3.12
- 101. What is the purpose of radiation shields?
- 102. What is radiation shield?
- 103. What is the net heat exchange between two gray surfaces?
- 104. Define radiosity.
- 105. Define irradiation.
- 106. What is black body?
- 107. What is real body?
- 108. What is gray body?
- 109. What is reciprocity relation for view factors?
- 110. Define view factor (shape factor).
- 111. What is Stefan–Boltzmann law?
- 112. What is Kirchhoff’s law of radiation?
- 113. What is transmissivity?
- 114. What is reflectivity?
- 115. What is absorptivity?
- 116. Define emissivity.
- 117. Define emissive power.
- 118. What is blackbody radiation?
- 119. What is electromagnetic spectrum?
- 120. Define thermal radiation.
- 121. What is dropwise condensation?
- 122. What is film condensation?
- 123. What are the types of condensation?
- 124. What is condensation?
- 125. Define Leidenfrost point.
- 126. What is pool boiling curve?
- 127. What is critical heat flux?
- 128. What is film boiling?
- 129. What is nucleate boiling?
- 130. What is boiling?
- 131. What is buoyancy force?
- 132. What is Boussinesq approximation?
- 133. What is the difference between free and forced convection?
- 134. What are typical Nusselt number correlations for natural convection?
- 135. What is the characteristic length in convection problems?
- 136. What factors influence natural convection heat transfer?
- 137. What are examples of natural convection systems?
- 138. What is Rayleigh number?
- 139. Define Grashof number.
- 140. What is natural convection?
- 141. What are the main applications of forced convection?
- 142. What is the Dittus-Boelter equation used for?
- 143. What is thermal entrance length?
- 144. What is hydrodynamic entrance length?
- 145. What are correlations for turbulent forced convection?
- 146. What are correlations for laminar forced convection?
- 147. What is the relationship between Nusselt, Reynolds, and Prandtl numbers?
- 148. What is Graetz number?
- 149. What is Nusselt number?
- 150. What is Reynolds number?
- 151. Define Prandtl number.
- 152. What is velocity boundary layer?
- 153. What is thermal boundary layer?
- 154. What is boundary layer in convection?
- 155. What factors affect convective heat transfer?
- 156. What is the convective heat transfer coefficient?
- 157. What is Newton’s law of cooling?
- 158. What is forced convection?
- 159. What is free (natural) convection?
- 160. Define convection.
- 161. What is the difference between long and short fins?
- 162. What is heat transfer rate from a fin?
- 163. What are applications of fins?
- 164. What is insulated tip fin?
- 165. What is an infinitely long fin?
- 166. Define fin effectiveness.
- 167. Define fin efficiency.
- 168. What are the types of fins?
- 169. What is the purpose of fins?
- 170. What are fins?
- 171. What is isotropic material?
- 172. What is anisotropic material?
- 173. What factors affect heat conduction?
- 174. What is critical radius of insulation?
- 175. What is conduction through a sphere?
- 176. What is conduction through a hollow cylinder?
- 177. What is contact resistance?
- 178. What is a heat flow analogy to electrical circuits?
- 179. What is the concept of thermal resistance in a composite wall?
- 180. Derive the heat conduction equation for a plane wall.
- 181. What are the assumptions in one-dimensional heat conduction?
- 182. What is temperature distribution?
- 183. What are boundary conditions in conduction?
- 184. Define thermal resistance.
- 185. What is thermal diffusivity?
- 186. What is one-dimensional heat conduction?
- 187. Define unsteady-state (transient) conduction.
- 188. Define steady-state conduction.
- 189. What are the units of thermal conductivity?
- 190. State Fourier’s law of heat conduction.
- 191. What is thermal equilibrium?
- 192. What is temperature gradient?
- 193. What is thermal conductivity?
- 194. What is heat flux?
- 195. Define radiation.
- 196. Define convection.
- 197. Define conduction.
- 198. What are the modes of heat transfer?
- 199. How is heat transfer different from thermodynamics?
- 200. What is heat transfer?