Receiving Helpdesk

what is heat duty of furnace

by Ernestine Ondricka Published 3 years ago Updated 2 years ago

Duty is usually a term associated with the heat absorbed by the process stream that the furnace is providing heat to. Click to see full answer. Moreover, what does heat duty mean? The Heat duty can be defined as the amount of heat needed to transfer from a hot side to the cold side over a unit of time.

Process heat duty is the heat required to be added or be removed from the process fluids to create the required change in temperature. It can be in the form of sensible heat, latent heat, or latent heat of vaporization.

Full Answer

What does heat duty mean on a furnace?

Duty is usually a term associated with the heat absorbed by the process stream that the furnace is providing heat to. Click to see full answer. Accordingly, what does heat duty mean? The Heat duty can be defined as the amount of heat needed to transfer from a hot side to the cold side over a unit of time.

What type of heat energy is used in a furnace?

The heat energy to fuel a furnace may be supplied directly by fuel combustion, by electricity such as the electric arc furnace, or through induction heating in induction furnaces. Similarly, what type of heat transfer does a furnace use?

What is the meaning of a furnace?

A furnace is a device used to heat and melt metal ore to remove gangue. The name derives from Latin word fornax, which means oven. The heat energy to fuel a furnace may be supplied directly by fuel combustion, by electricity such as the electric arc furnace, or through induction heating in induction furnaces.

Why does my furnace take so long to heat my home?

The closer you get to the furnace’s operating limits when it comes to temperature, the longer your furnace will have to run to maintain that temperature in your home. These external factors can influence the duration of your furnace’s heat cycles even if your furnace is operating at peak efficiency.

How is heat duty calculated on a furnace?

1:147:07How to Calculate Heat Duty - YouTubeYouTubeStart of suggested clipEnd of suggested clipFor the latent heat formula MDOT is the flow rate of the process stream. And lambda is the heat ofMoreFor the latent heat formula MDOT is the flow rate of the process stream. And lambda is the heat of vaporization. Or heat of condensation. For that process stream.

What is heat duty formula?

The heat transfer coefficient is calculated by the equation. U = Q / (A x LMTD) Where Q is the heat duty, A is the heat transfer area of the exchanger and LMTD is tem- perature driving force.

What is heat duty reactor?

In case of specified heat duty, the reactor temperature is calculated from the energy balance; the energy balance is based on the enthalpy that includes formation heats and does not require specification of heats of reaction. The heat duty can be specified directly or via an energy inlet stream.

How is heat duty condenser calculated?

Then you can calculate heat duty by the following equation.For cooling or heating or for no phase change, heat duty is calculated by:- Q=m*Cp*∆T.For condensation with subcooling, heat duty is calculated by :- Q= m*λ + (m*Cp*∆T)For reboiler ,heat duty is calculated by:- Q=(m* λ)*1.05 (considering 5% heat loss)

How is UA calculated?

That is, UA = 954 BTU/hr-F, where U is the conductance of the building and A is the surface area of the building. When the average outside temperature is greater than 56.5 degrees F, the building heating system is not activated....Type of WindowR (ft2-hr-F/BTU)Single-glazedR = 0.96 more rows

What is the duty of a condenser?

A condenser is designed to transfer heat from a working fluid (e.g. water in a steam power plant) to a secondary fluid or the surrounding air. The condenser relies on the efficient heat transfer that occurs during phase changes, in this case during the condensation of a vapor into a liquid.

What is adiabatic reactor?

Adiabatic reactor: Vessel that is well insulated to minimize heat transfer and has an. increase or decrease in temperature from the initial inlet conditions due solely to the. heats of reaction. Batch reactor: Vessel used for chemical reaction that has no feed or effluent streams.

Is reactor a heat exchanger?

Abstract: A heat-exchanger/reactor (HEX reactor) is a kind of plug-flow chemical reactor which combines high heat transfer ability and chemical performance. It is a compact reactor designed under the popular trend of process intensification in chemical engineering.Jul 15, 2019

How does a heat exchanger work for a reactor?

In theory, any heat exchanger becomes a heat exchanger reactor when the reacting fluids are introduced at entry on one side. Heat of reaction will then be added or removed as appropriate by the other fluid, but without any control of the rate of removal, which often depends on the rate of mixing.

What is reboiler and condenser duty?

Heat duty of amine reboilers varies with the system design. The higher the reboiler duty, the higher the overhead condenser duty. This gives a higher reflux ratio and thus a smaller column with fewer trays. The lower the reboiler duty, the lower the reflux ratio will be and thus the tower must have more trays.

What is the difference between sensible and latent heat?

Latent and sensible heat are types of energy released or absorbed in the atmosphere. Latent heat is related to changes in phase between liquids, gases, and solids. Sensible heat is related to changes in temperature of a gas or object with no change in phase.

