{"id":5668,"date":"2020-07-23T13:37:25","date_gmt":"2020-07-23T04:37:25","guid":{"rendered":"http:\/\/diic.cafe24.com\/eng\/?page_id=5668"},"modified":"2020-07-23T17:08:48","modified_gmt":"2020-07-23T08:08:48","slug":"%ed%8a%b8%eb%9f%ac%ec%8a%a4%ed%84%b0_%ec%84%a4%ec%b9%98%ea%b4%80%eb%a0%a8","status":"publish","type":"page","link":"https:\/\/d-i.co.kr\/eng\/?page_id=5668","title":{"rendered":"\ud2b8\ub7ec\uc2a4\ud130_\uc124\uce58\uad00\ub828"},"content":{"rendered":"

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\n\t\t\t\t\t

Installation<\/h2><\/div><\/div><\/p><\/div>\n

[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=”3.25″ background_size=”initial” background_position=”top_left” background_repeat=”repeat” hover_enabled=”0″][et_pb_column type=”1_2″ _builder_version=”3.0.47″ custom_padding=”|||” hover_enabled=”0″ custom_padding__hover=”|||”][et_pb_text _builder_version=”4.0.11″ z_index_tablet=”500″ hover_enabled=”0″ text_text_shadow_horizontal_length=”text_text_shadow_style,%91object Object%93″ text_text_shadow_vertical_length=”text_text_shadow_style,%91object Object%93″ text_text_shadow_blur_strength=”text_text_shadow_style,%91object Object%93″ text_text_shadow_horizontal_length_tablet=”0px” text_text_shadow_vertical_length_tablet=”0px” text_text_shadow_blur_strength_tablet=”1px” link_text_shadow_horizontal_length=”link_text_shadow_style,%91object Object%93″ link_text_shadow_vertical_length=”link_text_shadow_style,%91object Object%93″ link_text_shadow_blur_strength=”link_text_shadow_style,%91object Object%93″ link_text_shadow_horizontal_length_tablet=”0px” link_text_shadow_vertical_length_tablet=”0px” link_text_shadow_blur_strength_tablet=”1px” ul_text_shadow_horizontal_length=”ul_text_shadow_style,%91object Object%93″ ul_text_shadow_vertical_length=”ul_text_shadow_style,%91object Object%93″ ul_text_shadow_blur_strength=”ul_text_shadow_style,%91object Object%93″ ul_text_shadow_horizontal_length_tablet=”0px” ul_text_shadow_vertical_length_tablet=”0px” ul_text_shadow_blur_strength_tablet=”1px” ol_text_shadow_horizontal_length=”ol_text_shadow_style,%91object Object%93″ ol_text_shadow_vertical_length=”ol_text_shadow_style,%91object Object%93″ ol_text_shadow_blur_strength=”ol_text_shadow_style,%91object Object%93″ ol_text_shadow_horizontal_length_tablet=”0px” ol_text_shadow_vertical_length_tablet=”0px” ol_text_shadow_blur_strength_tablet=”1px” quote_text_shadow_horizontal_length=”quote_text_shadow_style,%91object Object%93″ quote_text_shadow_vertical_length=”quote_text_shadow_style,%91object Object%93″ quote_text_shadow_blur_strength=”quote_text_shadow_style,%91object Object%93″ quote_text_shadow_horizontal_length_tablet=”0px” quote_text_shadow_vertical_length_tablet=”0px” quote_text_shadow_blur_strength_tablet=”1px” header_text_shadow_horizontal_length=”header_text_shadow_style,%91object Object%93″ header_text_shadow_vertical_length=”header_text_shadow_style,%91object Object%93″ header_text_shadow_blur_strength=”header_text_shadow_style,%91object Object%93″ header_text_shadow_horizontal_length_tablet=”0px” header_text_shadow_vertical_length_tablet=”0px” header_text_shadow_blur_strength_tablet=”1px” header_2_text_shadow_horizontal_length=”header_2_text_shadow_style,%91object Object%93″ header_2_text_shadow_vertical_length=”header_2_text_shadow_style,%91object Object%93″ header_2_text_shadow_blur_strength=”header_2_text_shadow_style,%91object Object%93″ header_2_text_shadow_horizontal_length_tablet=”0px” header_2_text_shadow_vertical_length_tablet=”0px” header_2_text_shadow_blur_strength_tablet=”1px” header_3_text_shadow_horizontal_length=”header_3_text_shadow_style,%91object Object%93″ header_3_text_shadow_vertical_length=”header_3_text_shadow_style,%91object Object%93″ header_3_text_shadow_blur_strength=”header_3_text_shadow_style,%91object Object%93″ header_3_text_shadow_horizontal_length_tablet=”0px” header_3_text_shadow_vertical_length_tablet=”0px” header_3_text_shadow_blur_strength_tablet=”1px” header_4_text_shadow_horizontal_length=”header_4_text_shadow_style,%91object Object%93″ header_4_text_shadow_vertical_length=”header_4_text_shadow_style,%91object Object%93″ header_4_text_shadow_blur_strength=”header_4_text_shadow_style,%91object Object%93″ header_4_text_shadow_horizontal_length_tablet=”0px” header_4_text_shadow_vertical_length_tablet=”0px” header_4_text_shadow_blur_strength_tablet=”1px” header_5_text_shadow_horizontal_length=”header_5_text_shadow_style,%91object Object%93″ header_5_text_shadow_vertical_length=”header_5_text_shadow_style,%91object Object%93″ header_5_text_shadow_blur_strength=”header_5_text_shadow_style,%91object Object%93″ header_5_text_shadow_horizontal_length_tablet=”0px” header_5_text_shadow_vertical_length_tablet=”0px” header_5_text_shadow_blur_strength_tablet=”1px” header_6_text_shadow_horizontal_length=”header_6_text_shadow_style,%91object Object%93″ header_6_text_shadow_vertical_length=”header_6_text_shadow_style,%91object Object%93″ header_6_text_shadow_blur_strength=”header_6_text_shadow_style,%91object Object%93″ header_6_text_shadow_horizontal_length_tablet=”0px” header_6_text_shadow_vertical_length_tablet=”0px” header_6_text_shadow_blur_strength_tablet=”1px” box_shadow_horizontal_tablet=”0px” box_shadow_vertical_tablet=”0px” box_shadow_blur_tablet=”40px” box_shadow_spread_tablet=”0px”]<\/p>\n

