Assertion: honeycomb's length | /r/HasProperty | equal
Facets:
value: more preferably
type: DEGREE
Source sentences:
text: An embodiment of the present invention provides a honeycomb structure including a plurality of through-holes separated by a plurality of partition walls and provided in parallel along a longitudinal direction, wherein a thickness of each of the partition walls is less than or equal to about 0.25 mm, a length of each of the through-holes is equal to or greater than about 50-fold of a hydraulic diameter of each of the through-holes and less than or equal to about 350-fold of the hydraulic diameter of each of the through-holes, and an open area ratio (X) % of a cross section of the honeycomb structure perpendicular to the through-holes and a surface area per unit volume (Y (m2/L)) satisfy:
text: 1A , a honeycomb structure 11 of the present invention includes plural through-holes 12 separated by partition walls 15 and arranged in parallel along a longitudinal direction, and the thickness of each of the partition walls (below, simply referred to as wall thickness) is less than or equal to about 0.25 mm, the length of each of the through-holes 12 is equal to or greater than about 50-fold of the hydraulic diameter of each of the through-holes 12 and less than or equal to about 350-fold of the hydraulic diameter of each of the through-holes 12, and an open area ratio (X) % of a cross section of the honeycomb structure perpendicular to the through-holes 12 and a surface area per unit volume (Y (m2/L)) satisfy:
text: In the meantime, it is believed that if the length of the through-holes 12 is less than or equal to about 350-fold of the hydraulic diameter of the through-holes 12, the flow rate of the exhaust gas does not increase along with an increase of the pressure loss when the exhaust gas flows through the through-holes 12 of the honeycomb structure 11.
text: Thus, it is preferable that the length of the through-holes 12 be equal to or greater than about 50-fold of the hydraulic diameter of the through-holes 12 and less than or equal to about 350-fold of the hydraulic diameter of the through-holes 12.
text: More preferably, the length of the through-holes 12 is equal to or greater than about 50-fold of the hydraulic diameter of the through-holes 12 and less than or equal to about 250-fold of the hydraulic diameter of the through-holes 12.
text: Further, it is found that the honeycomb structure as described by equation (1) has high catalytic performance when the wall thickness is less than or equal to about 0.25 mm, and the length of the through-holes is equal to or greater than about 50-fold of a hydraulic diameter of each of the through-holes and less than or equal to about 350-fold of the hydraulic diameter of the through-holes.
text: The present invention provides a honeycomb structure including a plurality of through-holes separated by a plurality of partition walls and provided in parallel along a longitudinal direction, wherein a thickness of each of the partition walls is less than or equal to 0.25 mm, a length of each of the through-holes is equal to or greater than 50-fold of a hydraulic diameter of each of the through-holes and less than or equal to 350-fold of the hydraulic diameter of each of the through-holes, and an open area ratio (X)% of a cross section of the honeycomb structure perpendicular to the through-holes and a surface area per unit volume (Y (m/L)) satisfy:
text: 1A, a honeycomb structure 11 of the present invention includes plural through-holes 12 separated by partition walls 15 and arranged in parallel along a longitudinal direction, and the thickness of each of the partition walls (below, simply referred to as wall thickness) is less than or equal to 0.25 mm, the length of each of the through-holes 12 is equal to or greater than 50-fold of the hydraulic diameter of each of the through-holes 12 and less than or equal to 350-fold of the hydraulic diameter of each of the through-holes 12, and an open area ratio (X)% of a cross section of the honeycomb structure perpendicular to the through-holes 12 and a surface area per unit volume (Y (m/L)) satisfy:
text: Thus, it is preferable that the length of the through-holes 12 be equal to or greater than 50-fold of the hydraulic diameter of the through-holes 12 and less than or equal to 350-fold of the hydraulic diameter of the through-holes 12.
text: More preferably, the length of the through-holes 12 is equal to or greater than 50-fold of the hydraulic diameter of the through-holes 12 and less than or equal to 250-fold of the hydraulic diameter of the through-holes 12.
text: Further, it is found that the honeycomb structure as described by equation (1) has high catalytic performance when the wall thickness is less than or equal to 0.25 mm, and the length of the through-holes is equal to or greater than 50-fold of a hydraulic diameter of each of the through-holes and less than or equal to 350-fold of the hydraulic diameter of the through-holes.