What is the SHC of water?

4182 J/kg°CThe exact value of the specific heat capacity of water is 4182 J/kg°C.Nov 12, 2021

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z 1 2 3 4 5 6 7 8 9
8.3.21PHP Version2.54sRequest Duration2MBMemory UsageGET {post}Route
  • warninglog[07:09:32] LOG.warning: Creation of dynamic property Barryvdh\Debugbar\DataFormatter\QueryFormatter:...
  • warninglog[07:09:32] LOG.warning: Creation of dynamic property Barryvdh\Debugbar\DataFormatter\QueryFormatter:...
  • warninglog[07:09:32] LOG.warning: Callables of the form ["Swift_SmtpTransport", "Swift_Transport_EsmtpTranspor...
  • warninglog[07:09:32] LOG.warning: Creation of dynamic property Barryvdh\Debugbar\DataFormatter\SimpleFormatter...
  • warninglog[07:09:32] LOG.warning: Creation of dynamic property Barryvdh\Debugbar\DataFormatter\SimpleFormatter...
  • warninglog[07:09:32] LOG.warning: json_decode(): Passing null to parameter #1 ($json) of type string is deprec...
  • warninglog[07:09:32] LOG.warning: json_decode(): Passing null to parameter #1 ($json) of type string is deprec...
  • warninglog[07:09:32] LOG.warning: json_decode(): Passing null to parameter #1 ($json) of type string is deprec...
  • warninglog[07:09:32] LOG.warning: json_decode(): Passing null to parameter #1 ($json) of type string is deprec...
  • warninglog[07:09:32] LOG.warning: json_decode(): Passing null to parameter #1 ($json) of type string is deprec...
  • warninglog[07:09:32] LOG.warning: json_decode(): Passing null to parameter #1 ($json) of type string is deprec...
  • Booting (12.28ms)
  • Application (2.52s)
  • 1 x Application (99.5%)
    2.52s
    1 x Booting (0.48%)
    12.28ms
    7 templates were rendered
    • themes.DevBlog.content.post (resources/views/themes/DevBlog/content/post.blade.php)34blade
      Params
      0
      post
      1
      postContent
      2
      author
      3
      updated_at
      4
      bing_rich_snippet_text
      5
      bing_rich_snippet_link
      6
      bing_related_keywords
      7
      google_related_keywords
      8
      bing_news_title
      9
      bing_news_description
      10
      bing_videos
      11
      bing_images
      12
      bing_search_result_title
      13
      bing_search_result_description
      14
      bing_search_result_url
      15
      bing_paa_questions
      16
      bing_paa_answers
      17
      bing_slider_faq_questions
      18
      bing_slider_faq_answers
      19
      bing_pop_faq_questions
      20
      bing_pop_faq_answers
      21
      bing_tab_faq_questions
      22
      bing_tab_faq_answers
      23
      google_faq_questions
      24
      google_faq_answers
      25
      google_rich_snippet
      26
      google_search_result
      27
      indexedArray
      28
      total_images
      29
      total_videos
      30
      settings
      31
      url_current
      32
      menus
      33
      sidebar
    • themes.DevBlog.layouts.master (resources/views/themes/DevBlog/layouts/master.blade.php)41blade
      Params
      0
      __env
      1
      app
      2
      errors
      3
      post
      4
      postContent
      5
      author
      6
      updated_at
      7
      bing_rich_snippet_text
      8
      bing_rich_snippet_link
      9
      bing_related_keywords
      10
      google_related_keywords
      11
      bing_news_title
      12
      bing_news_description
      13
      bing_videos
      14
      bing_images
      15
      bing_search_result_title
      16
      bing_search_result_description
      17
      bing_search_result_url
      18
      bing_paa_questions
      19
      bing_paa_answers
      20
      bing_slider_faq_questions
      21
      bing_slider_faq_answers
      22
      bing_pop_faq_questions
      23
      bing_pop_faq_answers
      24
      bing_tab_faq_questions
      25
      bing_tab_faq_answers
      26
      google_faq_questions
      27
      google_faq_answers
      28
      google_rich_snippet
      29
      google_search_result
      30
      indexedArray
      31
      total_images
      32
      total_videos
      33
      settings