In the veiw of turning center, how to calculate the thrust<\/span><\/p>\n

 <\/p>\n

For example, assuming that a thruster with 100 kg of thrust is installed,<\/p>\n

  A : 100kg thrust x 11m leverage = 1100kgm torque to rotate the boat<\/p>\n

  B : 100kg thrust x 10m leverage = 1000kgm torque to rotate the boat<\/p>\n

The boat in position A, you will get 10% more thruster to turn the boat around.<\/p>\n

Therefore, the thrust force of the thruster varies depending on the installation position.<\/p>\n

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header_5_text_shadow_vertical_length=”header_5_text_shadow_style,%91object Object%93″ header_5_text_shadow_blur_strength=”header_5_text_shadow_style,%91object Object%93″ header_5_text_shadow_horizontal_length_tablet=”0px” header_5_text_shadow_vertical_length_tablet=”0px” header_5_text_shadow_blur_strength_tablet=”1px” header_6_text_shadow_horizontal_length=”header_6_text_shadow_style,%91object Object%93″ header_6_text_shadow_vertical_length=”header_6_text_shadow_style,%91object Object%93″ header_6_text_shadow_blur_strength=”header_6_text_shadow_style,%91object Object%93″ header_6_text_shadow_horizontal_length_tablet=”0px” header_6_text_shadow_vertical_length_tablet=”0px” header_6_text_shadow_blur_strength_tablet=”1px” box_shadow_horizontal_tablet=”0px” box_shadow_vertical_tablet=”0px” box_shadow_blur_tablet=”40px” box_shadow_spread_tablet=”0px”]<\/p>\n

Recommended instatalltion depth<\/span><\/p>\n

 <\/p>\n

2 ways to determine an installation depth.<\/p>\n

 <\/p>\n

1.We recommend the thruster depth(WD) lower than tunnel inner diameter 1\/2 from the waterline in general.<\/p>\n

2.It is recommended to install in the 3\/4 or4\/4 depth of tunnel diameter if the conditions of ship allow.<\/p>\n

3.When the Hull is low, the end of the tunnel should be installed inclined as follows.<\/p>\n

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box_shadow_vertical_tablet=”0px” box_shadow_blur_tablet=”40px” box_shadow_spread_tablet=”0px”]<\/p>\n

Tunnel length<\/span><\/p>\n

 <\/p>\n

1) The optimal propulsion needs 2 to 4 times length of the tunnel inner diameter.<\/p>\n

