat transfer coefficient of the air film
surrounding the biomaterial is
Show all your work including UNITS
a Sketch and label the experimental setup and state all your assumptions.
b What is the surface temperature at the outside of the biomaterial.
c What is the thermal conductivity of the biomaterial,
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