      34
      url_current
      35
      menus
      36
      sidebar
      37
      i
      38
      __currentLoopData
      39
      loop
      40
      item
    • themes.DevBlog.panels.head (resources/views/themes/DevBlog/panels/head.blade.php)41blade
      Params
      0
      __env
      1
      app
      2
      errors
      3
      post
      4
      postContent
      5
      author
      6
      updated_at
      7
      bing_rich_snippet_text
      8
      bing_rich_snippet_link
      9
      bing_related_keywords
      10
      google_related_keywords
      11
      bing_news_title
      12
      bing_news_description
      13
      bing_videos
      14
      bing_images
      15
      bing_search_result_title
      16
      bing_search_result_description
      17
      bing_search_result_url
      18
      bing_paa_questions
      19
      bing_paa_answers
      20
      bing_slider_faq_questions
      21
      bing_slider_faq_answers
      22
      bing_pop_faq_questions
      23
      bing_pop_faq_answers
      24
      bing_tab_faq_questions
      25
      bing_tab_faq_answers
      26
      google_faq_questions
      27
      google_faq_answers
      28
      google_rich_snippet
      29
      google_search_result
      30
      indexedArray
      31
      total_images
      32
      total_videos
      33
      settings
      34
      url_current
      35
      menus
      36
      sidebar
      37
      i
      38
      __currentLoopData
      39
      loop
      40
      item
    • themes.DevBlog.panels.header (resources/views/themes/DevBlog/panels/header.blade.php)41blade
      Params
      0
      __env
      1
      app
      2
      errors
      3
      post
      4
      postContent
      5
      author
      6
      updated_at
      7
      bing_rich_snippet_text
      8
      bing_rich_snippet_link
      9
      bing_related_keywords
      10
      google_related_keywords
      11
      bing_news_title
      12
      bing_news_description
      13
      bing_videos
      14
      bing_images
      15
      bing_search_result_title
      16
      bing_search_result_description
      17
      bing_search_result_url
      18
      bing_paa_questions
      19
      bing_paa_answers
      20
      bing_slider_faq_questions
      21
      bing_slider_faq_answers
      22
      bing_pop_faq_questions
      23
      bing_pop_faq_answers
      24
      bing_tab_faq_questions
      25
      bing_tab_faq_answers
      26
      google_faq_questions
      27
      google_faq_answers
      28
      google_rich_snippet
      29
      google_search_result
      30
      indexedArray
      31
      total_images
      32
      total_videos
      33
      settings
      34
      url_current
      35
      menus
      36
      sidebar
      37
      i
      38
      __currentLoopData
      39
      loop
      40
      item
    • themes.DevBlog.panels.navbar (resources/views/themes/DevBlog/panels/navbar.blade.php)41blade
      Params
      0
      __env
      1
      app
      2
      errors
      3
      post
      4
      postContent
      5
      author
      6
      updated_at
      7
      bing_rich_snippet_text
      8
      bing_rich_snippet_link
      9
      bing_related_keywords
      10
      google_related_keywords
      11
      bing_news_title
      12
      bing_news_description
      13
      bing_videos
      14
      bing_images
      15
      bing_search_result_title
      16
      bing_search_result_description
      17
      bing_search_result_url
      18
      bing_paa_questions
      19
      bing_paa_answers
      20
      bing_slider_faq_questions
      21
      bing_slider_faq_answers
      22
      bing_pop_faq_questions
      23
      bing_pop_faq_answers
      24
      bing_tab_faq_questions
      25
      bing_tab_faq_answers
      26
      google_faq_questions
      27
      google_faq_answers
      28
      google_rich_snippet
      29
      google_search_result
      30
      indexedArray
      31
      total_images
      32
      total_videos
      33
      settings
      34
      url_current
      35
      menus