  But it should not exceed 6 times. It more than 6 times, the propulsion will be reduced.<\/p>\n

2) If the tunnel is too long, it increases friction resistance and reduce the propulsion. <\/p>\n

  On the other hand, if the tunnel is too short, it creates cavitation, reduce the propulsion and make noise and vibration.<\/p>\n

[\/et_pb_text][\/et_pb_column][et_pb_column type=”1_2″ _builder_version=”3.0.47″ custom_padding=”|||” hover_enabled=”0″ custom_padding__hover=”|||”][et_pb_image src=”http:\/\/diic.cafe24.com\/eng\/wp-content\/uploads\/sites\/2\/2020\/07\/THS_Install_7.jpg” align=”right” _builder_version=”4.0.11″ animation_style=”bounce” z_index_tablet=”500″ hover_enabled=”0″ box_shadow_horizontal_tablet=”0px” box_shadow_vertical_tablet=”0px” box_shadow_blur_tablet=”40px” box_shadow_spread_tablet=”0px” \/][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=”3.25″ background_size=”initial” background_position=”top_left” background_repeat=”repeat” hover_enabled=”0″][et_pb_column type=”4_4″ _builder_version=”3.0.47″ custom_padding=”|||” hover_enabled=”0″ custom_padding__hover=”|||”][et_pb_divider _builder_version=”4.0.11″ z_index_tablet=”500″ hover_enabled=”0″ box_shadow_horizontal_tablet=”0px” box_shadow_vertical_tablet=”0px” box_shadow_blur_tablet=”40px” box_shadow_spread_tablet=”0px” \/][et_pb_text 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header_5_text_shadow_vertical_length_tablet=”0px” header_5_text_shadow_blur_strength_tablet=”1px” header_6_text_shadow_horizontal_length=”header_6_text_shadow_style,%91object Object%93″ header_6_text_shadow_vertical_length=”header_6_text_shadow_style,%91object Object%93″ header_6_text_shadow_blur_strength=”header_6_text_shadow_style,%91object Object%93″ header_6_text_shadow_horizontal_length_tablet=”0px” header_6_text_shadow_vertical_length_tablet=”0px” header_6_text_shadow_blur_strength_tablet=”1px” box_shadow_horizontal_tablet=”0px” box_shadow_vertical_tablet=”0px” box_shadow_blur_tablet=”40px” box_shadow_spread_tablet=”0px”]<\/p>\n

Tunnel ends<\/span><\/p>\n

 <\/p>\n

1. Rounded tunnel ends will maximize thrust and minimize noise.<\/p>\n

2. We recommend to round the tunnel connection to the hull-side as much as possible. <\/p>\n

  The optimal rounding has a radius of 10% of the tunnels diameter<\/p>\n

3. In case of hardship in rounding like steel, aluminum vessel, the champer is required<\/p>\n

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Installation to reduce resistance<\/span><\/p>\n

 <\/p>\n

It is recommended to modify the shape as shown in the following figures 2 and 3 in order to reduce the decrease in ship speed due to the impact of the water current on the tunnel when sailing.<\/p>\n

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Installation of thruster(Single propeller)<\/span><\/p>\n

 <\/p>\n

The best position of thruster propeller is the center of hull. But if not, you can refer to below<\/p>\n

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\n\t\t\t\t\t
Installation<\/div><\/div> In the veiw of turning center, how to calculate the thrust   For example, assuming that a thruster with 100 kg of thrust is installed,   A : 100kg thrust x 11m leverage = 1100kgm torque to rotate the boat   B : 100kg thrust x 10m leverage = 1000kgm torque to rotate […]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"class_list":["post-5668","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/d-i.co.kr\/eng\/index.php?rest_route=\/wp\/v2\/pages\/5668","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/d-i.co.kr\/eng\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/d-i.co.kr\/eng\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/d-i.co.kr\/eng\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/d-i.co.kr\/eng\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=5668"}],"version-history":[{"count":6,"href":"https:\/\/d-i.co.kr\/eng\/index.php?rest_route=\/wp\/v2\/pages\/5668\/revisions"}],"predecessor-version":[{"id":5717,"href":"https:\/\/d-i.co.kr\/eng\/index.php?rest_route=\/wp\/v2\/pages\/5668\/revisions\/5717"}],"wp:attachment":[{"href":"https:\/\/d-i.co.kr\/eng\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=5668"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}