      36
      sidebar
      37
      i
      38
      __currentLoopData
      39
      loop
      40
      item
    • themes.DevBlog.panels.footer (resources/views/themes/DevBlog/panels/footer.blade.php)41blade
      Params
      0
      __env
      1
      app
      2
      errors
      3
      post
      4
      postContent
      5
      author
      6
      updated_at
      7
      bing_rich_snippet_text
      8
      bing_rich_snippet_link
      9
      bing_related_keywords
      10
      google_related_keywords
      11
      bing_news_title
      12
      bing_news_description
      13
      bing_videos
      14
      bing_images
      15
      bing_search_result_title
      16
      bing_search_result_description
      17
      bing_search_result_url
      18
      bing_paa_questions
      19
      bing_paa_answers
      20
      bing_slider_faq_questions
      21
      bing_slider_faq_answers
      22
      bing_pop_faq_questions
      23
      bing_pop_faq_answers
      24
      bing_tab_faq_questions
      25
      bing_tab_faq_answers
      26
      google_faq_questions
      27
      google_faq_answers
      28
      google_rich_snippet
      29
      google_search_result
      30
      indexedArray
      31
      total_images
      32
      total_videos
      33
      settings
      34
      url_current
      35
      menus
      36
      sidebar
      37
      i
      38
      __currentLoopData
      39
      loop
      40
      item
    • themes.DevBlog.panels.scripts (resources/views/themes/DevBlog/panels/scripts.blade.php)41blade
      Params
      0
      __env
      1
      app
      2
      errors
      3
      post
      4
      postContent
      5
      author
      6
      updated_at
      7
      bing_rich_snippet_text
      8
      bing_rich_snippet_link
      9
      bing_related_keywords
      10
      google_related_keywords
      11
      bing_news_title
      12
      bing_news_description
      13
      bing_videos
      14
      bing_images
      15
      bing_search_result_title
      16
      bing_search_result_description
      17
      bing_search_result_url
      18
      bing_paa_questions
      19
      bing_paa_answers
      20
      bing_slider_faq_questions
      21
      bing_slider_faq_answers
      22
      bing_pop_faq_questions
      23
      bing_pop_faq_answers
      24
      bing_tab_faq_questions
      25
      bing_tab_faq_answers
      26
      google_faq_questions
      27
      google_faq_answers
      28
      google_rich_snippet
      29
      google_search_result
      30
      indexedArray
      31
      total_images
      32
      total_videos
      33
      settings
      34
      url_current
      35
      menus
      36
      sidebar
      37
      i
      38
      __currentLoopData
      39
      loop
      40
      item
    uri
    GET {post}
    middleware
    web, checkdate
    as
    post.show
    controller
    App\Http\Controllers\Frontend\json_data\PostController@show
    namespace
    where
    file
    app/Http/Controllers/Frontend/json_data/PostController.php:18-166
    7 statements were executed2.5s
    • select * from `posts` where `published_at` <= '2025-06-06 07:09:32' and `slug` = 'what-is-heat-duty-of-furnace' and `posts`.`deleted_at` is null limit 1
      3.1ms/app/Providers/RouteServiceProvider.php:54receivinghelpdeskask
      Metadata
      Bindings
      • 0. 2025-06-06 07:09:32
      • 1. what-is-heat-duty-of-furnace
      Backtrace
      • 15. /app/Providers/RouteServiceProvider.php:54
      • 18. /vendor/laravel/framework/src/Illuminate/Routing/Router.php:842
      • 19. Route binding:39
      • 20. /vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php:167
      • 21. /vendor/laravel/framework/src/Illuminate/Foundation/Http/Middleware/VerifyCsrfToken.php:78
    • select * from `json_post_contents` where `json_post_contents`.`post_id` = 136029 and `json_post_contents`.`post_id` is not null and `rewrite_id` = 0
      15.26msmiddleware::checkdate:30receivinghelpdeskask
      Metadata
      Bindings
      • 0. 136029
      • 1. 0
      Backtrace
      • 19. middleware::checkdate:30
      • 20. /vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php:167
      • 21. /vendor/laravel/jetstream/src/Http/Middleware/ShareInertiaData.php:61
      • 22. /vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php:167
      • 23. /vendor/laravel/framework/src/Illuminate/Routing/Middleware/SubstituteBindings.php:50
    • select * from `nova_menu_menus` where `slug` = 'header' limit 1
      610μs/vendor/outl1ne/nova-menu-builder/src/helpers.php:32receivinghelpdeskask
      Metadata
      Bindings
      • 0. header
      Backtrace
      • 15. /vendor/outl1ne/nova-menu-builder/src/helpers.php:32
      • 17. /vendor/laravel/framework/src/Illuminate/Routing/Controller.php:54
      • 18. /vendor/laravel/framework/src/Illuminate/Routing/ControllerDispatcher.php:45
      • 19. /vendor/laravel/framework/src/Illuminate/Routing/Route.php:261
      • 20. /vendor/laravel/framework/src/Illuminate/Routing/Route.php:205
    • select * from `nova_menu_menu_items` where `nova_menu_menu_items`.`menu_id` = 1 and `nova_menu_menu_items`.`menu_id` is not null and `parent_id` is null order by `parent_id` asc, `order` asc, `name` asc
      440μs/vendor/outl1ne/nova-menu-builder/src/Models/Menu.php:35receivinghelpdeskask
      Metadata
      Bindings
      • 0. 1
      Backtrace
      • 19. /vendor/outl1ne/nova-menu-builder/src/Models/Menu.php:35
      • 20. /vendor/outl1ne/nova-menu-builder/src/helpers.php:33
      • 22. /vendor/laravel/framework/src/Illuminate/Routing/Controller.php:54
      • 23. /vendor/laravel/framework/src/Illuminate/Routing/ControllerDispatcher.php:45
      • 24. /vendor/laravel/framework/src/Illuminate/Routing/Route.php:261
    • select * from `nova_menu_menu_items` where `nova_menu_menu_items`.`parent_id` in (1) order by `order` asc
      340μs/vendor/outl1ne/nova-menu-builder/src/Models/Menu.php:35receivinghelpdeskask
      Metadata
      Backtrace
      • 24. /vendor/outl1ne/nova-menu-builder/src/Models/Menu.php:35
      • 25. /vendor/outl1ne/nova-menu-builder/src/helpers.php:33
      • 27. /vendor/laravel/framework/src/Illuminate/Routing/Controller.php:54
      • 28. /vendor/laravel/framework/src/Illuminate/Routing/ControllerDispatcher.php:45
      • 29. /vendor/laravel/framework/src/Illuminate/Routing/Route.php:261
    • select `id`, `post_title`, `slug` from `posts` where `status` = 'publish' and `posts`.`deleted_at` is null order by RAND() limit 10
      2.48s/app/View/Composers/SidebarView.php:22receivinghelpdeskask
      Metadata
      Bindings
      • 0. publish
      Backtrace
      • 14. /app/View/Composers/SidebarView.php:22
      • 15. /app/View/Composers/SidebarView.php:12
      • 16. /vendor/laravel/framework/src/Illuminate/View/Concerns/ManagesEvents.php:124
      • 17. /vendor/laravel/framework/src/Illuminate/View/Concerns/ManagesEvents.php:162
      • 20. /vendor/laravel/framework/src/Illuminate/View/Concerns/ManagesEvents.php:177
    • select * from `fake_users` where `fake_users`.`id` = 45636 limit 1
      850μsview::2dd102cf0462e89a4d4d8bc77355d767652bf9aa:15receivinghelpdeskask
      Metadata
      Bindings
      • 0. 45636
      Backtrace
      • 21. view::2dd102cf0462e89a4d4d8bc77355d767652bf9aa:15
      • 23. /vendor/laravel/framework/src/Illuminate/Filesystem/Filesystem.php:108
      • 24. /vendor/laravel/framework/src/Illuminate/View/Engines/PhpEngine.php:58
      • 25. /vendor/livewire/livewire/src/ComponentConcerns/RendersLivewireComponents.php:69
      • 26. /vendor/laravel/framework/src/Illuminate/View/Engines/CompilerEngine.php:61
    App\Models\FakeUser
    1
    Outl1ne\MenuBuilder\Models\MenuItem
    1
    Outl1ne\MenuBuilder\Models\Menu
    1
    App\Models\JsonPostContent
    1
    App\Models\Post
    11
        _token
        ZbVpQ5b717cbOxgoa9FWlw7EaymhFSgHj4Xz0YQt
        _previous
        array:1 [ "url" => "https://receivinghelpdesk.com/ask/what-is-heat-duty-of-furnace" ]
        _flash
        array:2 [ "old" => [] "new" => [] ]
        PHPDEBUGBAR_STACK_DATA
        []
        path_info
        /what-is-heat-duty-of-furnace
        status_code
        200
        
        status_text
        OK
        format
        html
        content_type
        text/html; charset=UTF-8
        request_query
        []
        
        request_request
        []
        
        request_headers
        0 of 0
        array:25 [ "cookie" => array:1 [ 0 => "_pk_id.64.7c30=ba8c593aaf299071.1749173952.; _pk_ses.64.7c30=1; XSRF-TOKEN=eyJpdiI6IkRPSWlPS2p3aElJdDg1emZCUDNQSkE9PSIsInZhbHVlIjoicWVFVkMzRllndXo0cGhJSENDbVpodU51eE5zQ1plSlYvUk5TRzVkYnk5UFdTZlRjZFowYXZGaGhUZXpKSjE5bGlmK2wyOXgxY01LUHFENGFlT1NIT3ArM29BcUlWNUliaHN6V1R4R1Jna0M1VnZrNDhPQzkzdHVraUtKdDFWVngiLCJtYWMiOiJjM2MwNTZiNDIzMGY2ZmNjOGEyNTdhMWY4YWY5Zjc3NjQ0NzkxOTgyOWMxNjRkNWZiYzdmYTMxYmIwNWFkYjMzIiwidGFnIjoiIn0%3D; askhelpdesk_session=eyJpdiI6Imo1MXZTdGZjTi9VbTlsZjYzLzVpR3c9PSIsInZhbHVlIjoiRDhxV1J4N0ZCRW16bHRoWVF2MWpnenhwcTNBdEhLZlF4VEZzVFRwOXFMTWRmUTNDMHV2SldlV3lGM0hRaTJLVXBoRlprbzN1VlpqWGR3K3FvNEhsalpMQWt0alFoU2xuWWdOQWRlR3Mzb0YwMGdidWNsVldDT2hNeExNSGVuV2ciLCJtYWMiOiJkZDU2M2NiNjU0MDMxNDk0ZGRmNmVhMWJjM2JjN2VmMjAwNWUwZmYwNjliNDE4ZjYyOTc0MmJlMjA5ZmYyNWQ1IiwidGFnIjoiIn0%3D_pk_id.64.7c30=ba8c593aaf299071.1749173952.; _pk_ses.64.7c30=1; XSRF-TOKEN=eyJpdiI6IkRPSWlPS2p3aElJdDg1emZCUDNQSkE9PSIsInZhbHVlIjoicWVFVkMzRllndXo0cGhJSENDbVpod" ] "cf-ipcountry" => array:1 [ 0 => "US" ] "cf-connecting-ip" => array:1 [ 0 => "216.73.216.64" ] "cdn-loop" => array:1 [ 0 => "cloudflare; loops=1" ] "sec-fetch-mode" => array:1 [ 0 => "navigate" ] "sec-fetch-site" => array:1 [ 0 => "none" ] "accept" => array:1 [ 0 => "text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7" ] "user-agent" => array:1 [ 0 => "Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)" ] "upgrade-insecure-requests" => array:1 [ 0 => "1" ] "sec-ch-ua-platform" => array:1 [ 0 => ""Windows"" ] "sec-ch-ua-mobile" => array:1 [ 0 => "?0" ] "sec-ch-ua" => array:1 [ 0 => ""Chromium";v="130", "HeadlessChrome";v="130", "Not?A_Brand";v="99"" ] "cache-control" => array:1 [ 0 => "no-cache" ] "pragma" => array:1 [ 0 => "no-cache" ] "accept-encoding" => array:1 [ 0 => "gzip, br" ] "cf-ray" => array:1 [ 0 => "94b43252bf43e826-ORD" ] "priority" => array:1 [ 0 => "u=0, i" ] "sec-fetch-dest" => array:1 [ 0 => "document" ] "sec-fetch-user" => array:1 [ 0 => "?1" ] "cf-visitor" => array:1 [ 0 => "{"scheme":"https"}" ] "connection" => array:1 [ 0 => "close" ] "x-forwarded-proto" => array:1 [ 0 => "https" ] "x-forwarded-for" => array:1 [ 0 => "216.73.216.64, 172.71.254.24" ] "x-server-addr" => array:1 [ 0 => "154.12.239.204" ] "host" => array:1 [ 0 => "receivinghelpdesk.com" ] ]
        request_server
        0 of 0
        array:56 [ "USER" => "runcloud" "HOME" => "/home/runcloud" "SCRIPT_NAME" => "/ask/index.php" "REQUEST_URI" => "/ask/what-is-heat-duty-of-furnace" "QUERY_STRING" => "" "REQUEST_METHOD" => "GET" "SERVER_PROTOCOL" => "HTTP/1.0" "GATEWAY_INTERFACE" => "CGI/1.1" "REDIRECT_URL" => "/ask/what-is-heat-duty-of-furnace" "REMOTE_PORT" => "40900" "SCRIPT_FILENAME" => "/home/runcloud/webapps/ReceivingHelpDesk/ask/index.php" "SERVER_ADMIN" => "you@example.com" "CONTEXT_DOCUMENT_ROOT" => "/home/runcloud/webapps/ReceivingHelpDesk/" "CONTEXT_PREFIX" => "" "REQUEST_SCHEME" => "http" "DOCUMENT_ROOT" => "/home/runcloud/webapps/ReceivingHelpDesk/" "REMOTE_ADDR" => "172.71.254.24" "SERVER_PORT" => "80" "SERVER_ADDR" => "127.0.0.1" "SERVER_NAME" => "receivinghelpdesk.com" "SERVER_SOFTWARE" => "Apache/2.4.63 (Unix) OpenSSL/1.1.1f" "SERVER_SIGNATURE" => "" "LD_LIBRARY_PATH" => "/RunCloud/Packages/apache2-rc/lib" "PATH" => "/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin" "HTTP_COOKIE" => "_pk_id.64.7c30=ba8c593aaf299071.1749173952.; _pk_ses.64.7c30=1; XSRF-TOKEN=eyJpdiI6IkRPSWlPS2p3aElJdDg1emZCUDNQSkE9PSIsInZhbHVlIjoicWVFVkMzRllndXo0cGhJSENDbVpodU51eE5zQ1plSlYvUk5TRzVkYnk5UFdTZlRjZFowYXZGaGhUZXpKSjE5bGlmK2wyOXgxY01LUHFENGFlT1NIT3ArM29BcUlWNUliaHN6V1R4R1Jna0M1VnZrNDhPQzkzdHVraUtKdDFWVngiLCJtYWMiOiJjM2MwNTZiNDIzMGY2ZmNjOGEyNTdhMWY4YWY5Zjc3NjQ0NzkxOTgyOWMxNjRkNWZiYzdmYTMxYmIwNWFkYjMzIiwidGFnIjoiIn0%3D; askhelpdesk_session=eyJpdiI6Imo1MXZTdGZjTi9VbTlsZjYzLzVpR3c9PSIsInZhbHVlIjoiRDhxV1J4N0ZCRW16bHRoWVF2MWpnenhwcTNBdEhLZlF4VEZzVFRwOXFMTWRmUTNDMHV2SldlV3lGM0hRaTJLVXBoRlprbzN1VlpqWGR3K3FvNEhsalpMQWt0alFoU2xuWWdOQWRlR3Mzb0YwMGdidWNsVldDT2hNeExNSGVuV2ciLCJtYWMiOiJkZDU2M2NiNjU0MDMxNDk0ZGRmNmVhMWJjM2JjN2VmMjAwNWUwZmYwNjliNDE4ZjYyOTc0MmJlMjA5ZmYyNWQ1IiwidGFnIjoiIn0%3D_pk_id.64.7c30=ba8c593aaf299071.1749173952.; _pk_ses.64.7c30=1; XSRF-TOKEN=eyJpdiI6IkRPSWlPS2p3aElJdDg1emZCUDNQSkE9PSIsInZhbHVlIjoicWVFVkMzRllndXo0cGhJSENDbVpod" "HTTP_CF_IPCOUNTRY" => "US" "HTTP_CF_CONNECTING_IP" => "216.73.216.64" "HTTP_CDN_LOOP" => "cloudflare; loops=1" "HTTP_SEC_FETCH_MODE" => "navigate" "HTTP_SEC_FETCH_SITE" => "none" "HTTP_ACCEPT" => "text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7" "HTTP_USER_AGENT" => "Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)" "HTTP_UPGRADE_INSECURE_REQUESTS" => "1" "HTTP_SEC_CH_UA_PLATFORM" => ""Windows"" "HTTP_SEC_CH_UA_MOBILE" => "?0" "HTTP_SEC_CH_UA" => ""Chromium";v="130", "HeadlessChrome";v="130", "Not?A_Brand";v="99"" "HTTP_CACHE_CONTROL" => "no-cache" "HTTP_PRAGMA" => "no-cache" "HTTP_ACCEPT_ENCODING" => "gzip, br" "HTTP_CF_RAY" => "94b43252bf43e826-ORD" "HTTP_PRIORITY" => "u=0, i" "HTTP_SEC_FETCH_DEST" => "document" "HTTP_SEC_FETCH_USER" => "?1" "HTTP_CF_VISITOR" => "{"scheme":"https"}" "HTTP_CONNECTION" => "close" "HTTP_X_FORWARDED_PROTO" => "https" "HTTP_X_FORWARDED_FOR" => "216.73.216.64, 172.71.254.24" "HTTP_X_SERVER_ADDR" => "154.12.239.204" "HTTP_HOST" => "receivinghelpdesk.com" "HTTPS" => "on" "REDIRECT_STATUS" => "200" "REDIRECT_HTTPS" => "on" "FCGI_ROLE" => "RESPONDER" "PHP_SELF" => "/ask/index.php" "REQUEST_TIME_FLOAT" => 1749173972.9393 "REQUEST_TIME" => 1749173972 ]
        request_cookies
        0 of 0
        array:4 [ "_pk_id_64_7c30" => null "_pk_ses_64_7c30" => null "XSRF-TOKEN" => "ZbVpQ5b717cbOxgoa9FWlw7EaymhFSgHj4Xz0YQt" "askhelpdesk_session" => "w0PKS1GTeKP93vObgv3ATsDWZQ66JTTr1uPih8Bg" ]
        response_headers
        0 of 0
        array:7 [ "content-type" => array:1 [ 0 => "text/html; charset=UTF-8" ] "cache-control" => array:1 [ 0 => "private, must-revalidate" ] "date" => array:1 [ 0 => "Fri, 06 Jun 2025 01:39:32 GMT" ] "pragma" => array:1 [ 0 => "no-cache" ] "expires" => array:1 [ 0 => -1 ] "set-cookie" => array:2 [ 0 => "XSRF-TOKEN=eyJpdiI6IjJoQjN6R1hSVXR4RlRWSXErcDBQY0E9PSIsInZhbHVlIjoiUkoxY3I0a3A3KzFHUUJ1R0lPdEdzSUlYVDRqUXIrcUM1VURmQVN2TjlRSGM4VnlZak1ubW5hOWFVT1JjZlhMaHZpTURMcExrZDNDSXJBWjNHRjhxOFNxb1VXR2dpUURPNTRkOExSdjladXRrOXRuQnVRN1ZLYVhQT2RieHBhbVQiLCJtYWMiOiI1ODI4ZjE4ODRhZDI4NGE3ZTAxZGVjYTU2OWE1OWQ1MGMxY2UwOWJmZTJkM2U0NDgyNmMzOWVkZTY3ZGQwMjE2IiwidGFnIjoiIn0%3D; expires=Fri, 06-Jun-2025 03:39:35 GMT; Max-Age=7200; path=/; samesite=laxXSRF-TOKEN=eyJpdiI6IjJoQjN6R1hSVXR4RlRWSXErcDBQY0E9PSIsInZhbHVlIjoiUkoxY3I0a3A3KzFHUUJ1R0lPdEdzSUlYVDRqUXIrcUM1VURmQVN2TjlRSGM4VnlZak1ubW5hOWFVT1JjZlhMaHZpTURMc" 1 => "askhelpdesk_session=eyJpdiI6IktlSWNiSmVUS2JBY3NsSS9hYUxrZHc9PSIsInZhbHVlIjoiY2hHTDlaRVlSdTZhTnFNQ0paNlQ3c1hwK0lqN0ZGYUFZSWV1cXY5dDhnOWNtb01QWEo3Z2wrUmtwZFhTdlNSSk9VaXdLNFc3ZDlwcURKYXRVdk1KakNDTDdOWGQvVEE5a2xiclB3bW1TejZPM1NPTEk1bVRBdE8xbWRzb25uVmQiLCJtYWMiOiJlNTU3ZDYxZWYwYzI4MTFkMmExMTUzNTk0OWJkODE5NTkxOTQxMjZjZGNmZTBhOTQ4ZDFjOTZiZTU5ZWRmNzZhIiwidGFnIjoiIn0%3D; expires=Fri, 06-Jun-2025 03:39:35 GMT; Max-Age=7200; path=/; httponly; samesite=laxaskhelpdesk_session=eyJpdiI6IktlSWNiSmVUS2JBY3NsSS9hYUxrZHc9PSIsInZhbHVlIjoiY2hHTDlaRVlSdTZhTnFNQ0paNlQ3c1hwK0lqN0ZGYUFZSWV1cXY5dDhnOWNtb01QWEo3Z2wrUmtwZFhTdlNS" ] "Set-Cookie" => array:2 [ 0 => "XSRF-TOKEN=eyJpdiI6IjJoQjN6R1hSVXR4RlRWSXErcDBQY0E9PSIsInZhbHVlIjoiUkoxY3I0a3A3KzFHUUJ1R0lPdEdzSUlYVDRqUXIrcUM1VURmQVN2TjlRSGM4VnlZak1ubW5hOWFVT1JjZlhMaHZpTURMcExrZDNDSXJBWjNHRjhxOFNxb1VXR2dpUURPNTRkOExSdjladXRrOXRuQnVRN1ZLYVhQT2RieHBhbVQiLCJtYWMiOiI1ODI4ZjE4ODRhZDI4NGE3ZTAxZGVjYTU2OWE1OWQ1MGMxY2UwOWJmZTJkM2U0NDgyNmMzOWVkZTY3ZGQwMjE2IiwidGFnIjoiIn0%3D; expires=Fri, 06-Jun-2025 03:39:35 GMT; path=/XSRF-TOKEN=eyJpdiI6IjJoQjN6R1hSVXR4RlRWSXErcDBQY0E9PSIsInZhbHVlIjoiUkoxY3I0a3A3KzFHUUJ1R0lPdEdzSUlYVDRqUXIrcUM1VURmQVN2TjlRSGM4VnlZak1ubW5hOWFVT1JjZlhMaHZpTURMc" 1 => "askhelpdesk_session=eyJpdiI6IktlSWNiSmVUS2JBY3NsSS9hYUxrZHc9PSIsInZhbHVlIjoiY2hHTDlaRVlSdTZhTnFNQ0paNlQ3c1hwK0lqN0ZGYUFZSWV1cXY5dDhnOWNtb01QWEo3Z2wrUmtwZFhTdlNSSk9VaXdLNFc3ZDlwcURKYXRVdk1KakNDTDdOWGQvVEE5a2xiclB3bW1TejZPM1NPTEk1bVRBdE8xbWRzb25uVmQiLCJtYWMiOiJlNTU3ZDYxZWYwYzI4MTFkMmExMTUzNTk0OWJkODE5NTkxOTQxMjZjZGNmZTBhOTQ4ZDFjOTZiZTU5ZWRmNzZhIiwidGFnIjoiIn0%3D; expires=Fri, 06-Jun-2025 03:39:35 GMT; path=/; httponlyaskhelpdesk_session=eyJpdiI6IktlSWNiSmVUS2JBY3NsSS9hYUxrZHc9PSIsInZhbHVlIjoiY2hHTDlaRVlSdTZhTnFNQ0paNlQ3c1hwK0lqN0ZGYUFZSWV1cXY5dDhnOWNtb01QWEo3Z2wrUmtwZFhTdlNS" ] ]
        session_attributes
        0 of 0
        array:4 [ "_token" => "ZbVpQ5b717cbOxgoa9FWlw7EaymhFSgHj4Xz0YQt" "_previous" => array:1 [ "url" => "https://receivinghelpdesk.com/ask/what-is-heat-duty-of-furnace" ] "_flash" => array:2 [ "old" => [] "new" => [] ] "PHPDEBUGBAR_STACK_DATA" => [] ]